logicism logician • logicist · · · Info · Definitions · Characters · · logicism · · Text Latin · · Script 8 · · Length Definitions · · · (noun) (philosophy) the philosophical theory that all of mathematics can be derived from formal logic. · · Noun Definition 1 Characters · · c latin small letter c U+0063 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F s latin small letter s U+0073