Chapter1
数学的主張を書いていくための例
A set $C$ is *convex* if for all
$x,y \in C$ and for all
$\alpha \in [0,1]$ the point
$\alpha x + (1-\alpha) y \in C$.
There are no natural numbers
$\mathbb{N} = (1, 2, 3, \ldots)$
$x$, $y$, and $z$ such that
$x^n + y^n = z^n$, in which $n$
is a natural number greater than 2.
ごまふあざらしは可愛い
$1+2+3=6$ っていうぐらいアタリマエ
あざらしは可愛いので次を要請する
\[A = \begin{bmatrix} 1 & 2\\ 3 & 4 \end{bmatrix} \\ Ax=b\]
\[\frac{n!}{k!(n - k)!} = \binom{n}{k}\]
Section
a
SubSection
b
Prop
c
Proof
d
aa
e