Combining Texts
Ideas for
'Truth (frags)', 'Logical Consequence' and 'The Concept of Logical Consequence'
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5 ideas
5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence
18812
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Split out the logical vocabulary, make an assignment to the rest. It's logical if premises and conclusion match [Tarski, by Rumfitt]
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5. Theory of Logic / B. Logical Consequence / 2. Types of Consequence
10691
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Logical consequence needs either proofs, or absence of counterexamples [Beall/Restall]
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5. Theory of Logic / B. Logical Consequence / 4. Semantic Consequence |=
10695
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Logical consequence is either necessary truth preservation, or preservation based on interpretation [Beall/Restall]
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13344
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X follows from sentences K iff every model of K also models X [Tarski]
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5. Theory of Logic / B. Logical Consequence / 8. Material Implication
10689
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A step is a 'material consequence' if we need contents as well as form [Beall/Restall]
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