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3. Using propositions aided by two-column proof, show that AAB = AUB. (Just choose one direction to exhibit.) 4. Using laws of set theory aided by two-column proof, show that AU(B-C) (AUB)-(C- A).

3. Using propositions aided by two-column proof, show that AAB = AUB. (Just choose one direction to exhibit.) 4. Using laws of set theory aided by two-column proof, show that AU(B-C) (AUB)-(C- A).

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 16CT: Let P represent any statement. Classify as true or false. a P and P b P or P
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3. Using propositions aided by two-column proof, show that AA B = AUB. (Just choose one direction to exhibit.) 4. Using laws of set theory aided by two-column proof, show that AU(B-C) (AUB)-(C-A).
Transcribed Image Text:3. Using propositions aided by two-column proof, show that AA B = AUB. (Just choose one direction to exhibit.) 4. Using laws of set theory aided by two-column proof, show that AU(B-C) (AUB)-(C-A).
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