Format imo
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6 Nov 2006, 14:49
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Journals
Suppose that R1 and R2 are equivalence relations on the set S. Determine whether each of these combinations of R1 and R2 must be an equivalance relation.
a) R1 or R2
b) R1 and R2
c) R1 exclusive or R2
a) R1 or R2
b) R1 and R2
c) R1 exclusive or R2
b [x]
c []
Nice edit :P
what made you choose the nickname swas?
if delta > 0
A. Zero, because all the Poles are in Eastern Europe.