4 ideas
17750 | The first clear proof of the consistency of the first order predicate logic was in 1928 [Hilbert/Ackermann, by Walicki] |
14296 | Dispositions are physical states of mechanism; when known, these replace the old disposition term [Quine] |
14617 | Predicates can't apply to what doesn't exist [Stalnaker] |
14616 | A 'Russellian proposition' is an ordered sequence of individual, properties and relations [Stalnaker] |