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Feb
19
awarded  Popular Question
Feb
7
answered if $-a\leq b\leq a$, then $|b|\leq a$
Feb
7
comment Uniform convergence of sequence of convex functions
@DelioMugnolo I saw it in a test a long time ago.
Jan
30
awarded  Yearling
Dec
6
awarded  Popular Question
Jun
25
answered Is it possible to work out the derivative of $e^x$ using the summation definition of $e = \sum_n 1/n!$?
Apr
22
awarded  Popular Question
Feb
20
awarded  Popular Question
Feb
5
awarded  Popular Question
Jan
30
awarded  Yearling
Sep
24
awarded  Autobiographer
Sep
8
awarded  Popular Question
Jul
2
answered How can I prove that $2^{n+2}\mid(2n+3)!$?
Jul
2
awarded  Curious
Jul
2
awarded  Inquisitive
Jun
14
awarded  Nice Question
Jun
12
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Apr
16
awarded  Benefactor
Apr
16
accepted Showing the set $A+B$ is closed.
Apr
16
comment Showing the set $A+B$ is closed.
ok thanks! that was really cool. I didnt know much about embeddings.