157 ideas
11461 | 323 (roughly): Euclid wrote 'Elements', summarising all of geometry [PG] |
11390 | 1000 (roughly): Upanishads written (in Sanskrit); religious and philosophical texts [PG] |
11391 | 750 (roughly): the Book of Genesis written by Hebrew writers [PG] |
11392 | 586: eclipse of the sun on the coast of modern Turkey was predicted by Thales of Miletus [PG] |
11395 | 570: Anaximander flourished in Miletus [PG] |
11396 | 563: the Buddha born in northern India [PG] |
11398 | 540: Lao Tzu wrote 'Tao Te Ching', the basis of Taoism [PG] |
11400 | 529: Pythagoras created his secretive community at Croton in Sicily [PG] |
11403 | 500: Heraclitus flourishes at Ephesus, in modern Turkey [PG] |
11404 | 496: Confucius travels widely, persuading rulers to be more moral [PG] |
11408 | 472: Empedocles persuades his city (Acragas in Sicily) to become a democracy [PG] |
11412 | 450 (roughly): Parmenides and Zeno visit Athens from Italy [PG] |
11414 | 445: Protagoras helps write laws for the new colony of Thurii [PG] |
11417 | 436 (roughly): Anaxagoras is tried for impiety, and expelled from Athens [PG] |
11535 | 170 (roughly): Marcus Aurelius wrote his private stoic meditations [PG] |
11537 | -200 (roughly): Sextus Empiricus wrote a series of books on scepticism [PG] |
11541 | 263: Porphyry began to study with Plotinus in Rome [PG] |
11545 | 310: Christianity became the official religion of the Roman empire [PG] |
11549 | 387: Ambrose converts Augustine to Christianity [PG] |
11555 | 523: Boethius imprisoned at Pavia, and begins to write [PG] |
11557 | 529: the emperor Justinian closes all the philosophy schools in Athens [PG] |
11421 | 427: Gorgias visited Athens as ambassador for Leontini [PG] |
11425 | 399: Socrates executed (with Plato absent through ill health) [PG] |
11432 | 387 (roughly): Plato returned to Athens, and founded the Academy [PG] |
11433 | 387 (roughly): Aristippus the Elder founder a hedonist school at Cyrene [PG] |
11440 | 367: the teenaged Aristotle came to study at the Academy [PG] |
11443 | 360 (roughly): Diogenes of Sinope lives in a barrel in central Athens [PG] |
11445 | 347: death of Plato [PG] |
11454 | 343: Aristotle becomes tutor to 13 year old Alexander (the Great) [PG] |
11456 | 335: Arisotle founded his school at the Lyceum in Athens [PG] |
11459 | 330 (roughly): Chuang Tzu wrote his Taoist book [PG] |
11465 | 322: Aristotle retired to Chalcis, and died there [PG] |
11468 | 307 (roughly): Epicurus founded his school at the Garden in Athens [PG] |
11470 | 301 (roughly): Zeno of Citium founded Stoicism at the Stoa Poikile in Athens [PG] |
11483 | 261: Cleanthes replaced Zeno as head of the Stoa [PG] |
11486 | 229 (roughly): Chrysippus replaced Cleanthes has head of the Stoa [PG] |
11492 | 157 (roughly): Carneades became head of the Academy [PG] |
11509 | 85: most philosophical activity moves to Alexandria [PG] |
11513 | 78: Cicero visited the stoic school on Rhodes [PG] |
11516 | 60 (roughly): Lucretius wrote his Latin poem on epicureanism [PG] |
11528 | 65: Seneca forced to commit suicide by Nero [PG] |
11531 | 80: the discourses of the stoic Epictetus are written down [PG] |
11564 | 1090: Anselm publishes his proof of the existence of God [PG] |
11558 | 622 (roughly): Mohammed writes the Koran [PG] |
11559 | 642: Arabs close the philosophy schools in Alexandria [PG] |
11560 | 910 (roughly): Al-Farabi wrote Arabic commentaries on Aristotle [PG] |
11562 | 1015 (roughly): Ibn Sina (Avicenna) writes a book on Aristotle [PG] |
11566 | 1115: Abelard is the chief logic teacher in Paris [PG] |
11573 | 1166: Ibn Rushd (Averroes) wrote extensive commentaries on Aristotle [PG] |
11581 | 1266: Aquinas began writing 'Summa Theologica' [PG] |
11586 | 1280: after his death, the teaching of Aquinas becomes official Dominican doctrine [PG] |
11591 | 1328: William of Ockham decides the Pope is a heretic, and moves to Munich [PG] |
17916 | 1347: the Church persecutes philosophical heresies [PG] |
11593 | 1470: Marsilio Ficino founds a Platonic Academy in Florence [PG] |
11596 | 1513: Machiavelli wrote 'The Prince' [PG] |
