If I do my chores, then I earn an allowance. If I earn an allowance, then I can go to the movies. If Simon does his chores and is able to go the movies. Which law justifies this example.

Question

A.Law of Detachment

B.Law of syllogism

C.Law of Contrapositives

Answer 1

Detachment: if p then q, p so q

Syllogism: if a then b, and if b then c, if a then c

Contrapositives: if a then b, if ~b then ~a

Which one?