Combining Texts

All the ideas for 'Science and Method', 'On 'Generation and Corruption'' and 'works'

expand these ideas     |    start again     |     specify just one area for these texts

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3 ideas

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]

6. Mathematics / A. Nature of Mathematics / 2. Geometry

10245

One geometry cannot be more true than another [Poincaré]

12. Knowledge Sources / B. Perception / 2. Qualities in Perception / c. Primary qualities

16718

Primary qualities are the cause of all the other sensible qualities [Albertus Magnus]