but 2!==3
Actually they are equal, under the equivalence relation induced by the function f which is defined as:
f
x = y if and only if f(x) = f(y)
x = y
f(x) = f(y)
see "Equivalence kernel" here en.wikipedia.org/wiki/Equivalence_...
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Actually they are equal, under the equivalence relation induced by the function
fwhich is defined as:see "Equivalence kernel" here en.wikipedia.org/wiki/Equivalence_...