Combining Texts

All the ideas for 'Critical Common-Sensism', 'Categories' and 'The Theory of Knowledge'

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

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7 ideas

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

18004

We can't do philosophy without knowledge of types and categories [Ryle]

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives

23476

Logical constants seem to be entities in propositions, but are actually pure form [Russell]

23477

We use logical notions, so they must be objects - but I don't know what they really are [Russell]

5. Theory of Logic / I. Semantics of Logic / 3. Logical Truth

18273

Logical truths are known by their extreme generality [Russell]

7. Existence / D. Theories of Reality / 8. Facts / d. Negative facts

22315

There can't be a negative of a complex, which is negated by its non-existence [Potter on Russell]

9. Objects / B. Unity of Objects / 3. Unity Problems / e. Vague objects

14797

Vagueness is a neglected but important part of mathematical thought [Peirce]

14798

All communication is vague, and is outside the principle of non-contradiction [Peirce]