11599 | 1543: Copernicus publishes his heliocentric view of the solar system [PG] |
11601 | 1580: Montaigne publishes his essays [PG] |
11607 | 1600: Giordano Bruno was burned at the stake in Rome [PG] |
11613 | 1619: Descartes's famous day of meditation inside a stove [PG] |
11614 | 1620: Bacon publishes 'Novum Organum' [PG] |
11619 | 1633: Galileo convicted of heresy by the Inquisition [PG] |
11623 | 1641: Descartes publishes his 'Meditations' [PG] |
11626 | 1650: death of Descartes, in Stockholm [PG] |
11627 | 1651: Hobbes publishes 'Leviathan' [PG] |
11633 | 1662: the Port Royal Logic is published [PG] |
11634 | 1665: Spinoza writes his 'Ethics' [PG] |
11643 | 1676: Leibniz settled as librarian to the Duke of Brunswick [PG] |
11649 | 1687: Newton publishes his 'Principia Mathematica' [PG] |
11652 | 1690: Locke publishes his 'Essay' [PG] |
11654 | 1697: Bayle publishes his 'Dictionary' [PG] |
11659 | 1713: Berkeley publishes his 'Three Dialogues' [PG] |
11666 | 1734: Voltaire publishes his 'Philosophical Letters' [PG] |
11667 | 1739: Hume publishes his 'Treatise' [PG] |
11675 | 1762: Rousseau publishes his 'Social Contract' [PG] |
11682 | 1781: Kant publishes his 'Critique of Pure Reason' [PG] |
11683 | 1785: Reid publishes his essays defending common sense [PG] |
11687 | 1798: the French Revolution [PG] |
11694 | 1807: Hegel publishes his 'Phenomenology of Spirit' [PG] |
11701 | 1818: Schopenhauer publishes his 'World as Will and Idea' [PG] |
11710 | 1840: Kierkegaard is writing extensively in Copenhagen [PG] |
11713 | 1843: Mill publishes his 'System of Logic' [PG] |
11715 | 1848: Marx and Engels publis the Communist Manifesto [PG] |
11717 | 1859: Darwin publishes his 'Origin of the Species' [PG] |
11721 | 1861: Mill publishes 'Utilitarianism' [PG] |
11724 | 1867: Marx begins publishing 'Das Kapital' [PG] |
11733 | 1879: Peirce taught for five years at Johns Hopkins University [PG] |
17907 | 1879: Frege invents predicate logic [PG] |
17909 | 1892: Frege's essay 'Sense and Reference' [PG] |
17908 | 1884: Frege publishes his 'Foundations of Arithmetic' [PG] |
11735 | 1885: Nietzsche completed 'Thus Spake Zarathustra' [PG] |
17911 | 1888: Dedekind publishes axioms for arithmetic [PG] |
11740 | 1890: James published 'Principles of Psychology' [PG] |
11742 | 1895 (roughly): Freud developed theories of the unconscious [PG] |
11745 | 1900: Husserl began developing Phenomenology [PG] |
17917 | 1953: Wittgenstein's 'Philosophical Investigations' [PG] |
17919 | 1956: Place proposed mind-brain identity [PG] |
11804 | 1962: Kuhn's 'Structure of Scientific Revolutions' [PG] |
17921 | 1967: Putnam proposed functionalism of the mind [PG] |
11808 | 1971: Rawls's 'A Theory of Justice' [PG] |
11810 | 1972: Kripke publishes 'Naming and Necessity' [PG] |
11813 | 1975: Singer publishes 'Animal Rights' [PG] |
17920 | 1975: Putnam published his Twin Earth example [PG] |
11820 | 1986: David Lewis publishes 'On the Plurality of Worlds' [PG] |
11746 | 1903: Moore published 'Principia Ethica' [PG] |
11747 | 1904: Dewey became professor at Columbia University [PG] |
17910 | 1908: Zermelo publishes axioms for set theory [PG] |
11752 | 1910: Russell and Whitehead begin publishing 'Principia Mathematica' [PG] |
11756 | 1912: Russell meets Wittgenstein in Cambridge [PG] |
11762 | 1921: Wittgenstein's 'Tractatus' published [PG] |
11765 | 1927: Heidegger's 'Being and Time' published [PG] |
11768 | 1930: Frank Ramsey dies at 27 [PG] |
11770 | 1931: Gödel's Incompleteness Theorems [PG] |
11773 | 1933: Tarski's theory of truth [PG] |
11783 | 1942: Camus published 'The Myth of Sisyphus' [PG] |
11784 | 1943: Sartre's 'Being and Nothingness' [PG] |
11787 | 1945: Merleau-Ponty's 'Phenomenology of Perception' [PG] |
17918 | 1947: Carnap published 'Meaning and Necessity' [PG] |
11794 | 1950: Quine's essay 'Two Dogmas of Empiricism' [PG] |
22026 | Philosophy is homesickness - the urge to be at home everywhere [Novalis] |
1887 | You cannot divide anything into many parts, because after the first division you are no longer dividing the original [Sext.Empiricus] |
