Prove ( A ∪ B ) − ( C ∪ D ) = ( ( A − C ) − D ) ∪ ( ( B − D ) − C)
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter5: Similar Triangles
Section5.2: Similar Polygons
Problem 12E: Using the names of property from Exercise 11, identify the property illustrated by each statement: a...
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Let A, B, C, and D be sets. Using only set operation definitions and propositional identities:
- Prove ( A ∪ B ) − ( C ∪ D ) = ( ( A − C ) − D ) ∪ ( ( B − D ) − C)
- Find a counterexample to disprove ( A ∪ B ) − ( C ∩ D ) = ( A − C ) ∩ ( B − D )
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