Combining Texts
Ideas for
'Rationality in Action', 'What are Sets and What are they For?' and 'Contextualist Solutions to Scepticism'
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5 ideas
5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic
3809
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If complex logic requires rules, then so does basic logic [Searle]
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5. Theory of Logic / G. Quantification / 6. Plural Quantification
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If you only refer to objects one at a time, you need sets in order to refer to a plurality [Oliver/Smiley]
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14237
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We can use plural language to refer to the set theory domain, to avoid calling it a 'set' [Oliver/Smiley]
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5. Theory of Logic / I. Semantics of Logic / 1. Semantics of Logic
3810
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In real reasoning semantics gives validity, not syntax [Searle]
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5. Theory of Logic / I. Semantics of Logic / 3. Logical Truth
14245
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Logical truths are true no matter what exists - but predicate calculus insists that something exists [Oliver/Smiley]
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