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posted by  ssc on 11/5/2009 12:59:07 AM  |  status: Live  |  Earned Karma: 18

methods of proof..contradiction

Course Textbook Chapter Problem Needs by
Discrete Math N/A N/A N/A 11/6/2009 at 11:00:00 PM
Question Details:
Prove by contradiction (A-B) ∩ (C-B) =                                 <---- = NULL
Hint: (if x ε (F-G) then x ε F and x /ε G)

please show each step!! thank you so much!!

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