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Ideas for 'works', 'Letters to Foucher' and 'The Concept of Logical Consequence'

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3 ideas

5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence

14181

Validity is where either the situation or the interpretation blocks true premises and false conclusion [Etchemendy, by Read]

14180

Etchemendy says fix the situation and vary the interpretation, or fix interpretations with varying situations [Etchemendy, by Read]

5. Theory of Logic / E. Structures of Logic / 1. Logical Form

4730	For Aristotle, the subject-predicate structure of Greek reflected a substance-accident structure of reality [Aristotle, by O'Grady]