Why the zero morphism is independent of the zero object?
100716
Zero morphism does not depend on zero object
52012
Is there exist a homemoorphism between either pair of $(0,1),(0,1],[0,1]$
120407
Is every noninvertible matrix a zero divisor?
99154
Why is the covariant derivative of the metric tensor zero?
121987
Direct proof that nilpotent matrix has zero trace
35569
Prove that $[0,1]$ isn't homeomorphic to $\mathbb{R}$
94727
When the trace of the Frobenius homomorphism is zero?
131000
A proof of a criterion of vanishing of a function.
44843
What is the difference between $|0\rangle $ and $0$?
7813
In a complex vector space, $\langle Tx,x \rangle=0 \implies T = 0$
119947
Can a non-zero vector have zero image under every linear functional?
107888
Why zero correlation does not necessarily imply independence
160
homeomorphism non-example
96047
Why are two universal objects isomorphic?
157266
Can a nonzero polynomial evaluate to the zero function in a suitable infinite ring of char 0?
158546
In what sense is the forgetful functor $Ab \to Grp$ forgetful?
25383
Morphism between quotient sheaf ($K_{X}/\mathcal{O}_{X}$) and $\bigoplus_{x\in\mathcal{X}}i_{x,*}(K(X)/\mathcal{O}_{X,x})$