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Sep
10
reviewed Reviewed Why does X divided by zero not equal X?
Sep
10
comment Why does X divided by zero not equal X?
I'm sorry, but your analogy makes little sense. Multiplication, division and zero are well-defined mathematical concepts that you cannot simply discuss away or re-interpret as you like.
Sep
10
revised “Monotone Convergence Theorem” $\implies$ “least upper bound property”
Type in the title
Sep
10
reviewed Leave Open Fitting cubes inside a bigger cube
Sep
9
reviewed Leave Open Positive conditional expectation
Sep
9
reviewed Close Does the formula $(x^n)' = nx^{n-1}$ fail for some value of $n \in \mathbb{Z}$?
Sep
8
reviewed Close Primary decomposition of an ideal (exercise in Reid)
Sep
8
awarded  Custodian
Sep
8
reviewed Approve finite subgroups of SO(3)
Sep
8
reviewed Looks OK Mathematical Induction problem
Sep
8
reviewed Edit How every element of a group generates a cyclic subgroup?
Sep
8
revised How every element of a group generates a cyclic subgroup?
formatting
Sep
8
reviewed Leave Open Left multiplication by invertible matrix.
Sep
8
reviewed Reviewed subset problem (set theory)
Sep
8
reviewed Close For what integer $e$ is a group $G$ necessarily Abelian?
Sep
7
reviewed Leave Open Function $f(x)$ such that $f(x-i)+f(x)=\frac{1}{x^2}$
Sep
7
reviewed No Action Needed How to solve this equality for $S$
Sep
7
reviewed Reject $a+b\sqrt{2}$ not a root of monic polynomial over $\mathbb{Z}$
Sep
7
reviewed Approve Localness of the UFD Property
Sep
7
reviewed Approve Map Earth surface so straight line distance is great circle distance?