Errors in a false complex proof
107450
False proof that $ρe^{iθ} = ρ$ and so complex numbers do not exist?
93606
Showing that $C[0,1]$ is not complete
154133
Flawed proof by induction that $a^{n-1}=1$
150310
A finite sum of reciprocals of complex numbers cannot be confined to a half-plane
88887
Using the properties of real numbers, verify commutativity on complex numbers.
143026
what's the wrong when we use Euclid logic to prove the twin prime conjecture?
15237
Prove an inequality using complex analysis
139841
Proving $A\setminus(B\setminus C)$ is not equal to $(A\setminus B)\setminus C$
79425
Prove the direct product of nonzero complex numbers under multiplication.
137718
Prove that the complex expression is real
40041
Proof of Non-Ordering of Complex Field
34758
Cancellation Law for Direct Sums - What is wrong with this argument?
107281
Proof of Existence of Algebraic Closure: Too simple to be true?
95057
Possible fake proof of $1= -1$
75387
A proof that $1=2$. May I know why it’s false?
98537
What is wrong with the proof?
75600
Is Gödel's modified liar an illogical statement?