125-736: The Bible and Its Influence is a textbook first published in 2005 to facilitate teaching about the Bible in American public high schools . Its publishers, the Bible Literacy Project, say the textbook allows schools to study the Bible academically while fully respecting the Establishment Clause of the First Amendment . It is designed for teaching either a semester course or a full-year course on
250-461: A Creative Commons BY-NC-SA license. CK-12 FlexBooks are free to use online and offer formats suitable for use on portable personal reading devices and computers – both online and offline. Formats for both iPad and Kindle are offered. School districts may select a title as is or customize the open textbook to meet local instructional standards. The file may be then accessed electronically or printed using any print on demand service without paying
375-464: A July 31, 2006, review. Co-author Chuck P. Stetson, Jr. [ Wikidata ] is a Christian Evangelical educational political activist. Stetson serves as chairman of the "Bible Literacy Project", an organization which strives to introduce Christian beliefs into the American public school system. Stetson was also one of the founding members of the National Organization for Marriage ,
500-647: A Latin translation from the Hebrew Old Testament and the Greek New Testament . Gutenberg's invention made mass production of texts possible for the first time. Although the Gutenberg Bible itself was expensive, printed books began to spread widely over European trade routes during the next 50 years, and by the 16th century, printed books had become more widely accessible and less costly. While many textbooks were already in use, compulsory education and
625-486: A Platonist or Pythagorean, in that such a one would have "the viewpoint of logical simplicity as an indispensable and effective tool of his research." British philosopher Alfred N. Whitehead is often misquoted of uttering the famous saying of "All of Western philosophy is a footnote to Plato." Many recent philosophers have also diverged from what some would describe as ideals characteristic of traditional Platonism. Friedrich Nietzsche notoriously attacked Plato's "idea of
750-488: A belief in the immortality of the soul, and several dialogues end with long speeches imagining the afterlife . In the Timaeus , Socrates locates the parts of the soul within the human body: Reason is located in the head, spirit in the top third of the torso , and the appetite in the middle third of the torso, down to the navel . Furthermore, Plato evinces a belief in the theory of reincarnation in multiple dialogues (such as
875-564: A degree program and tuition and fees are lower, the average estimated cost of books and supplies per first-time, full-time student was $ 886 in academic year 2003–2004, representing almost three-quarters of the cost of tuition and fees. According to the 2nd edition of a study by the United States Public Interest Research Group (US PIRG) published in February 2005 : "Textbook prices are increasing at more than four times
1000-400: A descendant of two kings, Codrus and Melanthus . His mother was Perictione , descendant of Solon , a statesman credited with laying the foundations of Athenian democracy . Plato had two brothers, Glaucon and Adeimantus , a sister, Potone , and a half brother, Antiphon. Plato may have travelled to Italy, Sicily , Egypt, and Cyrene . At 40, he founded a school of philosophy,
1125-489: A different doctrine with respect to Forms to Plato and Socrates. Aristotle suggests that Socrates' idea of forms can be discovered through investigation of the natural world, unlike Plato's Forms that exist beyond and outside the ordinary range of human understanding. The Socratic problem concerns how to reconcile these various accounts. The precise relationship between Plato and Socrates remains an area of contention among scholars. Although Socrates influenced Plato directly,
1250-452: A faculty order for the book at the end of the term and the edition is still current, they may offer students the wholesale price of the book, which could range from 5 to 35 percent of the new retail price, according to the GAO report. When students resell their textbooks during campus "buyback" periods, these textbooks are often sold into the national used textbook distribution chain. If a textbook
1375-483: A fellow disciple of Plato. A variety of sources have given accounts of Plato's death. One story, based on a mutilated manuscript, suggests Plato died in his bed, whilst a young Thracian girl played the flute to him. Another tradition suggests Plato died at a wedding feast. The account is based on Diogenes Laërtius's reference to an account by Hermippus, a third-century Alexandrian. According to Tertullian , Plato simply died in his sleep. According to Philodemus, Plato
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#17328941377111500-558: A few people were capable or interested in following a reasoned philosophical discourse, but men in general are attracted by stories and tales. Consequently, then, he used the myth to convey the conclusions of the philosophical reasoning. Notable examples include the story of Atlantis , the Myth of Er , and the Allegory of the Cave . When considering the taxonomic definition of mankind , Plato proposed
1625-715: A group dedicated to blocking the legalization of same-sex marriage in the US. Stetson was also long affiliated with Charles Colson . Textbook A textbook is a book containing a comprehensive compilation of content in a branch of study with the intention of explaining it. Textbooks are produced to meet the needs of educators, usually at educational institutions. Schoolbooks are textbooks and other books used in schools. Today, many textbooks are published in both print and digital formats. The history of textbooks dates back to ancient civilizations. For example, Ancient Greeks wrote educational texts. The modern textbook has its roots in
1750-408: A kiosk and ordering books online with a third party facilitator or renting directly from the store's inventory. Some stores use a hybrid of both methods, opting for in-store selections of the most popular books and the online option for more obscure titles or books they consider too risky to put in the rental system. Rented items can be used for a set duration of time, then are required to be returned to
1875-467: A large scale by ordering textbooks for entire courses at lower prices from international distribution channels. While the 1998 Supreme Court decision Quality King v. L'anza protects the reimportation of copyrighted materials under the first-sale doctrine , textbook publishers have still attempted to prevent the U.S. sale of international editions by enforcing contracts which forbid foreign wholesalers from selling to American distributors. Concerned about
2000-417: A loophole through this definition in state bills. Given that the problem of high textbook prices is linked to the "broken" economics of the market, requiring publishers to disclose textbook prices to faculty is a solution pursued by a number of legislatures. By inserting price into sales interactions, this regulation will supposedly make the economic forces operate more normally. No data suggests that this
