SOLUTION: I am having a hard time learning the rules of replacement. Can you help me solve this equation? 1) If I then S 2) If D, then not S The conclusion is not D or not I

SOLUTION: I am having a hard time learning the rules of replacement. Can you help me solve this equation? 1) If I then S 2) If D, then not S The conclusion is not D or not I

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Question 674749: I am having a hard time learning the rules of replacement. Can you help me solve this equation?
1) If I then S
2) If D, then not S
The conclusion is not D or not I
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!



(1)    :  Given

(2)    : Given

(3)    :  Law of Excluded Middle

(4)     :  (2) Modus Tolens

(5)    : (2) Modus Tolens

(6)   : (3)  (4) or (5)

John

Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it

The Out Campaign: Scarlet Letter of Atheism

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