24 ideas
14001 | People who use science to make philosophical points don't realise how philosophical science is [Markosian] |
13991 | Presentism has the problem that if Socrates ceases to exist, so do propositions about him [Markosian] |
18755 | Validity is explained as truth in all models, because that relies on the logical terms [McGee] |
18751 | Natural language includes connectives like 'because' which are not truth-functional [McGee] |
18761 | Second-order variables need to range over more than collections of first-order objects [McGee] |
18753 | An ontologically secure semantics for predicate calculus relies on sets [McGee] |
18754 | Logically valid sentences are analytic truths which are just true because of their logical words [McGee] |
18757 | Soundness theorems are uninformative, because they rely on soundness in their proofs [McGee] |
16901 | The equivalent algebra model of geometry loses some essential spatial meaning [Burge] |
18760 | The culmination of Euclidean geometry was axioms that made all models isomorphic [McGee] |
16902 | Peano arithmetic requires grasping 0 as a primitive number [Burge] |
14002 | Possible worlds must be abstract, because two qualitatively identical worlds are just one world [Markosian] |
16892 | Is apriority predicated mainly of truths and proofs, or of human cognition? [Burge] |
14000 | 'Grabby' truth conditions first select their object, unlike 'searchy' truth conditions [Markosian] |
18762 | A maxim claims that if we are allowed to assert a sentence, that means it must be true [McGee] |
13990 | Presentism is the view that only present objects exist [Markosian] |
13992 | Presentism says if objects don't exist now, we can't have attitudes to them or relations with them [Markosian] |
13994 | Presentism seems to entail that we cannot talk about other times [Markosian] |
13995 | Serious Presentism says things must exist to have relations and properties; Unrestricted version denies this [Markosian] |
13996 | Maybe Presentists can refer to the haecceity of a thing, after the thing itself disappears [Markosian] |
13997 | Maybe Presentists can paraphrase singular propositions about the past [Markosian] |
13993 | Special Relativity denies the absolute present which Presentism needs [Markosian] |
13998 | Objects in the past, like Socrates, are more like imaginary objects than like remote spatial objects [Markosian] |
13999 | People are mistaken when they think 'Socrates was a philosopher' says something [Markosian] |