Proofs my Contradiction
1305
Proving the AM-GM inequality for 2 numbers $\sqrt{xy}\le\frac{x+y}2$
128843
Rolle's Theorem Contradiction
20863
how do I prove this inequallity?
1821
Proving $f(C) \setminus f(D) \subseteq f(C \setminus D)$ and disproving equality
118577
Fallacious proof involving trigonometry
106979
Prove the inequality and limitation
139841
Proving $A\setminus(B\setminus C)$ is not equal to $(A\setminus B)\setminus C$
31954
Why this proof $0=1$ is wrong?(breakfast joke)
83778
An incorrect proof by exhaustion
144713
Simple Calculus Proof
95851
Validity of an argument with a contradictory conclusion
147874
Why does the existence of independent statements not prove consistency?
158335
Why is this $0 = 1$ proof wrong?
124936
Help with a Probability Proof
150707
Prove the statement 'World is not flat'
10598
Contrapositive Fitch Proof
77286
Proving set theory question