Combining Texts

All the ideas for 'Elucidation of some points in E.Schröder', 'Relations' and 'Letters to Descartes'

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5 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set
14238 A class is an aggregate of objects; if you destroy them, you destroy the class; there is no empty class [Frege]
8. Modes of Existence / A. Relations / 1. Nature of Relations
21354 It may be that internal relations like proportion exist, because we directly perceive it [MacBride]
8. Modes of Existence / A. Relations / 2. Internal Relations
21353 Internal relations are fixed by existences, or characters, or supervenience on characters [MacBride]
8. Modes of Existence / A. Relations / 4. Formal Relations / a. Types of relation
21352 'Multigrade' relations are those lacking a fixed number of relata [MacBride]
17. Mind and Body / A. Mind-Body Dualism / 8. Dualism of Mind Critique
23222 A soul with physical extension is more likely than an immaterial soul that moves bodies [Elizabeth]