SOLUTION: Either the mind is identical to the brain, or it is immaterial. If the mind is immaterial, it doesn�t make any difference. The mind makes a difference. Therefore, the mind is ident

Question 1028615: Either the mind is identical to the brain, or it is immaterial. If the mind is immaterial, it doesn�t make any difference. The mind makes a difference. Therefore, the mind is identical to the brain. (B, I, D)

Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
1. B v I -----> hypothesis
2. I-->~D -----> hypothesis
3. D -----> hypothesis
4. D-->~I -----> contrapositive of #2
5. ~I -----> modus ponens on #3 and #4
6. B -----> disjunctive syllogism on #1 and #5.

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