2125-515: A loss of sales for U.S. retailers. Additionally, the availability of lower-priced textbooks through these channels has heightened distrust and frustration among students regarding textbook prices, and college stores find it difficult to explain why their textbook prices are higher, according to the National Association of College Stores. Retailers and publishers have also been concerned that some U.S. retailers may have engaged in reimportation on
2250-474: A new edition costs 12% more than a new copy of the previous edition (not surprising if the old version is obsolete), and 58% more than a used copy of the previous edition. Textbook publishers maintain these new editions are driven by demand from teachers. That study found that 76% of teachers said new editions were justified "half of the time or less" and 40% said they were justified "rarely" or "never". The PIRG study has been criticized by publishers, who argue that
2375-629: A number of textbooks already exist, and are being used at schools such as MIT and Harvard. A 2010 study published found that open textbooks offer a viable and attractive means to meet faculty and student needs while offering savings of approximately 80% compared to traditional textbook options. Although the largest question seems to be who is going to pay to write them, several state policies suggest that public investment in open textbooks might make sense. To offer another perspective , any jurisdiction might find itself challenged to find sufficient numbers of credible academics who would be willing to undertake
2500-472: A participant in any of the dialogues, and with the exception of the Apology , there is no suggestion that he heard any of the dialogues firsthand. Some dialogues have no narrator but have a pure "dramatic" form, some dialogues are narrated by Socrates himself, who speaks in the first person. The Symposium is narrated by Apollodorus, a Socratic disciple, apparently to Glaucon. Apollodorus assures his listener that he
2625-399: A price quote or offer. These online book buyers often offer "free shipping" (which in actuality is built into the offer for the book), and allow students to sell multiple books to the same source. Because online book buyers are buying books for resale, the prices they offer may be lower than students can get on online marketplaces. However, their prices are competitive, and they tend to focus on
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#17328941377112750-628: A royalty, saving 80% or more when compared to traditional textbook options. An example print on demand open textbook title, "College Algebra" by Stitz & Zeager through Lulu is 608 pages, royalty free, and costs about $ 20 ordered one at a time (March 2011). (Any print on demand service could be used – this is just an example. School districts could easily negotiate even lower prices for bulk purchases to be printed in their own communities.) Teacher's editions are available for educators and parents. Titles have been authored by various individuals and organizations and are vetted for quality prior to inclusion in
2875-409: A selection of books that have been approved by the state Department of Education. Teachers receive the books to give to the students for each subject. Teachers are usually not required to use textbooks, however, and many prefer to use other materials instead. Plato Plato ( / ˈ p l eɪ t oʊ / PLAY -toe ; Greek : Πλάτων, Plátōn , born c. 428-423 BC, died 348 BC),
3000-442: A small commission only after the sale is completed. According to textbook author Henry L. Roediger (and Wadsworth Publishing Company senior editor Vicki Knight), the used textbook market is illegitimate, and entirely to blame for the rising costs of textbooks. As methods of "dealing with this problem", he recommends making previous editions of textbooks obsolete, binding the textbook with other materials, and passing laws to prevent
3125-496: A strong accompanying textbook on the model of The Bible and Its Influence , but one that is willing to deal a bit more bluntly with the historical warts." In May 2007, The Bible and Its Influence was also featured in Education Week and on NBC 's Today show . The New York State School Boards Association 's On Board magazine also had favorable coverage of The Bible and Its Influence , calling it "a remarkable textbook" in
3250-427: A student receives. If a professor chooses to use the same book the following semester, even if it is a custom text, designed specifically for an individual instructor, bookstores often buy the book back. The GAO report found that, generally, if a book is in good condition and will be used on the campus again the next term, bookstores will pay students 50 percent of the original price paid. If the bookstore has not received
3375-461: A textbook. Supplemental items range from CD-ROMs and workbooks to online passcodes and bonus material. Students often cannot buy these things separately, and often the one-time-use supplements destroy the resale value of the textbook. According to the Student PIRGs, the typical bundled textbook costs 10%–50% more than an unbundled textbook, and 65% of professors said they "rarely" or "never" use
3500-419: A tripartite class structure corresponding to the appetite/spirit/reason structure of the individual soul. The appetite/spirit/reason are analogous to the castes of society. According to Socrates, a state made up of different kinds of souls will, overall, decline from an aristocracy (rule by the best) to a timocracy (rule by the honourable), then to an oligarchy (rule by the few), then to a democracy (rule by
3625-500: Is Houghton Mifflin Harcourt . The market for textbooks does not reflect classic supply and demand because of agency problems . Some students save money by buying used copies of textbooks, which tend to be less expensive, and are available from many college bookstores in the US, who buy them back from students at the end of a term. Books that are not being re-used at the school are often purchased by an off-campus wholesaler for 0–30% of
3750-493: Is a central figure in the history of Western philosophy . Plato's entire body of work is believed to have survived intact for over 2,400 years—unlike that of nearly all of his contemporaries. Although their popularity has fluctuated, they have consistently been read and studied through the ages. Through Neoplatonism , he also greatly influenced both Christian and Islamic philosophy . In modern times, Alfred North Whitehead famously said: "the safest general characterization of
3875-800: Is already implicitly known, or at exposing the contradictions and muddles of an opponent's position." Karl Popper , on the other hand, claims that dialectic is the art of intuition for "visualising the divine originals, the Forms or Ideas, of unveiling the Great Mystery behind the common man's everyday world of appearances". During the early Renaissance, the Greek language and, along with it, Plato's texts were reintroduced to Western Europe by Byzantine scholars. Some 250 known manuscripts of Plato survive. In September or October 1484 Filippo Valori and Francesco Berlinghieri printed 1025 copies of Ficino's translation, using
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4000-477: Is also referenced by Jewish philosopher and Talmudic scholar Maimonides in his The Guide for the Perplexed . The works of Plato were again revived at the times of Islamic Golden ages with other Greek contents through their translation from Greek to Arabic. Neoplatonism was revived from its founding father, Plotinus. Neoplatonism, a philosophical current that permeated Islamic scholarship, accentuated one facet of
