Combining Texts
Ideas for
'Writing the Book of the World', 'The Concept of Truth for Formalized Languages' and 'Letter to Bramhall'
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12 ideas
5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic
14980
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There is a real issue over what is the 'correct' logic [Sider]
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15000
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'It is raining' and 'it is not raining' can't be legislated, so we can't legislate 'p or ¬p' [Sider]
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5. Theory of Logic / A. Overview of Logic / 6. Classical Logic
15020
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Classical logic is good for mathematics and science, but less good for natural language [Sider]
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5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence
15029
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Modal accounts of logical consequence are simple necessity, or essential use of logical words [Sider]
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5. Theory of Logic / D. Assumptions for Logic / 4. Identity in Logic
18759
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Identity is invariant under arbitrary permutations, so it seems to be a logical term [Tarski, by McGee]
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5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives
15019
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Define logical constants by role in proofs, or as fixed in meaning, or as topic-neutral [Sider]
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5. Theory of Logic / F. Referring in Logic / 1. Naming / c. Names as referential
10823
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A name denotes an object if the object satisfies a particular sentential function [Tarski]
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5. Theory of Logic / H. Proof Systems / 4. Natural Deduction
15001
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'Tonk' is supposed to follow the elimination and introduction rules, but it can't be so interpreted [Sider]
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5. Theory of Logic / I. Semantics of Logic / 1. Semantics of Logic
18756
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Tarski built a compositional semantics for predicate logic, from dependent satisfactions [Tarski, by McGee]
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19313
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Tarksi invented the first semantics for predicate logic, using this conception of truth [Tarski, by Kirkham]
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5. Theory of Logic / J. Model Theory in Logic / 1. Logical Models
16323
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The object language/ metalanguage distinction is the basis of model theory [Tarski, by Halbach]
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5. Theory of Logic / L. Paradox / 6. Paradoxes in Language / a. The Liar paradox
8940
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Tarski avoids the Liar Paradox, because truth cannot be asserted within the object language [Tarski, by Fisher]
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