36 ideas
2922 | All intelligent Romans were Epicureans [Nietzsche] |
13252 | Some truths have true negations [Beall/Restall] |
23520 | Truth has had to be fought for, and normal life must be sacrificed to achieve it [Nietzsche] |
2914 | One must never ask whether truth is useful [Nietzsche] |
13247 | A truthmaker is an object which entails a sentence [Beall/Restall] |
13249 | (∀x)(A v B) |- (∀x)A v (∃x)B) is valid in classical logic but invalid intuitionistically [Beall/Restall] |
13243 | Excluded middle must be true for some situation, not for all situations [Beall/Restall] |
13242 | It's 'relevantly' valid if all those situations make it true [Beall/Restall] |
13246 | Relevant logic does not abandon classical logic [Beall/Restall] |
13245 | Relevant consequence says invalidity is the conclusion not being 'in' the premises [Beall/Restall] |
13254 | A doesn't imply A - that would be circular [Beall/Restall] |
13255 | Relevant logic may reject transitivity [Beall/Restall] |
13250 | Free logic terms aren't existential; classical is non-empty, with referring names [Beall/Restall] |
13235 | Logic studies consequence; logical truths are consequences of everything, or nothing [Beall/Restall] |
13238 | Syllogisms are only logic when they use variables, and not concrete terms [Beall/Restall] |
13234 | The view of logic as knowing a body of truths looks out-of-date [Beall/Restall] |
13232 | Logic studies arguments, not formal languages; this involves interpretations [Beall/Restall] |
13241 | The model theory of classical predicate logic is mathematics [Beall/Restall] |
13253 | There are several different consequence relations [Beall/Restall] |
13240 | A sentence follows from others if they always model it [Beall/Restall] |
13236 | Logical truth is much more important if mathematics rests on it, as logicism claims [Beall/Restall] |
13237 | Preface Paradox affirms and denies the conjunction of propositions in the book [Beall/Restall] |
13244 | Relevant necessity is always true for some situation (not all situations) [Beall/Restall] |
9382 | Subjects may be unaware of their epistemic 'entitlements', unlike their 'justifications' [Burge] |
13239 | Judgement is always predicating a property of a subject [Beall/Restall] |
13248 | We can rest truth-conditions on situations, rather than on possible worlds [Beall/Restall] |
13233 | Propositions commit to content, and not to any way of spelling it out [Beall/Restall] |
2921 | Philosophy grasps the limits of human reason, and values are beyond it [Nietzsche] |
20138 | Christianity is at war with the higher type of man, and excommunicates his basic instincts [Nietzsche] |
20375 | Virtues must be highly personal; if not, it is merely respect for a concept [Nietzsche] |
2915 | Each person should devise his own virtues and categorical imperative [Nietzsche] |
2920 | A God who cures us of a head cold at the right moment is a total absurdity [Nietzsche] |
2917 | Christianity is a revolt of things crawling on the ground against elevated things [Nietzsche] |
2918 | The story in Genesis is the story of God's fear of science [Nietzsche] |
2919 | 'Faith' means not wanting to know what is true [Nietzsche] |
2916 | The great lie of immortality destroys rationality and natural instinct [Nietzsche] |