Combining Texts

All the ideas for 'Leibniz: Guide for the Perplexed', 'The Same F' and 'The Concept of Logical Consequence'

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

---

4 ideas

5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence

14181

Validity is where either the situation or the interpretation blocks true premises and false conclusion [Etchemendy, by Read]

14180

Etchemendy says fix the situation and vary the interpretation, or fix interpretations with varying situations [Etchemendy, by Read]

9. Objects / B. Unity of Objects / 2. Substance / d. Substance defined

19347

Substance needs independence, unity, and stability (for individuation); also it is a subject, for predicates [Perkins]

9. Objects / F. Identity among Objects / 3. Relative Identity

12155

Statements of 'relative identity' are really statements of resemblance [Perry]