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14h
revised Is $0$ a natural number?
added 50 characters in body
15h
revised Is $0$ a natural number?
style
22h
revised Is $0$ a natural number?
deleted 88 characters in body
22h
revised Is $0$ a natural number?
deleted 1 character in body
Jan
26
revised Are the polynomial functions on $S^1$ dense in $C(S^1,ℂ)$?
rolled back to a previous revision
Dec
18
revised If $u$ is a unit in $S$, then $u$ is a unit in $R$
deleted 2 characters in body
Dec
14
revised Calculate $\:\lim_\limits{ \Large_{z \to c}}\:\:{\frac{z^n - c^n}{z-c}} ~~ c,z \in \mathbb{C}\:$ without L'Hopital's rule
corrected the problem statement according to the edit
Dec
11
revised What does the theory of the empty set look like?
added 143 characters in body
Nov
21
revised Why is the union of two closed sets again closed in the Scott topology?
added 63 characters in body
Nov
21
revised Why is the union of two closed sets again closed in the Scott topology?
added 63 characters in body
Nov
13
revised Linear Algebra Help (Kernel, Linear Transformations)
added 1 character in body
Nov
7
revised Group actions and quotient groups
deleted 1 character in body
Nov
7
revised Group actions and quotient groups
added 65 characters in body
Nov
7
revised Is there a name for a monoid with a distinguished absorbing element?
deleted 181 characters in body
Nov
2
revised $R$ is a ring with p elements where p is a prime and has no zero divisors. Prove that $R$ is a field and is isomorphic to $\mathbb{Z}_p$.
added 36 characters in body
Nov
2
revised How to have idea to prove trigonometric identities
latex formatting and fixing the verb in the title
Oct
26
revised Problem in complex analysis .
simplified the argument so it generalizes to a broader class of functions
Oct
10
revised Show CA=CB iff A=B
added 21 characters in body
Oct
10
revised Show CA=CB iff A=B
added 21 characters in body
Oct
10
revised Suppose $0<a<1$. Show $\{a^n\}$decreasing, converges.
added 137 characters in body