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Consider the set $A$ of all triads $(a,b,c)$ such that $a+b>c$, $c+a>b$, $b+c>a$. Let the set of all triangles be $T$. Two elements of $T$ will be said to be the same if both of them are having the same sides. Does there exists a one-one correspondence between the sets $A$ and $T$?

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    Yes.$\qquad\quad$2012-05-24
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    @BrianM.Scott Hope you can provide a proof to justify your answer.2012-05-24
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    @Primeczar There is a tick mark on the side of each of the answers. Once you click on them it will turn green which means that you have accepted the answer. You may want to look here (http://meta.stackexchange.com/questions/5234/how-does-accepting-an-answer-work) for more details. Note that you can also up-vote and down-vote answers!2012-05-24

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