/ Thesaurus / P Synonyms of propositional logic Find synonyms for: Noun1. propositional logic, propositional calculus, symbolic logic, mathematical logic, formal logicusage: a branch of symbolic logic dealing with propositions as units and with their combinations and the connectives that relate themWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language