display all the ideas for this combination of texts
4 ideas
5431 | Knowledge cannot be precisely defined, as it merges into 'probable opinion' [Russell] |
18831 | Medieval logicians said understanding A also involved understanding not-A [Rumfitt] |
5426 | Belief relates a mind to several things other than itself [Russell] |
5366 | We have an 'instinctive' belief in the external world, prior to all reflection [Russell] |