Combining Texts

All the ideas for 'Two Problems of Epistemology', 'Commentary on Euclid's 'Elements'' and 'Nominalism and Realism'

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

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4 ideas

8. Modes of Existence / D. Universals / 2. Need for Universals

4032	The problem of universals is how many particulars can all be of the same 'type' [Armstrong]

14. Science / A. Basis of Science / 6. Falsification

18284

Particulars can be verified or falsified, but general statements can only be falsified (conclusively) [Popper]

14. Science / D. Explanation / 2. Types of Explanation / g. Causal explanations

13165

Geometrical proofs do not show causes, as when we prove a triangle contains two right angles [Proclus]

18. Thought / E. Abstraction / 1. Abstract Thought

9569	The origin of geometry started in sensation, then moved to calculation, and then to reason [Proclus]