Word Pronunciation & Dictionary

law of double negation

Word Rarity Rare

Frequency: Zipf frequency 2.84 in modern English

Syllables: law of -dou-ble nega-tion
IPA

29

Scrabble Score

19

Letters

4

Syllables

13

Unique Chars

Meaning

noun

The statement that the negation of the negation of A implies A, for any proposition A. Stated symbolically: ¬¬A→A.

Example Sentences

"The law of double negation is not valid intuitionistically. To show this with Heyting algebra semantics, let A#61;(0,1)#92;cup(1,2). Then #92;negA#61;(-#92;infty,0)#92;cup(2,#92;infty), #92;neg#92;negA#61;(0,2), #92;neg#92;negA#92;toA#61;(-#92;infty,1)#92;cup(1,#92;infty)#92;ne#92;mathbb#123;R#125;."

Questions

What does law of double negation mean?: The statement that the negation of the negation of A implies A, for any proposition A. Stated symbolically: ¬¬A→A.

How to pronounce law of double negation

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