law of double negation (0 synonym found)

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Definition of law of double negation:

°The statement that the negation of the negation of A implies A, for any proposition A. Stated symbolically: .
"The law of double negation is not valid intuitionistically. To show this with Heyting algebra semantics, let . Then , ,  ."
Definition of law of double negation:

°The statement that the negation of the negation of A implies A, for any proposition A. Stated symbolically: .
"The law of double negation is not valid intuitionistically. To show this with Heyting algebra semantics, let . Then , ,  ."
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