What does the term "up to isomorphism" mean in this context?
140583
What does it mean for something to hold "up to isomorphism"?
41505
Transcendental Extensions. $F(\alpha)$ isomorphic to $F(x)$
52556
Isomorphism of $S^1$.
37041
Why is $\text{Aut}(F)$ of the forgetful functor $F$ on $G$-sets isomorphic to $G$?
96026
Intuition behind "Exclusive or"
136883
The class of equivalence.
97609
How do I understand the meaning of the phrase "up to~" in mathematics?
123282
free product with amalgamation is correspondingly a pushout
25728
A second isomorphism theorem for action on cosets
120968
Isomorphism of stabilizer over $S_n$ to $S_{n-1}$
93017
Isomorphism between $\Bbb R$ and $\Bbb R(X)$?
83744
is there a property of a category that is preserved by category isomorphism, but not equivalence?
35961
In what sense of "structure" do group homomorphisms "preserve structure"?
135337
What does "rigorous proof" mean?
9074
Example of non-isomorphic structures which are elementarily equivalent
152603
Group isomorphic to its automorphism group
134458
Isomorphisms preserving integral domains and fields