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"coincide on a set" vs "coincide in a set" My netnews!
jaakov (jaakov@roREMOVEIT.ru) 2011/04/30 04:43
Dear all:

What is correct, what sounds better:

Two maps f,g coincide on a set X if f|_X=g|_X.

Or

Two maps f,g coincide in a set X if f|_X=g|_X.

Thank you in advance
Jaakov.
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