Combining Texts

All the ideas for 'Set Theory and related topics (2nd ed)', 'On the Senses' and 'Questions on Aristotle's Posterior Analytics'

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

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3 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / e. Equivalence classes

8920	Equivalence relations are reflexive, symmetric and transitive, and classify similar objects [Lipschutz]

12. Knowledge Sources / B. Perception / 2. Qualities in Perception / b. Primary/secondary

16726

Why can't we deduce secondary qualities from primary ones, if they cause them? [Buridan]

13. Knowledge Criteria / E. Relativism / 6. Relativism Critique

20921

How can we state relativism of sweet and sour, if they have no determinate nature? [Theophrastus]