SOLUTION: Prove This: 1. B∨~C 2. B→E 3. ~~C ∴ ~B∨E

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Question 867064: Prove This:
1. B∨~C
2. B→E
3. ~~C ∴ ~B∨E

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
1. B∨~C
2. B→E
3. ~~C ∴ ~B∨E
-----------------
4. ~C ∨ B          1,   Commutation
5. B               4,3   Disjuntive Syllogism
6. E               2,5   Modus Ponens
7. E ∨ ~B          6,    Addition
8. ~B ∨ E          7     Commutation