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Ideas for 'works', 'Looking for Spinoza' and 'works'

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3 ideas

5. Theory of Logic / C. Ontology of Logic / 3. If-Thenism

21493

Pure mathematics deals only with hypotheses, of which the reality does not matter [Peirce]

5. Theory of Logic / D. Assumptions for Logic / 1. Bivalence

19102

Bivalence is a regulative assumption of enquiry - not a law of logic [Peirce, by Misak]

5. Theory of Logic / D. Assumptions for Logic / 3. Contradiction

10121

Contradiction is not a sign of falsity, nor lack of contradiction a sign of truth [Pascal]