Modulus of difference is bigger than modulus of difference of modulus
3820
Prove that $||x|-|y||\le |x-y|$
24688
Why are $i$ and $-i$ "more indistinguishable" than $\sqrt{2}$ and $-\sqrt{2}$?
154356
The "difference" of two ordinals
6310
How to prove that exponential grows faster than polynomial?
27859
least common multiple of $\{1,2,...,n\}$ is bigger than $2^{n-1}$
68774
Proving that $f(x)$ is less than or equal to $1+\pi/4$
98101
why this product is no more than the product of the two mean values?
16559
Difference between $\mathbb{Z}/n\mathbb{Z}$ and $\mathbb{Z}_n$
8784
modulo version of the quadratic formula and Euler's criterion
55680
The relationship of ${\frak m+m=m}$ to AC
134880
Is there a difference between $y(x)$ and $f(x)$
100399
A doubt with a part of a certain proof.
157608
One-sided limits of $f'(x)$ at a point vs. one-sided limits of the difference quotient at that point
26062
Given $a>b>2$ both positive integers, which of $a^b$ and $b^a$ is larger?
82552
About big parenthesis larger than Bigg
9820
Application of maximum modulus principle
26592
The symmetric Difference