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Mathematics 21 Online
jgfbsfjkgbfjn:

Given: p is true Prove: p → q is true Assume ~q is true. Then ~q → r, and r → s. Since s → ~p, ~q → ~p by the law of syllogism. Therefore, p → q is true. What type of proof is illustrated above? A. proof by contradiction B. proof by contraposition C. proof by law of detachment D. proof by law of syllogism

jgfbsfjkgbfjn:

marcooooooooooo

Allison:

I think it's B.

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