I got an assignment I need some "help" with.. example:
(1) 1. (M ∙ R) S
2. P v M
3. N ~P
a. ~P ~N 3, Trans.
b. (M ∙ R) v S 1, Impl.
c. (M R) S 1, Exp.
d. M (R S) 1, Exp.
e. P ~M 2, Implic.
If this makes sense to you and you are really good at it.. name your price. I got 20 questions.