Combining Texts

All the ideas for 'In Praed.', 'Frege' and 'Meditatio de principio individui'

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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]

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]

26. Natural Theory / C. Causation / 9. General Causation / d. Causal necessity

12702

Causes can be inferred from perfect knowledge of their effects [Leibniz]