10 ideas
21566 | 'Propositional functions' are ambiguous until the variable is given a value [Russell] |
21567 | 'All judgements made by Epimenedes are true' needs the judgements to be of the same type [Russell] |
23457 | Type theory cannot identify features across levels (because such predicates break the rules) [Morris,M on Russell] |
21556 | Classes are defined by propositional functions, and functions are typed, with an axiom of reducibility [Russell, by Lackey] |
21568 | A one-variable function is only 'predicative' if it is one order above its arguments [Russell] |
18969 | How do you distinguish three beliefs from four beliefs or two beliefs? [Quine] |
18967 | A 'proposition' is said to be the timeless cognitive part of the meaning of a sentence [Quine] |
18968 | The problem with propositions is their individuation. When do two sentences express one proposition? [Quine] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |
18970 | The concept of a 'point' makes no sense without the idea of absolute position [Quine] |