Combining Texts

All the ideas for 'Letters to Wagner', 'works' and 'Substitutional Classes and Relations'

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6 ideas

2. Reason / D. Definition / 1. Definitions

15927

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

2. Reason / D. Definition / 7. Contextual Definition

21560

Any linguistic expression may lack meaning when taken out of context [Russell]

2. Reason / F. Fallacies / 8. Category Mistake / a. Category mistakes

21561

'The number one is bald' or 'the number one is fond of cream cheese' are meaningless [Russell]

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / p. Axiom of Reducibility

18130

Axiom of Reducibility: there is always a function of the lowest possible order in a given level [Russell, by Bostock]

8. Modes of Existence / A. Relations / 1. Nature of Relations

21562

There is no complexity without relations, so no propositions, and no truth [Russell]

26. Natural Theory / A. Speculations on Nature / 7. Later Matter Theories / a. Early Modern matter

19436

Bare or primary matter is passive; it is clothed or secondary matter which contains action [Leibniz]