12 ideas
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] |
14185 | Conditionals are just a shorthand for some proof, leaving out the details [Read] |
9216 | Each area of enquiry, and its source, has its own distinctive type of necessity [Fine,K] |
3583 | External objects are permanent possibilities of sensation [Mill] |
9214 | Unsupported testimony may still be believable [Fine,K] |
3537 | I judge others' feeling by analogy with my body and behaviour [Mill] |
9215 | Causation is easier to disrupt than logic, so metaphysics is part of nature, not vice versa [Fine,K] |