Philosophy Lexicon of Arguments

 
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HC I 34f
Paradoxies of material implication/Hughes/Cresswell: a true proposition (statement) is implied materially by any other proposition - a false proposition implies materially any proposition - (material, not strict!) - paradoxes of strict implication: a necessary proposition implies strictly any arbitrary proposition, - an impossible is strictly implied by each - solution: (p strimp q) simply means that q-and-not-p is impossible.
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HC I 191
Paradoxy of material implication: summarized: of two statements, the first always implies the second or vice versa.


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Explanation of symbols: Roman numerals indicate the source, arabic numerals indicate the page number. The corresponding books are indicated on the right hand side. ((s)…): Comment by the sender of the contribution.

Cr I
M. J. Cresswell
Semantical Essays (Possible worlds and their rivals) Dordrecht Boston 1988

Cr II
M. J. Cresswell
Structured Meanings Cambridge Mass. 1984


> Counter arguments against Cresswell

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Ed. Martin Schulz, access date 2017-09-21