Infererence rule

Check vertical alignment.

A
         
B′         B″
B
         X
C
C           D

Mathpar

Command

Command defined inside mathpar environment.

⎧
⎨
⎩
12
34
⎫
⎬
⎭
⎛
⎜
⎝
12
34
⎞
⎟
⎠
⎪
⎪
⎪
12
34
⎪
⎪
⎪
12
34
⎪
⎪
⎪
⎢
⎢
⎣
12
34
⎥
⎥
⎦

Font change (orange color)

First cell in black. Three last cells in orange. No cell in bold font. This is bold.

F(0) = 1 
F(1) = 1 
F(2) = 2
F(n+2) = F(n+1) + F(n)

This is bold also. This is normal font in black.

This document was translated from LATEX by HEVEA.