Logicians of Greek inspiration apply the term reasoning or argument
to at least eight different intellectual operations, some of them
important indeed but only one of them argument. This is Analogy--which
receives but little notice from logicians because it does not give
certain conclusions. The operations mistaken for argument are:
Immediate Inference--
Arithmetical Calculation--
Geometrical Demonstration--
Induction--
Aristotle's Dictum--
Mediate Comparison--
Syllogism.