Combining Philosophers

Ideas for Hermarchus, Peter A. Angeles and Herbert B. Enderton

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2 ideas

5. Theory of Logic / I. Semantics of Logic / 3. Logical Truth

9721	A logical truth or tautology is a logical consequence of the empty set [Enderton]

5. Theory of Logic / I. Semantics of Logic / 4. Satisfaction

9994	A truth assignment to the components of a wff 'satisfy' it if the wff is then True [Enderton]