Peirce arrow: Revision history

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20 October 2025

  • curprev 14:2914:29, 20 October 2025‎ Bfh-sts talk contribs‎ 889 bytes +889‎ Created page with "= Peirce arrow = The Peirce arrow (also called ''NOR'') is a logical operation that returns true only when both propositions are false. It is functionally complete, meaning all other logical operations can be expressed in terms of it. == Symbols == * p ↓ q (mathematical notation) * p NOR q (common name) * ¬(p ∨ q) (definition) == Definition == The Peirce arrow produces the negation of disjunction. == Truth Table == {| class="wikitable" ! p !! q !! p ↓ q |- |..."
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