Combining Texts

All the ideas for 'Symbolic Reasoning', 'works' and 'A General Principle to Explain Laws of Nature'

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

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4 ideas

1. Philosophy / D. Nature of Philosophy / 2. Invocation to Philosophy

19395

Philosophy is sanctified, because it flows from God [Leibniz]

4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set

21548

The null class is the class with all the non-existents as its members [MacColl, by Lackey]

9. Objects / F. Identity among Objects / 1. Concept of Identity

19394

Inequality can be brought infinitely close to equality [Leibniz]

13. Knowledge Criteria / C. External Justification / 1. External Justification

3568	Surely ALL truths are externally justified, by the facts? [Cross,A]