Combining Texts

All the ideas for 'Leibniz', '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 / G. Quantification / 2. Domain of Quantification

17743

De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki]

9. Objects / F. Identity among Objects / 7. Indiscernible Objects

7566	The Identity of Indiscernibles is really the same as the verification principle [Jolley]

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]