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Where Does The Phrase “Cut The Mustard” Come From?As with many slang and idiomatic phrases, the origin can be a bit unclear. The first recorded use of the phrase cut the mustard was by O. Henry in 1907, in a story called The Heart of the West: “I looked around and found a proposition that exactly cut the mustard”. The modern sense of the idiom is ‘to succeed; to have the ability to do something; to come …
Origin of propositional calculus
First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for propositional calculus
the system of symbolic logic concerned only with the relations between propositions as wholes, taking no account of their internal structureCompare predicate calculus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012