Question: 1. Using truth table prove that: a) ((A O B), B) l--A (whereO designates the exclusive or) c) ((A V B),-B) l-A 2. Given KB-{
1. Using truth table prove that: a) ((A O B), B) l--A (where"O" designates the exclusive "or") c) ((A V B),-B) l-A 2. Given KB-{ p (q O r), (p^ q)) and a) Using the inference rules (seen in the lecture and the above a), b), c) as well) to prove that KB|-. r
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