Combining Texts

All the ideas for 'On Motion', 'On 'Generation and Corruption'' and 'Rationality'

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

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4 ideas

12. Knowledge Sources / B. Perception / 2. Qualities in Perception / d. Secondary qualities

16721

Changes in secondary qualities are caused by changes in primary qualities [Giles of Orleans]

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

23304

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 / B. Modern Physics / 1. Relativity / a. Special relativity

12709

Motion is not absolute, but consists in relation [Leibniz]