Is the injective in set theory always the monomorphism in the category?
34300
"Natural" categories where monomorphisms differ from injective morphisms
53168
Surjective, Injective, Bijective Functions from $\mathbb Z$ to itself
70797
Why doesn't the definition of a category require an explicit notion of morphisms equality?
118354
Epimorphism and Monomorphism = Isomorphism?
76674
Let $S:U\rightarrow V, \ T:V\rightarrow W$ and if $S$ and $T$ are both injective/surjective, is $T\circ S$ injective/surjective?
28154
Riehl's Category Theory in Context - Exercise 2.1.iv.
138258
What is the injective envelope of $\mathbb{Z}/n\mathbb{Z}$?
97854
Difference between bijection and isomorphism?
20030
Is an equivalence an adjunction?
133083
Injectivity and surjectivity of a recursive function
38691
Injectivity of Homomorphism in Localization
111689
Surjective, but not injective endomorphism
21663
Bijection between power sets of sets implies bijection between sets?
45710
Finishing a proof: $f$ is injective if and only if it has a left inverse
152438
Is the composition of two injective functions injective?
25997
Conditions Equivalent to Injectivity
94165
Why is a map to a smaller dimensional space not injective?