4125-502: Is by no means universally accepted, though Plato's works are still often characterized as falling at least roughly into three groups stylistically. Plato's unwritten doctrines are, according to some ancient sources, the most fundamental metaphysical teaching of Plato, which he disclosed only orally, and some say only to his most trusted fellows, and which he may have kept secret from the public, although many modern scholars doubt these claims. A reason for not revealing it to everyone
4250-473: Is in fact true. However, The Student PIRGs have found that publishers actively withhold pricing information from faculty, making it difficult to obtain. Their most recent study found that 77% of faculty say publisher sales representatives do not volunteer prices, and only 40% got an answer when they directly asked. Furthermore, the study found that 23% of faculty rated publisher websites as "informative and easy to use" and less than half said they typically listed
4375-412: Is not going to be used on campus for the next semester of courses then many times the college bookstore will sell that book to a national used book company. The used book company then resells the book to another college bookstore. Finally, that book is sold as used to a student at another college at a price that is typically 75% of the new book price. At each step, a markup is applied to the book to enable
4500-497: Is partially discussed in Phaedrus where Plato criticizes the written transmission of knowledge as faulty, favouring instead the spoken logos : "he who has knowledge of the just and the good and beautiful ... will not, when in earnest, write them in ink, sowing them through a pen with words, which cannot defend themselves by argument and cannot teach the truth effectually." It is, however, said that Plato once disclosed this knowledge to
4625-412: Is recounting the story, which took place when he himself was an infant, not from his own memory, but as remembered by Aristodemus, who told him the story years ago. The Theaetetus is also a peculiar case: a dialogue in dramatic form embedded within another dialogue in dramatic form. Some scholars take this as an indication that Plato had by this date wearied of the narrated form. In most of the dialogues,
4750-477: Is virtue. In the Republic , Plato poses the question, "What is justice?" and by examining both individual justice and the justice that informs societies, Plato is able not only to inform metaphysics, but also ethics and politics with the question: "What is the basis of moral and social obligation?" Plato's well-known answer rests upon the fundamental responsibility to seek wisdom, wisdom which leads to an understanding of
4875-525: The Gorgias and his ambivalence toward rhetoric expressed in the Phaedrus . But other contemporary researchers contest the idea that Plato despised rhetoric and instead view his dialogues as a dramatization of complex rhetorical principles. Plato made abundant use of mythological narratives in his own work; It is generally agreed that the main purpose for Plato in using myths was didactic. He considered that only
5000-529: The Laws features Socrates, although many dialogues, including the Timaeus and Statesman , feature him speaking only rarely. Leo Strauss notes that Socrates' reputation for irony casts doubt on whether Plato's Socrates is expressing sincere beliefs. Xenophon 's Memorabilia and Aristophanes 's The Clouds seem to present a somewhat different portrait of Socrates from the one Plato paints. Aristotle attributes
5125-645: The Academy . It was located in Athens, on a plot of land in the Grove of Hecademus or Academus , named after an Attic hero in Greek mythology . The Academy operated until it was destroyed by Sulla in 84 BC. Many philosophers studied at the Academy, the most prominent being Aristotle. According to Diogenes Laërtius , throughout his later life, Plato became entangled with the politics of
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5250-527: The Meno , Socrates uses a geometrical example to expound Plato's view that knowledge in this latter sense is acquired by recollection. Socrates elicits a fact concerning a geometrical construction from a slave boy, who could not have otherwise known the fact (due to the slave boy's lack of education). The knowledge must be of, Socrates concludes, an eternal, non-perceptible Form. Plato also discusses several aspects of epistemology . In several dialogues, Socrates inverts
5375-448: The Phaedo and Timaeus ). Scholars debate whether he intends the theory to be literally true, however. He uses this idea of reincarnation to introduce the concept that knowledge is a matter of recollection of things acquainted with before one is born, and not of observation or study. Keeping with the theme of admitting his own ignorance, Socrates regularly complains of his forgetfulness. In
5500-649: The Renaissance , George Gemistos Plethon brought Plato's original writings to Florence from Constantinople in the century of its fall. Many of the greatest early modern scientists and artists who broke with Scholasticism , with the support of the Plato-inspired Lorenzo (grandson of Cosimo), saw Plato's philosophy as the basis for progress in the arts and sciences. The 17th century Cambridge Platonists , sought to reconcile Plato's more problematic beliefs, such as metempsychosis and polyamory, with Christianity. By
5625-735: The Scholastic philosophers referred to Aristotle as "the Philosopher". The only Platonic work known to western scholarship was Timaeus , until translations were made after the fall of Constantinople , which occurred during 1453. However, the study of Plato continued in the Byzantine Empire , the Caliphates during the Islamic Golden Age , and Spain during the Golden age of Jewish culture . Plato
5750-610: The justified true belief definition in the Theaetetus , concluding that justification (or an "account") would require knowledge of difference , meaning that the definition of knowledge is circular . In the Sophist , Statesman , Republic , Timaeus , and the Parmenides , Plato associates knowledge with the apprehension of unchanging Forms and their relationships to one another (which he calls "expertise" in dialectic), including through
5875-457: The metaphysical tradition that strongly influenced Plato and continues today. Heraclitus viewed all things as continuously changing , that one cannot "step into the same river twice" due to the ever-changing waters flowing through it, and all things exist as a contraposition of opposites. According to Diogenes Laërtius, Plato received these ideas through Heraclitus' disciple Cratylus . Parmenides adopted an altogether contrary vision, arguing for
6000-435: The "twin pillars of Platonism" as the theory of Forms, on the one hand, and, on the other hand, the doctrine of immortality of the soul. In the dialogues Socrates regularly asks for the meaning of a general term (e. g. justice, truth, beauty), and criticizes those who instead give him particular examples, rather than the quality shared by all examples. "Platonism" and its theory of Forms (also known as 'theory of Ideas') denies
