Logic

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Why is C.I. Lewis' strict implication not taken seriously in this day and age?
Clarence Irving Lewis was known for criticizing material implication and for instead proposing strict implication. Why is he, his criticisms, and his proposed strict implication not taken seriously today? Many contemporary logic, philosophy, and mathematical texts refer to material implication rather than strict implication.
Accepted:May 24, 2012

Accepted:

May 24, 2012