Combining Texts

All the ideas for 'Space and Time', 'Elucidation of some points in E.Schrder' and 'Rationality'

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4 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set

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A class is an aggregate of objects; if you destroy them, you destroy the class; there is no empty class [Frege]

12. Knowledge Sources / E. Direct Knowledge / 4. Memory

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The ancient Memorists said virtually all types of thinking could be done simply by memory [Sorabji]

23303

Stoics say true memory needs reflection and assent, but animals only have perceptual recognition [Sorabji]

27. Natural Reality / C. Space / 6. Space-Time

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Space alone, and time alone, will fade away, and only their union has an independent reality [Minkowski]