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seen Apr 17 at 13:18

Apr
17
comment Alternative ways to say “if and only if”?
@AlexB. I don't follow why that is circular. Surely you want to say both: "If a group G is called simple, then these conditions hold." and "If these conditions hold, then group G is simple."
Mar
12
comment Proving that an infinite set is uncountable.
For a set S to be countable there must exist an injection from N -> S, where N is the set of natural numbers.
Mar
11
awarded  Yearling
Mar
11
awarded  Commentator
Mar
11
comment Two different coins on a chessboard
Remember to mark the question as the accepted answer if you think it is worthy.
Mar
11
accepted Are there any other functions that behave the same as $ce^x$ with respect to differentiation
Mar
11
comment Are there any other functions that behave the same as $ce^x$ with respect to differentiation
What do you mean by the constants will be different? Wouldn't you get the function $ce^x$, but defined on the domain $(-\infty, 0) \cup (0, \infty)$ when you differentiate it?
Mar
11
comment Are there any other functions that behave the same as $ce^x$ with respect to differentiation
@N.S. Can you elaborate on this?
Mar
11
revised Are there any other functions that behave the same as $ce^x$ with respect to differentiation
edited title
Mar
11
asked Are there any other functions that behave the same as $ce^x$ with respect to differentiation
Mar
11
comment Two different coins on a chessboard
Does this answer your question?
Mar
11
comment Two different coins on a chessboard
Updated my answer
Mar
11
revised Two different coins on a chessboard
added 320 characters in body
Mar
11
answered Two different coins on a chessboard
Mar
11
comment Primitives in unique factorisation domains
What is $Z_2[X]$?
Mar
11
revised Primitives in unique factorisation domains
added 42 characters in body
Mar
11
revised Primitives in unique factorisation domains
deleted 48 characters in body
Mar
11
revised Primitives in unique factorisation domains
added 34 characters in body
Mar
11
comment Primitives in unique factorisation domains
Ahh, because if it divides both, $ p^2 \mid a_0 $
Mar
11
awarded  Editor