39 ideas
6319 | Wise people choose inaction and silence [Laozi (Lao Tzu)] |
6325 | One who knows does not speak; one who speaks does not know [Laozi (Lao Tzu)] |
6321 | Vulgar people are alert; I alone am muddled [Laozi (Lao Tzu)] |
13252 | Some truths have true negations [Beall/Restall] |
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13234 | The view of logic as knowing a body of truths looks out-of-date [Beall/Restall] |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] |
6328 | To know yet to think that one does not know is best [Laozi (Lao Tzu)] |
6323 | Pursuit of learning increases activity; the Way decreases it [Laozi (Lao Tzu)] |
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] |
6331 | Truth is not beautiful; beautiful speech is not truthful [Laozi (Lao Tzu)] |
6330 | One with no use for life is wiser than one who values it [Laozi (Lao Tzu)] |
6327 | Do good to him who has done you an injury [Laozi (Lao Tzu)] |
23402 | The highest virtue is achieved without effort [Laozi (Lao Tzu)] |
467 | A virtue is a combination of intelligence, strength and luck [Ion] |
6324 | To gain in goodness, treat as good those who are good, and those who are not [Laozi (Lao Tzu)] |
6322 | There is no crime greater than having too many desires [Laozi (Lao Tzu)] |
6320 | The best rulers are invisible, the next admired, the next feared, and the worst are exploited [Laozi (Lao Tzu)] |
6329 | People are hard to govern because authorities love to do things [Laozi (Lao Tzu)] |
6326 | The better known the law, the more criminals there are [Laozi (Lao Tzu)] |
23401 | A military victory is not a thing of beauty [Laozi (Lao Tzu)] |