Combining Texts

All the ideas for 'Letters to Paul Pellison-Fontinier', 'Introduction to Aesthetics' and 'Investigations into Logical Deduction'

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4 ideas

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]

21. Aesthetics / B. Nature of Art / 6. Art as Institution

8114	The institutional theory says only a competent expert can decree something to be an art work [Dickie, by Gardner]

27. Natural Reality / A. Classical Physics / 1. Mechanics / c. Forces

12719

Clearly, force is that from which action follows, when unimpeded [Leibniz]

27. Natural Reality / D. Time / 1. Nature of Time / i. Denying time

12720

Time doesn't exist, since its parts don't coexist [Leibniz]