6125-464: The 19th century, Plato's reputation was restored, and at least on par with Aristotle's. Plato's influence has been especially strong in mathematics and the sciences. Plato's resurgence further inspired some of the greatest advances in logic since Aristotle, primarily through Gottlob Frege . Albert Einstein suggested that the scientist who takes philosophy seriously would have to avoid systematization and take on many different roles, and possibly appear as
6250-571: The 1st century AD: Axiochus , Definitions , Demodocus , Epigrams , Eryxias , Halcyon , On Justice , On Virtue , Sisyphus . No one knows the exact order Plato's dialogues were written in, nor the extent to which some might have been later revised and rewritten. The works are usually grouped into Early (sometimes by some into Transitional ), Middle , and Late period; The following represents one relatively common division amongst developmentalist scholars. Whereas those classified as "early dialogues" often conclude in aporia ,
6375-526: The 2007 edition of the College Board's Trend in College Pricing Report published October 2007 : "College costs continue to rise and federal student aid has shown slower growth when adjusted for inflation, while textbooks, as a percentage of total college costs, have remained steady at about 5 percent." In most U.S. K-12 public schools, a local school board votes on which textbooks to purchase from
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#17328941377116500-453: The Amazon kindle, e-textbooks are not an innovation, but have been "gaining momentum". According to the article " Are textbooks obsolete?", publishers and editorials are concerned about the issue of expensive textbooks. "The expense of textbooks is a concern for students, and e-textbooks, address the face of the issue, Williams says " As publishers we understand the high cost of these materials, and
6625-525: The CK-12 catalog. An effort is underway to map state educational standards correlations. Stanford University provided a number of titles in use. Curriki is another modular K-12 content non-profit "empowering educators to deliver and share curricula." Selected Curriki materials are also correlated to U.S. state educational standards. Some Curriki content has been collected into open textbooks and some may be used for modular lessons or special topics. Similar to
6750-769: The European philosophical tradition is that it consists of a series of footnotes to Plato." There is a traditional story that Plato ( Ancient Greek : Πλάτων , Plátōn , from Ancient Greek : πλατύς , romanized : platys , lit. 'broad') is a nickname . According to Diogenes Laërtius, writing hundreds of years after Plato's death, his birth name was Aristocles ( Ἀριστοκλῆς ), meaning 'best reputation'. "Platon" sounds like "Platus" or "Platos", meaning "broad", and according to Diogenes' sources, Plato gained his nickname either from his wrestling coach, Ariston of Argos, who dubbed him "broad" on account of his chest and shoulders, or he gained it from
6875-685: The Flat World financial model sustainable. However, in January 2013 Flat World Knowledge announced their financial model could no longer sustain their free-to-read options for students. Flat World Knowledge intends to have open textbooks available for the 125 highest-enrolled courses on college campuses within the next few years. CK-12 Flexbooks are the open textbooks designed for United States K-12 courses. CK-12 FlexBooks are designed to facilitate conformance to national and United States and individual state textbook standards. CK-12 FlexBooks are licensed under
7000-742: The Form of the Good. Plato views "The Good" as the supreme Form, somehow existing even "beyond being". In this manner, justice is obtained when knowledge of how to fulfill one's moral and political function in society is put into practice. The dialogues also discuss politics. Some of Plato's most famous doctrines are contained in the Republic as well as in the Laws and the Statesman . Because these opinions are not spoken directly by Plato and vary between dialogues, they cannot be straightforwardly assumed as representing Plato's own views. Socrates asserts that societies have
7125-553: The Forms are the causes of everything else, he [i.e. Plato] supposed that their elements are the elements of all things. Accordingly, the material principle is the Great and Small [i.e. the Dyad], and the essence is the One ( τὸ ἕν ), since the numbers are derived from the Great and Small by participation in the One". "From this account it is clear that he only employed two causes: that of the essence, and
7250-607: The Forms were the truths of geometry , such as the Pythagorean theorem . The theory of Forms is first introduced in the Phaedo dialogue (also known as On the Soul ), wherein Socrates disputes the pluralism of Anaxagoras , then the most popular response to Heraclitus and Parmenides. For Plato, as was characteristic of ancient Greek philosophy, the soul was that which gave life. Plato advocates
7375-622: The ISBN or title, author and edition, most textbooks can be located through online used booksellers or retailers. Most leading textbook companies publish a new edition every 3 or 4 years, more frequently in math and science. Harvard economics chair James K. Stock has stated that new editions are often not about significant improvements to the content. "New editions are to a considerable extent simply another tool used by publishers and textbook authors to maintain their revenue stream, that is, to keep up prices." A study conducted by The Student PIRGs found that
7500-537: The Islamic context, Neoplatonism facilitated the integration of Platonic philosophy with mystical Islamic thought, fostering a synthesis of ancient philosophical wisdom and religious insight. Inspired by Plato's Republic, Al-Farabi extended his inquiry beyond mere political theory, proposing an ideal city governed by philosopher-kings . Many of these commentaries on Plato were translated from Arabic into Latin and as such influenced Medieval scholastic philosophers. During
7625-451: The Qur’anic conception of God—the transcendent—while seemingly neglecting another—the creative. This philosophical tradition, introduced by Al-Farabi and subsequently elaborated upon by figures such as Avicenna , postulated that all phenomena emanated from the divine source. It functioned as a conduit, bridging the transcendental nature of the divine with the tangible reality of creation. In
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#17328941377117750-444: The actual price the publisher would get for the book. Once a textbook is purchased from a retailer for the first time, there are several ways a student can sell his/her textbooks back at the end of the semester or later. Students can sell to 1) the college/university bookstore; 2) fellow students; 3) numerous online websites; or 4) a student swap service. As for buyback on a specific campus, faculty decisions largely determine how much
7875-478: The aim of reselling them for a profit. Like online marketplaces, online book buyers operate year-round, giving students the opportunity to sell their books even when campus "buyback" periods are not in effect. Online book buyers, who are often online book sellers as well, will sometimes disclaim whether or not a book can be sold back prior to purchase. Students enter the ISBN numbers of the books they wish to sell and receive
