LaTeX 中的不等式

在数学中，不等式是在两个数字或其他数学表达式之间进行不等比较的关系。它最常用于按大小比较数轴上的两个数字。有几种不同的符号用于表示不同种类的不等式：

• 符号 a < b 表示 a 小于 b。
• 符号 a > b 表示 a 大于 b。

不等式符号及其 LaTeX 代码：

TERM	SYMBOL	LATEX
Less than	$<$	<
Greater than	$>$	>
Less than equal to	$\leq$	\leq
Less than with complete equal to sign	$\leqq$	\leqq
Less than equal to slant	$\leqslant$	\leqslant
Less than similar to	$\lesssim$	\lesssim
Less than approximate	$\lessapprox$	\lessapprox
Preceeds	$\prec$	\prec
Preceeds and equal to	$\preceq$	\preceq
Less than greater than	$\lessgtr$	\lessgtr
Less than equal to greater than	$\lesseqgtr$	\lesseqgtr
Greater than equal to	$\geq$	\geq
Greater than with complete equal to sign	$\geqq$	\geqq
Greater than equal to slant	$\geqslant$	\geqslant
Greater than similar to	$\gtrsim$	\gtrsim
Greater than approximate to	$\gtrapprox$	\gtrapprox
Succeeds	$\succ$	\succ
Succeeds and equal to	$\succeq$	\succeq
Succeeds and similar to	$\succsim$	\succsim
Not less than	$\nless$	\nless
Not greater than	$\ngtr$	\ngtr
Not less than equal to	$\nleq$	\nleq
Not greater than equal to	$\ngeq$	\ngeq
Less than not equal to	$\lneq$	\lneq
Greater than not equal to	$\gneq$	\gneq
Not less than equal to slant	$\nleqslant$	\nleqslant
Not greater than equal to slant	$\ngeqslant$	\ngeqslant
Lesser lesser than	$\ll$	\ll
Triple lesser than	$\lll$	\lll
Greater greater than	$\gg$	\gg
Triple greater than	$\ggg$	\ggg