Combining Philosophers

Ideas for Lynch,MP/Glasgow,JM, GE Hughes/M Cresswell and Stoic school

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3 ideas

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

21400

Stoics avoided universals by paraphrasing 'Man is...' as 'If something is a man, then it is...' [Stoic school, by Long]

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / c. not

20788

The contradictory of a contradictory is an affirmation [Stoic school, by Diog. Laertius]

5. Theory of Logic / K. Features of Logics / 4. Completeness

9544	A system is 'weakly' complete if all wffs are derivable, and 'strongly' if theses are maximised [Hughes/Cresswell]