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Feb
29
comment Homomorphisms vs Functors
Hm, so wikipedia seems to be mistaken about that: en.wikipedia.org/wiki/Homomorphism#Definition . Check out the last item in the list.
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16
accepted What branch of mathematics improves logical thinking?
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asked What branch of mathematics improves logical thinking?
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8
revised Function theory: codomain and image, difference between them
edited title
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Jan
8
comment Function theory: codomain and image, difference between them
Thanks a lot, Rasmus! But isn't square of complex number a rational number?
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accepted Function theory: codomain and image, difference between them
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asked Function theory: codomain and image, difference between them