PhilosophyIdeas
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All the ideas for 'True Method in Philosophy and Theology', 'Universal Arithmetick' and 'The Life of Reason'
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3 ideas
1. Philosophy / C. History of Philosophy / 1. History of Philosophy
8000
He who is ignorant of the history of philosophy is doomed to repeat it
[Santayana, by MacIntyre]
6. Mathematics / B. Foundations for Mathematics / 5. Definitions of Number / b. Greek arithmetic
17783
A number is not a multitude, but a unified ratio between quantities
[Newton]
7. Existence / A. Nature of Existence / 6. Criterion for Existence
19393
What is not active is nothing
[Leibniz]