Combining Texts

All the ideas for 'In Praed.', 'Frege' and 'Intro to I: Classical Logic'

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3 ideas

4. Formal Logic / B. Propositional Logic PL / 1. Propositional Logic
7726 Aristotelian logic dealt with inferences about concepts, and there were also proposition inferences [Weiner]
5. Theory of Logic / A. Overview of Logic / 6. Classical Logic
9463 Classical logic is bivalent, has excluded middle, and only quantifies over existent objects [Jacquette]
9. Objects / B. Unity of Objects / 2. Substance / a. Substance
16776 Substance is an intrinsic thing, so parts of substances can't also be intrinsic things [Duns Scotus]