Combining Philosophers

Ideas for Herodotus, Michael D. Resnik and Rom Harr

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2 ideas

4. Formal Logic / A. Syllogistic Logic / 2. Syllogistic Logic

15879

The Square of Opposition has two contradictory pairs, one contrary pair, and one sub-contrary pair [Harré]

4. Formal Logic / B. Propositional Logic PL / 2. Tools of Propositional Logic / e. Axioms of PL

6299	Axioms are often affirmed simply because they produce results which have been accepted [Resnik]