1885 | Proof moves from agreed premises to a non-evident inference [Sext.Empiricus] |
12196 | A valid hypothetical syllogism is 'that which does not begin with a truth and end with a falsehood' [Sext.Empiricus] |
1902 | Since Socrates either died when he was alive (a contradiction) or died when he was dead (meaningless), he didn't die [Sext.Empiricus] |
1889 | If an argument has an absurd conclusion, we should not assent to the absurdity, but avoid the absurd argument [Sext.Empiricus] |
1871 | Whether honey is essentially sweet may be doubted, as it is a matter of judgement rather than appearance [Sext.Empiricus] |
1883 | How can the intellect know if sensation is reliable if it doesn't directly see external objects? [Sext.Empiricus] |
1890 | We distinguish ambiguities by seeing what is useful [Sext.Empiricus] |
1870 | The basis of scepticism is the claim that every proposition has an equal opposing proposition [Sext.Empiricus] |
1882 | The necks of doves appear different in colour depending on the angle of viewing [Sext.Empiricus] |
1881 | The same oar seems bent in water and straight when out of it [Sext.Empiricus] |
1872 | The same tower appears round from a distance, but square close at hand [Sext.Empiricus] |
1873 | If we press the side of an eyeball, objects appear a different shape [Sext.Empiricus] |
1874 | How can we judge between our impressions and those of other animals, when we ourselves are involved? [Sext.Empiricus] |
1876 | If we enjoy different things, presumably we receive different impressions [Sext.Empiricus] |
1878 | Water that seems lukewarm can seem very hot on inflamed skin [Sext.Empiricus] |
1877 | If we had no hearing or sight, we would assume no sound or sight exists, so there may be unsensed qualities [Sext.Empiricus] |
1879 | Sickness is perfectly natural to the sick, so their natural perceptions should carry some weight [Sext.Empiricus] |
1880 | Some actions seem shameful when sober but not when drunk [Sext.Empiricus] |
1910 | With us it is shameful for men to wear earrings, but among Syrians it is considered noble [Sext.Empiricus] |
1911 | Even if all known nations agree on a practice, there may be unknown nations which disagree [Sext.Empiricus] |
1886 | If you don't view every particular, you may miss the one which disproves your universal induction [Sext.Empiricus] |
19591 | Desire for perfection is an illness, if it turns against what is imperfect [Novalis] |
1884 | If we utter three steps of a logical argument, they never exist together [Sext.Empiricus] |
1894 | Some say that causes are physical, some say not [Sext.Empiricus] |
1896 | If there were no causes then everything would have been randomly produced by everything [Sext.Empiricus] |
1897 | Knowing an effect results from a cause means knowing that the cause belongs with the effect, which is circular [Sext.Empiricus] |
1898 | Cause can't exist before effect, or exist at the same time, so it doesn't exist [Sext.Empiricus] |
1895 | Causes are either equal to the effect, or they link equally with other causes, or they contribute slightly [Sext.Empiricus] |
1899 | Does the original self-mover push itself from behind, or pull itself from in front? [Sext.Empiricus] |
1900 | If time and place are infinitely divided, it becomes impossible for movement ever to begin [Sext.Empiricus] |
1901 | If all atoms, times and places are the same, everything should move with equal velocity [Sext.Empiricus] |
1903 | If motion and rest are abolished, so is time [Sext.Empiricus] |
1904 | Time must be unlimited, but past and present can't be non-existent, and can't be now, so time does not exist [Sext.Empiricus] |
1905 | How can time be divisible if we can't compare one length of time with another? [Sext.Empiricus] |
1891 | How can we agree on the concept of God, unless we agree on his substance or form or place? [Sext.Empiricus] |
1892 | The existence of God can't be self-evident or everyone would have agreed on it, so it needs demonstration [Sext.Empiricus] |
1893 | If God foresaw evil he would presumably prevent it, and if he only foresees some things, why those things? [Sext.Empiricus] |