4 ideas
21757 | Philosophy is the conceptual essence of the shape of history [Hegel] |
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] |
6171 | Beliefs are states of the head that explain behaviour, and also items with referential truth-conditions [McGinn] |