Double negation: Revision history

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20 October 2025

  • curprev 14:3014:30, 20 October 2025‎ Bfh-sts talk contribs‎ 689 bytes +689‎ Created page with "= Double negation = The law of double negation states that the negation of a negation returns the original proposition. == Statement == * ¬(¬p) ≡ p == Explanation == If it is not the case that ''p'' is false, then ''p'' must be true. This allows simplification of expressions with two consecutive negations. == Example == * "It is not true that it is not raining" is equivalent to "It is raining". * In Python: <code>not (not p)</code> evaluates to the same as <cod..."
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