23 ideas
6259 | Why can't a wise man doubt everything? [Montaigne] |
6263 | No wisdom could make us comfortably walk a wide beam if it was high in the air [Montaigne] |
23122 | Montaigne was the founding father of liberalism [Montaigne, by Gopnik] |
6258 | Virtue is the distinctive mark of truth, and its greatest product [Montaigne] |
13913 | The four 'perfect syllogisms' are called Barbara, Celarent, Darii and Ferio [Engelbretsen/Sayward] |
13914 | Syllogistic logic has one rule: what is affirmed/denied of wholes is affirmed/denied of their parts [Engelbretsen/Sayward] |
13915 | Syllogistic can't handle sentences with singular terms, or relational terms, or compound sentences [Engelbretsen/Sayward] |
13916 | Term logic uses expression letters and brackets, and '-' for negative terms, and '+' for compound terms [Engelbretsen/Sayward] |
13850 | In modern logic all formal validity can be characterised syntactically [Engelbretsen/Sayward] |
13849 | Classical logic rests on truth and models, where constructivist logic rests on defence and refutation [Engelbretsen/Sayward] |
13851 | Unlike most other signs, = cannot be eliminated [Engelbretsen/Sayward] |
13852 | Axioms are ω-incomplete if the instances are all derivable, but the universal quantification isn't [Engelbretsen/Sayward] |
6262 | We lack some sense or other, and hence objects may have hidden features [Montaigne] |
604 | Knowledge is mind and knowing 'cohabiting' [Lycophron, by Aristotle] |
6260 | Sceptics say there is truth, but no means of making or testing lasting judgements [Montaigne] |
6261 | The soul is in the brain, as shown by head injuries [Montaigne] |
7496 | Rules and duties are based on the will, as that is all we control [Montaigne] |
7495 | Apart from the fear, dying is an easy duty [Montaigne] |
22269 | We must fight fiercely to hang on to the few pleasures which survive into old age [Montaigne] |
20482 | Virtue inspires Stoics, but I want a good temperament [Montaigne] |
20480 | There is not much point in only becoming good near the end of your life [Montaigne] |
20481 | Nothing we say can be worse than unsaying it in the face of authority [Montaigne] |
20479 | People at home care far more than soldiers risking death about the outcome of wars [Montaigne] |