Synonyms:
argumentation, logical_argument, argument, line_of_reasoning, line
Meaning: a course of reasoning aimed at demonstrating a truth or falsehood; the methodical process of logical reasoning; "I can't follow your line of reasoning"
Synonyms:
argument, argumentation, debate
Meaning: a discussion in which reasons are advanced for and against some proposition or proposal; "the argument over foreign aid goes on and on"