64 ideas
8927 | Philosophy moves essentially in the element of universality [Hegel] |
21776 | Philosophy aims to reveal the necessity and rationality of the categories of nature and spirit [Hegel, by Houlgate] |
8935 | Without philosophy, science is barren and futile [Hegel] |
22082 | Truth does not appear by asserting reasons and then counter-reasons [Hegel] |
22035 | The structure of reason is a social and historical achievement [Hegel, by Pinkard] |
8932 | Truth does not come from giving reasons for and against propositions [Hegel] |
9376 | A sentence may simultaneously define a term, and also assert a fact [Boghossian] |
13252 | Some truths have true negations [Beall/Restall] |
13247 | A truthmaker is an object which entails a sentence [Beall/Restall] |
7077 | The true is the whole [Hegel] |
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13234 | The view of logic as knowing a body of truths looks out-of-date [Beall/Restall] |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] |
9375 | Conventionalism agrees with realists that logic has truth values, but not over the source [Boghossian] |
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] |
15611 | I develop philosophical science from the simplest appearance of immediate consciousness [Hegel, by Hegel] |
8928 | The Absolute is not supposed to be comprehended, but felt and intuited [Hegel] |
8929 | In the Absolute everything is the same [Hegel] |
21774 | Genuine idealism is seeing the ideal structure of the world [Hegel, by Houlgate] |
8934 | Being is Thought [Hegel] |
9369 | 'Snow is white or it isn't' is just true, not made true by stipulation [Boghossian] |
9367 | The a priori is explained as analytic to avoid a dubious faculty of intuition [Boghossian] |
9373 | That logic is a priori because it is analytic resulted from explaining the meaning of logical constants [Boghossian] |
9380 | We can't hold a sentence true without evidence if we can't agree which sentence is definitive of it [Boghossian] |
9384 | We may have strong a priori beliefs which we pragmatically drop from our best theory [Boghossian] |
21773 | Experience is immediacy, unity, forces, self-awareness, reason, culture, absolute being [Hegel, by Houlgate] |
22033 | Hegel tried to avoid Kant's dualism of neutral intuitions and imposed concepts [Hegel, by Pinkard] |
9374 | If we learn geometry by intuition, how could this faculty have misled us for so long? [Boghossian] |
21771 | Consciousness derives its criterion of knowledge from direct knowledge of its own being [Hegel] |
20741 | Consciousness is shaped dialectically, by opposing forces and concepts [Hegel, by Aho] |
21770 | Consciousness is both of objects, and of itself [Hegel] |
5647 | Hegel claims knowledge of self presupposes desire, and hence objects [Hegel, by Scruton] |
5648 | For Hegel knowledge of self presupposes objects, and also a public and moral social world [Hegel, by Scruton] |
13239 | Judgement is always predicating a property of a subject [Beall/Restall] |
9378 | If meaning depends on conceptual role, what properties are needed to do the job? [Boghossian] |
9377 | 'Conceptual role semantics' says terms have meaning from sentences and/or inferences [Boghossian] |
9372 | Could expressions have meaning, without two expressions possibly meaning the same? [Boghossian] |
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] |
17721 | There are no truths in virtue of meaning, but there is knowability in virtue of understanding [Boghossian, by Jenkins] |
9368 | Epistemological analyticity: grasp of meaning is justification; metaphysical: truth depends on meaning [Boghossian] |
8930 | The in-itself must become for-itself, which requires self-consciousness [Hegel] |
8936 | Human nature only really exists in an achieved community of minds [Hegel] |
22034 | Modern life needs individuality, but must recognise that human agency is social [Hegel, by Pinkard] |
21987 | History is the progress of the consciousness of freedom [Hegel] |
8931 | The movement of pure essences constitutes the nature of scientific method [Hegel] |
8933 | Science confronts the inner necessities of objects [Hegel] |
21775 | The God of revealed religion can only be understood through pure speculative knowledge [Hegel] |
6917 | God is the essence of thought, abstracted from the thinker [Hegel, by Feuerbach] |
6915 | Hegel made the last attempt to restore Christianity, which philosophy had destroyed [Hegel, by Feuerbach] |