Proof by Wang’s Algorithm
Write the hypothesis as a “sequent”.
(Eliminate ->)
Place the premises on the left-hand side separated by commas, and place the conclusion on the right hand side.
1. (P ^ (~P v Q)) => Q.
2. P, ~P v Q => Q.
3a. P, ~P => Q; 3b. P, Q => Q.
4a. P => Q, P;
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