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2d
answered Need help with proof of existence of $\sqrt{2}$
Apr
16
answered What are some illustrative examples that demonstrate how $\succ$ can differ in behavior from $>$ and/or $\geq$?
Apr
15
answered Consider the following expression about natural number: $\forall n\exists m: m^{2}=n$
Apr
15
answered Does set theory help understand machine learning or make new machine learning algorithms?
Apr
15
answered Why/How are there infinite points in a line segment?
Apr
12
answered if there is an injection between $A$ and $B$, does there exists an injection between $P(A) $ and $P(B)$?
Apr
12
answered Can a non-constant analytic function have infinitely many zeros on a closed disk?
Apr
11
answered Every nonprincipal ultrafilter on $\omega$ is uncountable.
Apr
10
answered Proof of infinite primes
Apr
8
asked functors with a morphism lifting property
Apr
7
answered Why is it true that every set in $\mathbb R^n$ can be covered by a countable union of open balls?
Apr
6
answered Sequences and real numbers
Apr
6
answered Do Equal Sets Have the Same Enumerations?
Apr
4
answered If you have a triangle with its mirror reflection, are they congruent?
Apr
2
answered Basis of a basis-linear algebra?
Apr
2
answered What is mathematical definition of a fluid?
Apr
1
answered What does “hom” stand for in hom-sets and hom-functors?
Mar
28
answered Linear Algebra Determinant problem
Mar
26
answered Discrete Mathematics- Counting Bit Strings
Mar
26
answered non-cartesian set product?