Combining Texts

All the ideas for 'Critical Common-Sensism', 'talk' and 'Elements of Mathematical Logic'

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4 ideas

1. Philosophy / A. Wisdom / 2. Wise People

7536	If you hope to improve the world, all you can do is improve yourself [Wittgenstein]

4. Formal Logic / E. Nonclassical Logics / 3. Many-Valued Logic

8942	Lukasiewicz's L3 logic has three truth-values, T, F and I (for 'indeterminate') [Lukasiewicz, by Fisher]

9. Objects / B. Unity of Objects / 3. Unity Problems / e. Vague objects

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]