Combining Texts

All the ideas for 'General Facts,Phys Necessity, and Metaph of Time', 'Frege on Knowing the Foundations' and 'Symbolic Reasoning'

expand these ideas     |    start again     |     specify just one area for these texts

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3 ideas

3. Truth / B. Truthmakers / 3. Truthmaker Maximalism

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The truth-maker principle is that every truth has a sufficient truth-maker [Forrest]

4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set

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The null class is the class with all the non-existents as its members [MacColl, by Lackey]

5. Theory of Logic / K. Features of Logics / 1. Axiomatisation

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We come to believe mathematical propositions via their grounding in the structure [Burge]