Bijection of two models
74455
Can a single sentence be used to distinguish between isomorphic classes of finite structures?
38242
Explicit bijection between the successor of $\alpha$ and $\alpha$ (infinite ordinal).
65971
Double dual mappings
13453
Bijection map from a set of subgroup to another set of subgroup under some condition.
31391
bijection between $\mathbb{N}$ and $\mathbb{N}\times\mathbb{N}$
141225
Number of all bijective functions from A to A.
1117
Is there a bijection between $(0,1)$ and $\mathbb{R}$ that preserves rationality?
64140
Find a bijection from $\mathbb R$ to $\mathbb R-\mathbb N$
98518
Cardinality of equivalence relations on N
15909
Bijection from $\mathbb R$ to $\mathbb {R^N}$
102827
When do surjections split in ZF? Two surjections imply bijection?
10458
How to define a bijection between $(0,1)$ and $(0,1]$?
67451
Building a bijection from a finite union of countable sets to $\mathbb{N}$
97810
bijective morphism of affine schemes
21663
Bijection between power sets of sets implies bijection between sets?
132868
Bijection between an infinite set and its union of a countably infinite set
127596
Composition of equivalence relations