Combining Texts

Ideas for 'On the Question of Absolute Undecidability', 'A Puzzle Concerning Matter and Form' and 'Monadology'

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10. Modality / D. Knowledge of Modality / 1. A Priori Necessary

2112	Truths of reason are known by analysis, and are necessary; facts are contingent, and their opposites possible [Leibniz]