8000-547: The breadth of his eloquence, or his wide forehead. Philodemus , in extracts from the Herculaneum papyri , corroborates the claim that Plato was named for his "broad forehead". Seneca the Younger , writing hundreds of years after Plato's death, writes "His very name was given him because of his broad chest." According to the traditional story, Plato was originally named after his paternal grandfather, supposedly called Aristocles;
8125-597: The bundled items in their courses. A 2005 Government Accountability Office (GAO) Report in the United States found that the production of these supplemental items was the primary cause of rapidly increasing prices: While publishers, retailers, and wholesalers all play a role in textbook pricing, the primary factor contributing to increases in the price of textbooks has been the increased investment publishers have made in new products to enhance instruction and learning...While wholesalers, retailers, and others do not question
8250-480: The causation of good and of evil". The most important aspect of this interpretation of Plato's metaphysics is the continuity between his teaching and the Neoplatonic interpretation of Plotinus or Ficino which has been considered erroneous by many but may in fact have been directly influenced by oral transmission of Plato's doctrine. A modern scholar who recognized the importance of the unwritten doctrine of Plato
8375-491: The character of a writer were attributed to that writer even when the actual author was unknown. The works taken as genuine in antiquity but are now doubted by at least some modern scholars are: Alcibiades I (*), Alcibiades II (‡), Clitophon (*), Epinomis (‡), Letters (*), Hipparchus (‡), Menexenus (*), Minos (‡), Lovers (‡), Theages (‡) The following works were transmitted under Plato's name in antiquity, but were already considered spurious by
8500-465: The charges for returned books from bookstores. According to the National Association of College Stores, the entire cost of the book is justified by expenses, with typically 11.7% of the price of a new book going to the author's royalties (or a committee of editors at the publishing house), 22.7% going to the store, and 64.6% going to the publisher. The store and publisher amounts are slightly higher for Canada. Bookstores and used-book vendors profit from
8625-420: The city of Syracuse , where he attempted to replace the tyrant Dionysius , with Dionysius's brother-in-law, Dion of Syracuse , whom Plato had recruited as one of his followers, but the tyrant himself turned against Plato. Plato almost faced death, but was sold into slavery. Anniceris , a Cyrenaic philosopher, bought Plato's freedom for twenty minas , and sent him home. Philodemus however states that Plato
8750-484: The common man's intuition about what is knowable and what is real. Reality is unavailable to those who use their senses. Socrates says that he who sees with his eyes is blind. While most people take the objects of their senses to be real if anything is, Socrates is contemptuous of people who think that something has to be graspable in the hands to be real. In the Theaetetus , he says such people are eu amousoi (εὖ ἄμουσοι), an expression that means literally, "happily without
8875-542: The complete written philosophical work of Plato, based on the first century AD arrangement of Thrasyllus of Mendes . The modern standard complete English edition is the 1997 Hackett Plato: Complete Works , edited by John M. Cooper. Thirty-five dialogues and thirteen letters (the Epistles ) have traditionally been ascribed to Plato, though modern scholarship doubts the authenticity of at least some of these. Jowett mentions in his Appendix to Menexenus, that works which bore
9000-410: The concept of form as distinct from matter, and that the physical world is an imitation of an eternal mathematical world. These ideas were very influential on Heraclitus, Parmenides and Plato. The two philosophers Heraclitus and Parmenides , influenced by earlier pre-Socratic Greek philosophers such as Pythagoras and Xenophanes , departed from mythological explanations for the universe and began
9125-443: The convenience of their service. Some even claim that buying used textbooks online and selling them to online book buyers has a lower total cost than even textbook rental services. In response to escalating textbook prices, limited competition, and to provide a more efficient system to connect buyers and sellers together, online textbook exchanges were developed. Most of today's sites handle buyer and seller payments, and usually deduct
9250-476: The copies of the textbook. Legislation at state and federal levels seeks to limit the practice of bundling, by requiring publishers to offer all components separately. Publishers have testified in favor of bills including this provision, but only in the case that the provision exempts the loosely defined category of "integrated textbooks". The Federal bill only exempts 3rd party materials in integrated textbooks, however publisher lobbyists have attempted to create
9375-442: The cost of textbooks and supplies for degree-seeking students as a percentage of tuition and fees varies by the type of institution attended. For example, the average estimated cost of books and supplies per first-time, full-time student for academic year 2003–2004 was $ 898 at 4-year public institutions, or about 26 percent of the cost of tuition and fees. At 2-year public institutions, where low-income students are more likely to pursue
9500-487: The doctrines that would later become known as Platonism . Plato's most famous contribution is the theory of forms (or ideas) , which has been interpreted as advancing a solution to what is now known as the problem of universals . He was decisively influenced by the pre-Socratic thinkers Pythagoras , Heraclitus , and Parmenides , although much of what is known about them is derived from Plato himself. Along with his teacher Socrates , and Aristotle , his student, Plato
9625-481: The effects of differential pricing on college stores, the National Association of College Stores has called on publishers to stop the practice of selling textbooks at lower prices outside the United States. For example, some U.S. booksellers arrange for drop-shipments in foreign countries which are then re-shipped to America where the books can be sold online at used prices (for a "new" unopened book). The authors often getting half-royalties instead of full-royalties, minus
9750-415: The effort of creating an open textbook without realistic compensation, to make such a proposal work. Currently, some open textbooks have been funded with non-profit investment. The other challenge involves the reality of publishing, which is that textbooks with good sales and profitability subsidize the creation and publication of low demand but believed to be necessary textbooks. Subsidies skew markets and
9875-408: The electronic format permit us diminish the general expense of our content to the market". E-textbook applications facilitate similar experiences to physical textbooks by allowing the user to highlight and take notes in-page. These applications also extend textbook learning by providing quick definitions, reading the text aloud, and search functionality. In-store rentals are processed by either using
