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Unformatted text preview: Example Proof 2 Prove that for any two sets A and B that B A B A Statement Justification Let x be an arbitrary element of B A Given B x A x and Definition of intersection Since A x , B A x Definition of union Since x is an arbitrary element, all elements of B A must be B A Definition of inclusion B A B A Definition of subset...
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This note was uploaded on 10/02/2009 for the course CSCI 1900201 taught by Professor Billpine during the Spring '09 term at East Tennessee State University.
 Spring '09
 BillPine
 Computer Science

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