prove the theorem "If n is odd, then n+1 is even" in the following ways: 1) Direct proof (Assume p, show q). 2) Proof by contraposition (Assume ~q, show ~p). 3) Proof by contradiction (Assume p and "q, then seek a contradiction).

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter2: Parallel Lines
Section2.CT: Test
Problem 3CT: To prove a theorem of the form "If P, then Q" by the indirect method, the first line of the proof...
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prove the theorem "If n is odd, then n+1 is even"
in the following ways:
1) Direct proof (Assume p, show q).
2) Proof by contraposition (Assume ~q, show ~p).
3) Proof by contradiction (Assume p and "q, then seek a contradiction).
Transcribed Image Text:prove the theorem "If n is odd, then n+1 is even" in the following ways: 1) Direct proof (Assume p, show q). 2) Proof by contraposition (Assume ~q, show ~p). 3) Proof by contradiction (Assume p and "q, then seek a contradiction).
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