10000-548: The elimination of subsidies is disruptive; in the case of low demand textbooks the possibilities following subsidy removal include any or all of the following: higher retail prices, a switch to open textbooks, a reduction of the number of titles published. On the other hand, independent open textbook authoring and publishing models are developing. Most notably, the startup publisher Flat World Knowledge already has dozens of college-level open textbooks that are used by more than 900 institutions in 44 countries. Their business model
10125-453: The famous Euthyphro dilemma in the dialogue of the same name: "Is the pious ( τὸ ὅσιον ) loved by the gods because it is pious, or is it pious because it is loved by the gods?" ( 10a ) In the Protagoras dialogue it is argued through Socrates that virtue is innate and cannot be learned, that no one does bad on purpose, and to know what is good results in doing what is good; that knowledge
10250-399: The field of books came with the 15th-century invention of printing with changeable type. The invention is attributed to German metalsmith Johannes Gutenberg, who cast type in molds using a melted metal alloy and constructed a wooden-screw printing press to transfer the image onto paper. Gutenberg's first and only large-scale printing effort was the now iconic Gutenberg Bible in the 1450s –
10375-533: The good itself" along with many fundamentals of Christian morality, which he interpreted as "Platonism for the masses" in Beyond Good and Evil (1886). Martin Heidegger argued against Plato's alleged obfuscation of Being in his incomplete tome, Being and Time (1927). Karl Popper argued in the first volume of The Open Society and Its Enemies (1945) that Plato's proposal for a " utopian " political regime in
10500-768: The idea of a changeless, eternal universe and the view that change is an illusion. Plato's most self-critical dialogue is the Parmenides , which features Parmenides and his student Zeno , which criticizes Plato's own metaphysical theories. Plato's Sophist dialogue includes an Eleatic stranger. These ideas about change and permanence, or becoming and Being, influenced Plato in formulating his theory of Forms. In Plato's dialogues, Socrates and his company of disputants had something to say on many subjects, including several aspects of metaphysics . These include religion and science, human nature, love, and sexuality. More than one dialogue contrasts perception and reality , nature and custom, and body and soul. Francis Cornford identified
10625-448: The inflation rate for all finished goods, according to the Bureau of Labor Statistics Producer Price Index. The wholesale prices charged by textbook publishers have jumped 62 percent since 1994, while prices charged for all finished goods increased only 14 percent. Similarly, the prices charged by publishers for general books increased just 19 percent during the same time period." According to
10750-535: The influence of Pythagoras , or in a broader sense, the Pythagoreans, such as Archytas also appears to have been significant. Aristotle and Cicero both claimed that the philosophy of Plato closely followed the teachings of the Pythagoreans . According to R. M. Hare , this influence consists of three points: Pythagoras held that all things are number, and the cosmos comes from numerical principles. He introduced
10875-515: The invention of the Greek alphabet 2,500 years ago, knowledge and stories were recited aloud, much like Homer 's epic poems. The new technology of writing meant stories no longer needed to be memorized, a development Socrates feared would weaken the Greeks' mental capacities for memorizing and retelling. (Ironically, we know about Socrates' concerns only because they were written down by his student Plato in his famous Dialogues.) The next revolution in
11000-443: The issue of reimportation of pharmaceuticals into the U.S. market, the GAO report also highlights a similar phenomenon in textbook distribution. Retailers and publishers have expressed concern about the re-importation of lower-priced textbooks from international locations. Specifically, they cited the ability students have to purchase books from online distribution channels outside the United States at lower prices, which may result in
11125-545: The literary and historical influence of the Bible. The development took over five years, at a cost of $ 2 million, with contributions from 40 Eastern Orthodox , evangelical , Protestant , Roman Catholic , Jewish and secular experts and scholars. As of September 2010, the Bible Literacy Project reports that the textbook has been adopted by 470 schools in 43 states, with more than 100 schools in Texas teaching Bible literacy courses. On October 11, 2007, The Bible and Its Influence
11250-422: The mass production made possible by the printing press. Johannes Gutenberg himself may have printed editions of Ars Minor , a schoolbook on Latin grammar by Aelius Donatus . Early textbooks were used by tutors and teachers (e.g. alphabet books), as well as by individuals who taught themselves. The Greek philosopher Socrates lamented the loss of knowledge because the media of transmission were changing. Before
11375-546: The material cause; for the Forms are the cause of the essence in everything else, and the One is the cause of it in the Forms. He also tells us what the material substrate is of which the Forms are predicated in the case of sensible things, and the One in that of the Forms ;– that it is this the duality (the Dyad, ἡ δυάς ), the Great and Small ( τὸ μέγα καὶ τὸ μικρόν ). Further, he assigned to these two elements respectively
11500-405: The muses". In other words, such people are willingly ignorant, living without divine inspiration and access to higher insights about reality. Many have interpreted Plato as stating – even having been the first to write – that knowledge is justified true belief , an influential view that informed future developments in epistemology. Plato also identified problems with
11625-482: The name "Plato" was only used as a nickname; and the philosopher could not have been named "Plato" because that name does not occur previously in his family line. Modern scholarship tends to reject the "Aristocles" story. Plato always called himself Platon . Platon was a fairly common name (31 instances are known from Athens alone), including people named before Plato was born. Robin Waterfield states that Plato
11750-451: The new cost, for distribution to other bookstores. Some textbook companies have countered this by encouraging teachers to assign homework that must be done on the publisher's website. Students with a new textbook can use the pass code in the book to register on the site; otherwise they must pay the publisher to access the website and complete assigned homework. Students who look beyond the campus bookstore can typically find lower prices. With
11875-652: The number of providers has declined in recent years (there are just a handful of major textbook companies in the United States). Also, elasticity of demand is fairly low. The term "broken market" appeared in the economist James Koch's analysis of the market commissioned by the Advisory Committee on Student Financial Assistance. In the United States, the largest textbook publishers are Pearson Education , Cengage , McGraw-Hill Education , and Wiley . Together they control 90% of market revenue. Another textbook publisher
