Combining Texts
Ideas for
'Against Coherence', 'Introduction to the Philosophy of Mind' and 'Introduction to the Theory of Logic'
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7 ideas
5. Theory of Logic / I. Semantics of Logic / 1. Semantics of Logic
10898
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The semantics shows how truth values depend on instantiations of properties and relations [Zalabardo]
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10902
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We can do semantics by looking at given propositions, or by building new ones [Zalabardo]
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5. Theory of Logic / I. Semantics of Logic / 2. Formal Truth
10892
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We make a truth assignment to T and F, which may be true and false, but merely differ from one another [Zalabardo]
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5. Theory of Logic / I. Semantics of Logic / 3. Logical Truth
10900
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Logically true sentences are true in all structures [Zalabardo]
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10895
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'Logically true' (|= φ) is true for every truth-assignment [Zalabardo]
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5. Theory of Logic / I. Semantics of Logic / 4. Satisfaction
10894
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A sentence-set is 'satisfiable' if at least one truth-assignment makes them all true [Zalabardo]
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10901
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Some formulas are 'satisfiable' if there is a structure and interpretation that makes them true [Zalabardo]
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