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Single Idea 22281
[filed under theme 10. Modality / B. Possibility / 8. Conditionals / c. Truth-function conditionals
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Full Idea
What the material conditional most significantly fails to capture is counterfactual reasoning.
Gist of Idea
A material conditional cannot capture counterfactual reasoning
Source
Michael Potter (The Rise of Analytic Philosophy 1879-1930 [2020], 04 'Sem')
Book Ref
Potter,Michael: 'The Rise of Anaytic Philosophy 1879-1930' [Routledge 2020], p.34
A Reaction
The point is that counterfactuals say 'if P were the case (which it isn't), then Q'. But that means P is false, and in the material conditional everything follows from a falsehood. A reinterpretation of the conditional might embrace counterfactuals.
The
17 ideas
from 'The Rise of Analytic Philosophy 1879-1930'
22273
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Traditionally there are twelve categories of judgement, in groups of three
[Potter]
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22279
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Frege's sign |--- meant judgements, but the modern |- turnstile means inference, with intecedents
[Potter]
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22281
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A material conditional cannot capture counterfactual reasoning
[Potter]
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22283
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Compositionality should rely on the parsing tree, which may contain more than sentence components
[Potter]
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22282
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'Direct compositonality' says the components wholly explain a sentence meaning
[Potter]
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22284
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'Greater than', which is the ancestral of 'successor', strictly orders the natural numbers
[Potter]
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22285
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Impredicative definitions are circular, but fine for picking out, rather than creating something
[Potter]
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22291
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Deductivism can't explain how the world supports unconditional conclusions
[Potter]
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22287
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If 'concrete' is the negative of 'abstract', that means desires and hallucinations are concrete
[Potter]
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22290
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The phrase 'the concept "horse"' can't refer to a concept, because it is saturated
[Potter]
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22295
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Modern logical truths are true under all interpretations of the non-logical words
[Potter]
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22296
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Compositionality is more welcome in logic than in linguistics (which is more contextual)
[Potter]
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22298
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Why is fictional arithmetic applicable to the real world?
[Potter]
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22301
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The Identity Theory says a proposition is true if it coincides with what makes it true
[Potter]
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22310
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The formalist defence against Gödel is to reject his metalinguistic concept of truth
[Potter]
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22324
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It has been unfortunate that externalism about truth is equated with correspondence
[Potter]
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22327
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Knowledge from a drunken schoolteacher is from a reliable and unreliable process
[Potter]
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