Combining Philosophers

Ideas for Hermarchus, Jos L. Zalabardo and Gilbert Harman

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3 ideas

5. Theory of Logic / B. Logical Consequence / 4. Semantic Consequence |=

10893

Γ |= φ for sentences if φ is true when all of Γ is true [Zalabardo]

10899

Γ |= φ if φ is true when all of Γ is true, for all structures and interpretations [Zalabardo]

5. Theory of Logic / B. Logical Consequence / 5. Modus Ponens

3094	You don't have to accept the conclusion of a valid argument [Harman]