14 ideas
| 13591 | Quantified modal logic collapses if essence is withdrawn [Quine] |
| 14187 | If logic is topic-neutral that means it delves into all subjects, rather than having a pure subject matter [Read] |
| 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] |
| 13590 | Essences can make sense in a particular context or enquiry, as the most basic predicates [Quine] |
| 8483 | Necessity is relative to context; it is what is assumed in an inquiry [Quine] |
| 14185 | Conditionals are just a shorthand for some proof, leaving out the details [Read] |
| 13589 | Possible worlds are a way to dramatise essentialism, and yet they presuppose essentialism [Quine] |
| 13588 | A rigid designator (for all possible worlds) picks out an object by its essential traits [Quine] |
| 13592 | Beliefs can be ascribed to machines [Quine] |
| 16764 | The soul conserves the body, as we see by its dissolution when the soul leaves [Toletus] |