How to describe all the functions which are also equivalence relations
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Originally Posted by koukou8617 How to describe all the functions which are also equivalence relations What does that even mean?
Originally Posted by koukou8617 How to describe all the functions which are also equivalence relations Please try to explain exactly what you are trying to ask.
I guess he's thinking of a function as this: such that for every there exists a unique such that from which it follows immediately that if is to be an equivalence relation then (because of reflexivity) ie.
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