Combining Texts
Ideas for
'Logical Consequence', 'Introduction to the Theory of Logic' and 'Evidentialism'
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5 ideas
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 |=
10899
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Γ |= φ if φ is true when all of Γ is true, for all structures and interpretations [Zalabardo]
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10893
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Γ |= φ for sentences if φ is true when all of Γ is true [Zalabardo]
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10695
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Logical consequence is either necessary truth preservation, or preservation based on interpretation [Beall/Restall]
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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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