18 ideas
14187 | If logic is topic-neutral that means it delves into all subjects, rather than having a pure subject matter [Read] |
23548 | Indeterminacy is in conflict with classical logic [Fine,K] |
14188 | Not all arguments are valid because of form; validity is just true premises and false conclusion being impossible [Read] |
14182 | If the logic of 'taller of' rests just on meaning, then logic may be the study of merely formal consequence [Read] |
14183 | Maybe arguments are only valid when suppressed premises are all stated - but why? [Read] |
14184 | In modus ponens the 'if-then' premise contributes nothing if the conclusion follows anyway [Read] |
14186 | Logical connectives contain no information, but just record combination relations between facts [Read] |
23539 | Classical semantics has referents for names, extensions for predicates, and T or F for sentences [Fine,K] |
23544 | Local indeterminacy concerns a single object, and global indeterminacy covers a range [Fine,K] |
23540 | Conjoining two indefinites by related sentences seems to produce a contradiction [Fine,K] |
23546 | Standardly vagueness involves borderline cases, and a higher standpoint from which they can be seen [Fine,K] |
23542 | Identifying vagueness with ignorance is the common mistake of confusing symptoms with cause [Fine,K] |
23541 | Supervaluation can give no answer to 'who is the last bald man' [Fine,K] |
23545 | We do not have an intelligible concept of a borderline case [Fine,K] |
14185 | Conditionals are just a shorthand for some proof, leaving out the details [Read] |
5958 | The sun is always bright; it doesn't become bright when it emerges [Plutarch] |
23547 | It seems absurd that there is no identity of any kind between two objects which involve survival [Fine,K] |
23543 | We identify laws with regularities because we mistakenly identify causes with their symptoms [Fine,K] |