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Answer to Question #44546 in Algebra for JASHVINDER

Question #44546
Prove that if A and B are any two sets such that A ⊆ B, then A ∪ B = B
i) by direct method;
ii) by proving its contrapositive;
iii) by contradiction.
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Assignment Expert
05.08.14, 18:33

Dear jasvinder.
Please send more information on those errors to e-mail info@assignmentexpert.com.
Moreover, if you post a comment to the question, you can discuss it by means of words.  

jasvinder
04.08.14, 18:04

i am not able to post questions , for every time it shows wrong code typed, though I type the write code

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