The argument must be well-founded, that is, sufficient facts or correct reasons must be cited to prove the correctness of the argument. The facts and reasons used to prove an argument are called arguments. Debate, according to its own nature and characteristics, can be divided into factual debate and rational debate (also known as rational debate).

Deduction from argument to theme in proof. Through reasoning, sometimes a series of reasoning methods. Therefore, argumentation must abide by the rules of reasoning. Sometimes logicians refer to "proof" as "argument" and "argument" as "mode of argument". Any argument consists of three elements: topic, argument and argument method.