query: Mistake in proof that every unit is a zero-divisor
positive_passages.docid: 143051
positive_passages.text: Inverting noninvertible elements in a bigger ring.
negative_passages.docid: 32524
negative_passages.text: Flawed proof that all positive integers are equal
negative_passages.docid: 33052
negative_passages.text: How to prove $\bar{m}$ is a zero divisor in $\mathbb{Z}_n$ if and only if $m,n$ are not coprime
negative_passages.docid: 151011
negative_passages.text: Fields - Proof that every multiple of zero equals zero
negative_passages.docid: 122213
negative_passages.text: Proving that if $\langle Ax,x\rangle =0$ for every $x$, then $A$ is the zero operator
negative_passages.docid: 18066
negative_passages.text: Prove that any non-zero-divisor of a finite dimensional algebra has an inverse
negative_passages.docid: 95863
negative_passages.text: Describe the units in $\mathbb{Z}[\sqrt{-d}]$
negative_passages.docid: 67342
negative_passages.text: Why does a minimal prime ideal consist of zerodivisors?
negative_passages.docid: 13899
negative_passages.text: Proof that $-v = (-1)*v$
negative_passages.docid: 8360
negative_passages.text: $\sum_i x_i^n = 0$ for all $n$ implies $x_i = 0$
negative_passages.docid: 31522
negative_passages.text: Proving $f$ has at least one zero inside unit disk
negative_passages.docid: 36503
negative_passages.text: Nicomachus theorem proof - what did I do wrong?
negative_passages.docid: 153892
negative_passages.text: Number Theory divisibilty
negative_passages.docid: 121663
negative_passages.text: If $a$ is a zero divisor of $\mathbb{F}$, then does $a$ fail to have a multiplicative inverse?
negative_passages.docid: 102086
negative_passages.text: Prove a property of divisor function
negative_passages.docid: 31954
negative_passages.text: Why this proof $0=1$ is wrong?(breakfast joke)
negative_passages.docid: 1002
negative_passages.text: Where is the flaw in this "proof" that 1=2? (Derivative of repeated addition)