The state of being argumentative.

(logic) The result of replacing parts of an argument with letters, leaving only logic words such as "if" and "for all" unreplaced.

plural of argument form

(law) A portion of a legal proceeding wherein the attorneys present their argument by speaking directly to the judge and answering the judge's questions.

(law) In adversarial legal systems, a statement made by either party at the beginning of a trial or comparable factfinding proceeding, in which that party lays out their case, generally including the points of fact that they intend to demonstrate and to some degree indicating the rhetorical arguments for why they should prevail.

plural of argument-form

(philosophy) An argument in favour of a right to abortion that appeals to a thought experiment in which a person with a rare blood type is kidnapped and plugged into a famous unconscious violinist with a fatal kidney ailment; if the violinist is unplugged, he will die, but if he stays plugged into the kidnappee for nine months, he will recover from his ailment. The argument assumes that in this hypothetical scenario, the kidnappee has the right to unplug themselves from the violinist at any time even if this will cause his death, because the violinist does not have a right to the kidnappee’s body.

An informal fallacy whereby a concept is explained in terms of the concept itself, recursively.

A flawed argument.

A proof, developed by Georg Cantor, to show that the set of real numbers is uncountably infinite.