Proof explanation: Why is $(f \circ \gamma)'(t) = f'(\gamma(t))(\gamma ‘(t))$
Riemannian metric of a Kähler manifold
How to compute $\;\sum_{i=1}^{n} \sum_{j=1}^{i} \sum_{k=j}^{i+j} 1\;$
Application of corollary of Banach-Steinhaus theorem
If you see $A\div2B=C$, do you take $A\div 2B$ to be $(A\div 2)B$, or $A\div (2B)\,$
Nice proof that an expectation vanishes
How these two product came in $x^n-1$
$\epsilon$-$\delta$ proof of $\lim_{x \to 3} x^2 = 9$
Judgmental and propositional statements in homotopy type theory
When Must the Rate of Convergence be Worse on the Boundary