I have a question regarding no. 8 and 9. Can you explain what happened there? Also, is it not that we use ~A^A instead of ~AvD?
I have a question regarding no. 8 and 9. Can you explain what happened there? Also, is it not that we use ~A^A instead of ~AvD?
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
Section2.2: Indirect Proof
Problem 12E: Which of the following statements would you prove by the indirect method? a If ACAB in ABC, then...
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I have a question regarding no. 8 and 9. Can you explain what happened there? Also, is it not that we use ~A^A instead of ~AvD?
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