/ahr"gyeuh meuhnt/, n.1. an oral disagreement; verbal opposition; contention; altercation: a violent argument.2. a discussion involving differing points of view; debate: They were deeply involved in an argument about inflation.3. a process of reasoning; series of reasons: I couldn't follow his argument.4. a statement, reason, or fact for or against a point: This is a strong argument in favor of her theory.5. an address or composition intended to convince or persuade; persuasive discourse.6. subject matter; theme: The central argument of his paper was presented clearly.7. an abstract or summary of the major points in a work of prose or poetry, or of sections of such a work.8. Math.a. an independent variable of a function.b. Also called amplitude. the angle made by a given vector with the reference axis.c. the angle corresponding to a point representing a given complex number in polar coordinates. Cf. principal argument.9. Computers. a variable in a program, to which a value will be assigned when the program is run: often given in parentheses following a function name and used to calculate the function.10. Obs.a. evidence or proof.b. a matter of contention.[1325-75; ME ( < OF) < L argumentum. See ARGUE, -MENT]Syn. 1. ARGUMENT, CONTROVERSY, DISPUTE imply the expression of opinions for and against some idea. An ARGUMENT usually arises from a disagreement between two persons, each of whom advances facts supporting his or her own point of view. A CONTROVERSY or a DISPUTE may involve two or more persons. A DISPUTE is an oral contention, usually brief, and often of a heated, angry, or undignified character: a violent dispute over a purchase. A CONTROVERSY is an oral or written expression of contrary opinions, and may be dignified and of some duration: a political controversy.
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* * *▪ reasonin logic, reasons that support a conclusion, sometimes formulated so that the conclusion is deduced from premises. Erroneous arguments are called fallacies in logic (see fallacy). In mathematics, an argument is a variable in the domain of a function and usually appears symbolically in parentheses following the functional symbol.
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