Sheffer's stroke
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noun
logic a function of two sentences, equivalent to the negation of their conjunction, and written p | q (p and q are both not true) where p,q, are the arguments: p | q is false only when p,q are both true. It is possible to construct all truth functions out of this one alone
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Word Origin for Sheffer's stroke
named after H. M. Sheffer (1883–1964), US philosopher
Words nearby Sheffer's stroke
sheet metal, sheet music, sheet pile, Sheetrock, sheet-web weaver, Sheffer's stroke, Sheffield, Sheffield Lake, Sheffield plate, Sheffield Shield, shegetz
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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