This proof is wrong. How? (See image in link below)
2786
The staircase paradox, or why $\pi\ne4$
144633
Verification of proof involving logarithms and limits
31783
Is this proof of $ab = 0$ correct?
55357
Why does drawing $\square$ mean the end of a proof?
6443
Is there a proof for this Fibonacci relationship?
141886
Incorrect notation in math?
148500
Understanding this theorem and how to go about proving it surjectivity?
40048
Finding the fallacy in this broken proof
39908
Finding the error in this proof that 1=2
19628
What is wrong with this fake proof $e^i = 1$?
100399
A doubt with a part of a certain proof.
88188
Explain proof by contradiction.
35751
Is There a Problem with This Professor's Proof Concerning Interior and Boundary Points?
53123
Trying to derive a contradiction with this simple inequality,
63559
Is there a more complete way of proving this theorem (that I devised)? OR does this theorem already exist and have a name?
50804
It seems obvious, but how to prove it formally?
24478
What is the name of this theorem, and are there any caveats?