Logic - Welcome to LOGIC - Local Government Investment Cooperative. LOGIC is a AAA rated local government investment pool created by Texas local government officials who log┬Ěic (l┼ĆjÔÇ▓─şk) n. 1. The study of the principles of reasoning, especially of the structure of propositions as distinguished from their content and of method and Logic, from Cl.ical Greek ╬╗¤î╬│╬┐¤é , originally meaning the word, but also referring to s.ch or reason is the science that evaluates reasoning within arguments. Logic (from the Ancient Greek: ╬╗╬┐╬│╬╣╬║╬«, logikßŞŚ), originally meaning "the word" or "what is spoken" (but coming to mean "thought" or "reason"), is generally Logic definition, the science that investigates the principles governing correct or reliable inference. See more. Logic - Comprehensive portfolio of logic families and functions Complete range of standard and mini-logic functions, including translator andog switches Define logic: a proper or reasonable way of thinking about or understanding something ÔÇö logic in a sentence Typi.y, a logic consists of a formal or informal language together with a deductive system and/or a-theoretic semantics. The language has components that Logic Pro X brings Touch Bar support and other powerful new tools to the studio. In a more modern interface. Logic, the study of correct reasoning, especially as it involves the drawing of inferences. This article discusses the basic elements and problems of contemporary Logic.