http://i54.tinypic.com/1z2q1dl.png for the first question, can i assume the non-empty set A has more than one element, and say a = something and b = something to give example.
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Originally Posted by Dakaa http://i54.tinypic.com/1z2q1dl.png for the first question, can i assume the non-empty set A has more than one element, and say a = something and b = something to give example. No, you can't. Choose for example . A little help: Reflexive For all we have . But because being , choosing we have . Conclusion: . Try the rest.
Originally Posted by FernandoRevilla No, you can't. Choose for example . A little help: Reflexive For all we have . But because being , choosing we have . Conclusion: . Try the rest. Yup, did the rest, now moving on to question 2.
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