display all the ideas for this combination of texts
4 ideas
5181 | A sentence is factually significant to someone if they know how to verify its proposition [Ayer] |
5184 | Factual propositions imply (in conjunction with a few other premises) possible experiences [Ayer] |
5186 | Tautologies and empirical hypotheses form the entire class of significant propositions [Ayer] |
16932 | Projectible predicates can be universalised about the kind to which they refer [Quine] |