Are surjective functions a pointless concept?
58023
What is the purpose of a function being surjective?
62479
A isometric map in metric space is surjective?
6023
Surjectivity of Composition of Surjective Functions
153510
Questions about the existence of a function
127664
Inverse elements in the absence of identities/associativity.
40868
Composition of two functions - Bijection
11813
Injective functions also surjective?
89058
Question on finite Vector Spaces, injective, surjective and if $V$ is not finite
124847
Is the set of surjective functions from $\mathbb{N}$ to $\mathbb{N}$ uncountable?
63146
Proof of properties of injective and surjective functions.
99671
Are surjective sheaf morphisms locally surjective?
118192
Is there a bijective function $f: \mathbb{R}\to\mathbb{R}$ that is discontinuous?
106768
Recognizing that a function has no elementary antiderivative
80626
Is this an equivalent formulation of "surjective" resp. "epimorphism"?
39189
Argue by contradiction to show that there is no surjection...
93040
$f$ is surjective iff it has a right inverse: using the axiom of choice and errors in ProofWiki
13193
Does a inverse function need to be either surjective or injective?