4 ideas
14797 | Vagueness is a neglected but important part of mathematical thought [Peirce] |
14798 | All communication is vague, and is outside the principle of non-contradiction [Peirce] |
5451 | Popper felt that ancient essentialism was a bar to progress [Popper, by Mautner] |
8875 | Sense experiences must have conceptual content, since they are possible reasons for judgements [Brewer,B] |