Proving that two real functions are equal
64487
Continuous function and dense set
34223
Prove that every function that verifies $|f(x)-f(y)|\leq(x-y)^2$ for all $x,y$ is constant.
102307
Discrete Math Proofs Involving Real Numbers
88603
verify equicontinuous functions
25788
Prove that $i^i$ is a real number
58664
Proving a function is continuous for a fixed variable
19457
Show that: $\inf(A+B) = \inf(A)+ \inf(B)$
64866
Proving a Composition of Functions is Bijective
121771
Proof $f(x)\equiv 0$
108045
Show that are logically equivalent
96286
Proving that sum of two measurable functions is measurable.
116009
Proving that if a set is both open and closed then it is equal to the real numbers
105172
Prove that the entire function is constant over certain conditions.
43197
Showing that two definitions of $\limsup$ are equivalent
1821
Proving $f(C) \setminus f(D) \subseteq f(C \setminus D)$ and disproving equality
50342
Proving that a Function is Analytic Given that it is Equal to the Complex Conjugate of an analytic Function
1932
How to show this equality of $\rho(X,Y)$