Ideas from 'The Theory of Knowledge' by Bertrand Russell [1913], by Theme Structure

[found in 'The Theory of Knowledge' by Russell,Bertrand (ed/tr Eames,ER /Blackwell,K) [Routledge 1992,0-415-08298-6]].

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5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives
Logical constants seem to be entities in propositions, but are actually pure form
We use logical notions, so they must be objects - but I don't know what they really are
5. Theory of Logic / I. Semantics of Logic / 3. Logical Truth
Logical truths are known by their extreme generality
7. Existence / D. Theories of Reality / 8. Facts / d. Negative facts
There can't be a negative of a complex, which is negated by its non-existence [Potter]