Existence of an inverse number to zero (null)? Existence a meta of number?
112485
Allowing the zero element in a field to have an inverse
97040
Question about an application of the Rank-Nullity theorem
130312
Why aren't hash values for "nothing" (empty) defined as all zeros?
36998
In $Ax=b$. If $A$ is not invertible there are no solutions or infinity. How to determine what the case is?
13193
Does a inverse function need to be either surjective or injective?
21975
Number with leading zero in JavaScript
108661
In php, is 0 treated as empty?
33737
Does $1.0000000000\cdots 1$ with an infinite number of $0$ in it exist?
33247
Does $f(0)=0$ and $\left|f^\prime(x)\right|\leq\left|f(x)\right|$ imply $f(x)=0$?
158257
Is aleph-$0$ a natural number?
132041
Numbers which cannot be formed
89034
For any $\epsilon$, if $\epsilon>0$ and $|x|<\epsilon$, then $x=0$
143274
What is the smallest unknown natural number?
121663
If $a$ is a zero divisor of $\mathbb{F}$, then does $a$ fail to have a multiplicative inverse?
31212
The existence of the empty set is an axiom of ZFC or not?
46798
Is it possible that the zeroes of a polynomial form an infinite field?
62061
Do we have negative prime numbers?