SOLUTION: may you please help me with solving: 1. O -> P P -> ~P _______

SOLUTION: may you please help me with solving: 1. O -> P P -> ~P ________ |- ~O

Question 243039: may you please help me with solving:
1. O -> P
P -> ~P
________
|- ~O

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

1.  O -> P
2.  P -> ~P       |- ~O
----------------
3.  ~P v ~P             2    Material Implication
4.  ~P                  3    Tautology
5.  ~O                  1,4  Modus Tollens

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