4 ideas
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
14617 | Predicates can't apply to what doesn't exist [Stalnaker] |
6029 | Whoever knows future causes knows everything that will be [Cicero] |
14616 | A 'Russellian proposition' is an ordered sequence of individual, properties and relations [Stalnaker] |