Combining Texts

All the ideas for 'fragments/reports', 'Symbolic Reasoning' and 'On 'Generation and Corruption''

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 / b. Empty (Null) Set

21548

The null class is the class with all the non-existents as its members [MacColl, by Lackey]

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]

21. Aesthetics / C. Artistic Issues / 7. Art and Morality

468	Musical performance can reveal a range of virtues [Damon of Ath.]