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'', 'Tractatus Logico-Philosophicus' and 'Beyond Individualism'
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6 ideas
5. Theory of Logic / E. Structures of Logic / 1. Logical Form
18268
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Apparent logical form may not be real logical form [Wittgenstein]
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5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives
11210
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Standardly 'and' and 'but' are held to have the same sense by having the same truth table [Rumfitt]
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10905
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My fundamental idea is that the 'logical constants' do not represent [Wittgenstein]
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11212
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The sense of a connective comes from primitively obvious rules of inference [Rumfitt]
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5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / c. not
23493
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'Not' isn't an object, because not-not-p would then differ from p [Wittgenstein]
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5. Theory of Logic / E. Structures of Logic / 4. Variables in Logic
7784
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'Object' is a pseudo-concept, properly indicated in logic by the variable x [Wittgenstein]
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