12000-660: The other hand, if one derives one's account of something by way of the non-sensible Forms, because these Forms are unchanging, so too is the account derived from them. That apprehension of Forms is required for knowledge may be taken to cohere with Plato's theory in the Theaetetus and Meno . Indeed, the apprehension of Forms may be at the base of the account required for justification, in that it offers foundational knowledge which itself needs no account, thereby avoiding an infinite regression . Several dialogues discuss ethics including virtue and vice, pleasure and pain, crime and punishment, and justice and medicine. Socrates presents
12125-547: The people), and finally to tyranny (rule by one person, rule by a tyrant). Several dialogues tackle questions about art, including rhetoric and rhapsody. Socrates says that poetry is inspired by the muses , and is not rational. He speaks approvingly of this, and other forms of divine madness (drunkenness, eroticism, and dreaming) in the Phaedrus , and yet in the Republic wants to outlaw Homer's great poetry, and laughter as well. Scholars often view Plato's philosophy as at odds with rhetoric due to his criticisms of rhetoric in
12250-454: The physical store or shipped back to the third party facilitator by the rental due date. Writing and highlighting is sometimes allowed in rented items, although excessive markup which makes the item unrentable is discouraged. Overdue items are often charged a fee up to the retail price of the rented item. Rented items typically do not include supplemental materials such as access codes, CDs, or loose-leafs. Using textbook sharing, students share
12375-428: The physical textbook with other students, and the cost of the book is divided among the users of the textbook. Over the life of the textbook, if 4 students use the textbook, the cost of the textbook for each student will be 25% of the total cost of the book. The latest trend in textbooks is "open textbooks". An open textbook is a free, openly licensed textbook offered online by the copyright holders. According to PIRG,
12500-469: The price. The US Congress passed a law in the 2008 Higher Education Opportunity Act that would require price disclosure. Legislation requiring price disclosure has passed in Connecticut, Washington, Minnesota, Oregon, Arizona, Oklahoma, and Colorado. Publishers are currently supporting price disclosure mandates, though they insist that the "suggested retail price" should be disclosed, rather than
12625-465: The primary speaker is Socrates, who employs a method of questioning which proceeds by a dialogue form called dialectic. The role of dialectic in Plato's thought is contested but there are two main interpretations: a type of reasoning and a method of intuition. Simon Blackburn adopts the first, saying that Plato's dialectic is "the process of eliciting the truth by means of questions aimed at opening out what
12750-577: The printing press [ it ] at the Dominican convent of San Jacopo di Ripoli [ it ] . The 1578 edition of Plato's complete works published by Henricus Stephanus ( Henri Estienne ) in Geneva also included parallel Latin translation and running commentary by Joannes Serranus ( Jean de Serres ). It was this edition which established standard Stephanus pagination , still in use today. The text of Plato as received today apparently represents
12875-420: The processes of collection and division . More explicitly, Plato himself argues in the Timaeus that knowledge is always proportionate to the realm from which it is gained. In other words, if one derives one's account of something experientially, because the world of sense is in flux, the views therein attained will be mere opinions. Meanwhile, opinions are characterized by a lack of necessity and stability. On
13000-609: The public in his lecture On the Good ( Περὶ τἀγαθοῦ ), in which the Good ( τὸ ἀγαθόν ) is identified with the One (the Unity, τὸ ἕν ), the fundamental ontological principle. The first witness who mentions its existence is Aristotle, who in his Physics writes: "It is true, indeed, that the account he gives there [i.e. in Timaeus ] of the participant is different from what he says in his so-called unwritten teachings ( Ancient Greek : ἄγραφα δόγματα , romanized : agrapha dogmata )." In Metaphysics he writes: "Now since
13125-433: The quality of these materials, they have expressed concern that the publishers' practice of packaging supplements with a textbook to sell as one unit limits the opportunity students have to purchase less expensive used books....If publishers continue to increase these investments, particularly in technology, the cost to produce a textbook is likely to continue to increase in the future. Bundling has also been used to segment
13250-695: The reality of the material world, considering it only an image or copy of the real world. According to this theory of Forms, there are these two kinds of things: the apparent world of material objects grasped by the senses, which constantly changes, and an unchanging and unseen world of Forms, grasped by reason ( λογική ). Plato's Forms represent types of things, as well as properties , patterns, and relations , which are referred to as objects. Just as individual tables, chairs, and cars refer to objects in this world, 'tableness', 'chairness', and 'carness', as well as e.g. justice , truth , and beauty refer to objects in another world. One of Plato's most cited examples for
13375-442: The report contains factual inaccuracies regarding the annual average cost of textbooks per student. The Student PIRGs also point out that recent emphasis on e-textbooks does not always save students money. Even though the book costs less up-front, the student will not recover any of the cost through resale. Another publishing industry practice that has been highly criticized is "bundling", or shrink-wrapping supplemental items into
13500-889: The resale of textbooks on the used market, with publishers only earning profits on sales of new textbooks. According to the GAO study published July 2005: Following closely behind annual increases in tuition and fees at postsecondary institutions, college textbook and supply prices have risen at twice the rate of annual inflation over the last two decades. Rising at an average of 6 percent each year since academic year 1987–1988, compared with overall average price increases of 3 percent per year, college textbook and supply prices trailed tuition and fee increases, which averaged 7 percent per year. Since December 1986, textbook and supply prices have nearly tripled, increasing by 186 percent, while tuition and fees increased by 240 percent and overall prices grew by 72 percent. While increases in textbook and supply prices have followed increases in tuition and fees,
13625-424: The respective companies to continue to operate. Students can also sell or trade textbooks among themselves. After completing a course, sellers will often seek out members of the next enrolling class, people who are likely to be interested in purchasing the required books. This may be done by posting flyers to advertise the sale of the books or simply soliciting individuals who are shopping in the college bookstore for
