Combining Texts

All the ideas for 'fragments/reports', 'Reflections on Knowledge, Truth and Ideas' and 'Investigations into Logical Deduction'

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

---

7 ideas

2. Reason / D. Definition / 1. Definitions

19426

'Nominal' definitions just list distinguishing characteristics [Leibniz]

5. Theory of Logic / H. Proof Systems / 4. Natural Deduction

13832

Natural deduction shows the heart of reasoning (and sequent calculus is just a tool) [Gentzen, by Hacking]

11. Knowledge Aims / A. Knowledge / 1. Knowledge

19424

Knowledge needs clarity, distinctness, and adequacy, and it should be intuitive [Leibniz]

18. Thought / C. Content / 2. Ideas

19427

True ideas represent what is possible; false ideas represent contradictions [Leibniz]

26. Natural Theory / A. Speculations on Nature / 6. Early Matter Theories / c. Ultimate substances

22745

Pherecydes said the first principle and element is earth [Pherecydes, by Sext.Empiricus]

26. Natural Theory / C. Causation / 2. Types of cause

19425

In the schools the Four Causes are just lumped together in a very obscure way [Leibniz]

29. Religion / D. Religious Issues / 2. Immortality / a. Immortality

5883	Pherecydes was the first to say that the soul is eternal [Pherecydes, by Cicero]