SOLUTION: Don't know which step to begin with please help EvV [(EvO)vV]>~(VvM) /E

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Question 981175: Don't know which step to begin with please help
EvV
[(EvO)vV]>~(VvM)
/E

Answer by Edwin McCravy(20065)   (Show Source): You can put this solution on YOUR website!
Don't know which step to begin with please help
1.  EvV
2.  [(EvO)vV]>~(VvM)
                  /E

3.  [Ev(OvV)]>~(VvM)                2, Association
4.  [Ev(VvO)]>~(VvM)                3, Commutation    
5.  [(EvV)vO]>~(VvM)                4, Association
6.  ~[(EvV)vO]v~(VvM)               5, Material Implication
7.  {~(EvV)&~O]v~(VvM)              6, DeMorgan
8.  [~(EvV)v~(VvM)]&[~Ov~(VvM)]     7, Distribution
9.  [(EvV)>~(VvM)]&[~Ov~(VvM)]      8, Material Implication
10. (EvV)>~(VvM)                    9, Simplification
11. ~(VvM)                       10,1, Modus ponens
12  ~V&~M                          11, DeMorgan
13. ~V                             12, Simplification
14. VvE                             1, Commutation
15, E                              14, 15, Disjunctive syllogism

       
Edwin


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