Combining Texts

All the ideas for 'Isagoge ('Introduction')', 'Second Philosophy' and 'The Actual and the Possible'

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

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3 ideas

5. Theory of Logic / A. Overview of Logic / 7. Second-Order Logic

10594

Henkin semantics is more plausible for plural logic than for second-order logic [Maddy]

8. Modes of Existence / D. Universals / 1. Universals

15034

Are genera and species real or conceptual? bodies or incorporeal? in sensibles or separate from them? [Porphyry]

10. Modality / C. Sources of Modality / 5. Modality from Actuality

12468

A state of affairs is only possible if there has been an actual substance to initiate it [Pruss]