13750-585: The resulting growth of schooling in Europe led to the printing of many more textbooks for children. Textbooks have been the primary teaching instrument for most children since the 19th century. Two textbooks of historical significance in United States schooling were the 18th century New England Primer and the 19th century McGuffey Readers . Recent technological advances have changed the way people interact with textbooks. Online and digital materials are making it increasingly easy for students to access materials other than
13875-418: The sale of used books , and would make that entire industry illegal. Another alternative to save money and obtaining the materials you are required are e-textbooks. The article "E books rewrite the rules of education" states that, alternately to spending a lot of money on textbooks, you can purchase an e-textbook at a small amount of the cost. With the growth of digital applications for iPhone, and gadgets like
14000-419: The sale of used books. The concept is not unlike the limited licensing approach for computer software, which places rigid restrictions on resale and reproduction. The intent is to make users understand that the content of any textbook is the intellectual property of the author and/or the publisher, and that as such, subject to copyright. Obviously, this idea is completely opposed to the millennia-old tradition of
14125-501: The same titles. Many larger schools have independent websites set up for the purpose of facilitating such trade. These often operate much like digital classified ads, enabling students to list their items for sale and browse for those they wish to acquire. Also, at the US Air Force Academy , it is possible to e-mail entire specific classes, allowing for an extensive network of textbook sales to exist. Online marketplaces are one of
14250-456: The so-called "middle dialogues" provide more clearly stated positive teachings that are often ascribed to Plato such as the theory of Forms. The remaining dialogues are classified as "late" and are generally agreed to be difficult and challenging pieces of philosophy. It should, however, be kept in mind that many of the positions in the ordering are still highly disputed, and also that the very notion that Plato's dialogues can or should be "ordered"
14375-488: The term "featherless biped", and later ζῷον πολιτικόν ( zōon politikon ), a "political" or "state-building" animal ( Aristotle 's term, based on Plato's Statesman ). Diogenes the Cynic took issue with the former definition, reportedly producing a recently plucked chicken with the exclamation of "Here is Plato’s man!" (variously translated as "Behold, a man!"; "Here is a human!" etc.). Plato never presents himself as
14500-407: The traditional print textbook. Students now have access to electronic books ("e-books"), online tutoring systems and video lectures. An example of an e-book is Principles of Biology from Nature Publishing . Most notably, an increasing number of authors are avoiding commercial publishers and instead offering their textbooks under a creative commons or other open license. As in many industries,
14625-648: The two major types of online websites students can use to sell used textbooks. Online marketplaces may have an online auction format or may allow the student to list their books for a fixed price. In either case, the student must create the listing for each book themselves and wait for a buyer to order, making the use of marketplaces a more passive way of selling used textbooks. Unlike campus buyback and online book, students are unlikely to sell all their books to one buyer using online marketplaces, and will likely have to send out multiple books individually. Online book buyers buy textbooks, and sometimes other types of books, with
14750-403: The used book market. Each combination of a textbook and supplemental items receives a separate ISBN. A single textbook could therefore have dozens of ISBNs that denote different combinations of supplements packaged with that particular book. When a bookstore attempts to track down used copies of textbooks, they will search for the ISBN the course instructor orders, which will locate only a subset of
14875-486: Was Heinrich Gomperz who described it in his speech during the 7th International Congress of Philosophy in 1930. All the sources related to the ἄγραφα δόγματα have been collected by Konrad Gaiser and published as Testimonia Platonica . Plato's thought is often compared with that of his most famous student, Aristotle , whose reputation during the Western Middle Ages so completely eclipsed that of Plato that
15000-614: Was an ancient Greek philosopher of the Classical period who is considered a foundational thinker in Western philosophy and an innovator of the written dialogue and dialectic forms. He raised problems for what became all the major areas of both theoretical philosophy and practical philosophy , and was the founder of the Platonic Academy , a philosophical school in Athens where Plato taught
15125-510: Was buried in the garden of his academy in Athens, close to the sacred shrine of the Muses. In 2024, a scroll found at Herculaneum was deciphered, that confirmed some previous theories. The papyrus says that before death Plato "retained enough lucidity to critique the musician for her lack of rhythm", and that he was buried "in his designated garden in the Academy of Athens". Plato never speaks in his own voice in his dialogues ; every dialogue except
15250-539: Was designated by the Alabama State Board of Education as an approved textbook statewide. This designation allows schools throughout the state to purchase the curriculum with state funds. The Bible and Its Influence has received extensive press coverage. The cover story of TIME on April 2, 2007, described the rising trend in Bible courses in public schools nationwide. TIME senior religion editor David Van Biema stated, "Public school Bible electives should have
15375-478: Was not a nickname, but a perfectly normal name, and "the common practice of naming a son after his grandfather was reserved for the eldest son", not Plato. According to Debra Nails, Plato's grandfather was the Aristocles who was archon in 605/4. Plato was born in Athens or Aegina , between 428 and 423 BC. He was a member of an aristocratic and influential family. His father was Ariston, who may have been
15500-604: Was sold as a slave as early as in 404 BC, when the Spartans conquered Aegina, or, alternatively, in 399 BC, immediately after the death of Socrates. After Dionysius's death, according to Plato's Seventh Letter , Dion requested Plato return to Syracuse to tutor Dionysius II , who seemed to accept Plato's teachings, but eventually became suspicious of their motives, expelling Dion and holding Plato against his will. Eventually Plato left Syracuse and Dion would return to overthrow Dionysius and rule Syracuse, before being usurped by Callippus ,
15625-403: Was to offer the open textbook free online, and then sell ancillary products that students are likely to buy if prices are reasonable – print copies, study guides, ePub , .Mobi ( Kindle ), PDF download, etc. Flat World Knowledge compensates its authors with royalties on these sales. With the generated revenue Flat World Knowledge funded high-quality publishing activities with a goal of making
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