Combining Texts

All the ideas for 'The Search After Truth', 'The Logical Basis of Metaphysics' and 'works'

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4 ideas

2. Reason / D. Definition / 1. Definitions

15927

Definition just needs negation, known variables, conjunction, disjunction, substitution and quantification [Weyl, by Lavine]

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / c. not

18801

Classical negation is circular, if it relies on knowing negation-conditions from truth-conditions [Dummett]

8. Modes of Existence / B. Properties / 8. Properties as Modes

16669

Everything that exists is either a being, or some mode of a being [Malebranche]

26. Natural Theory / C. Causation / 9. General Causation / d. Causal necessity

12726

In a true cause we see a necessary connection [Malebranche]