6 ideas
13166 | Essences are no use in mathematics, if all mathematical truths are necessary [Mancosu] |
18969 | How do you distinguish three beliefs from four beliefs or two beliefs? [Quine] |
16719 | The primary qualities are mixed to cause secondary qualities [Burley] |
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] |
18970 | The concept of a 'point' makes no sense without the idea of absolute position [Quine] |