Combining Texts

All the ideas for 'Universal Arithmetick', 'Aristotelian commentaries' and 'The Theory of Knowledge'

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


7 ideas

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 [Russell]
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
Logical truths are known by their extreme generality [Russell]
6. Mathematics / B. Foundations for Mathematics / 5. Definitions of Number / b. Greek arithmetic
A number is not a multitude, but a unified ratio between quantities [Newton]
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 on Russell]
9. Objects / B. Unity of Objects / 1. Unifying an Object / a. Intrinsic unification
Unity by aggregation, order, inherence, composition, and simplicity [Conimbricense, by Pasnau]
12. Knowledge Sources / B. Perception / 2. Qualities in Perception / b. Primary/secondary
Secondary qualities come from temperaments and proportions of primary qualities [Conimbricense]