LaTeX 中的关系运算符

关系运算符用于比较两个值以了解一对数字共享的关系类型。例如，小于、大于、等于等。

例如 != 表示不等于，但在数学中我们将其写为。
$\neq$
那么我们来一一看看，Relational Operators 的 LaTeX 代码。

关系运算符及其乳胶代码 –

TERM	SYMBOL	LATEX
1.is less than	$<$	<
2. is greater than	$>$	>
3. is not less than	$\nless$	\nless
4. is not greater than	$\ngtr$	\ngtr
5. is less than or equal to	$\leq$	\leq
6. is greater than or equal to	$\geq$	\geq
7. is less than or equal to	$\leqslant$	\leqslant
8. is greater than or equal to	$\geqslant$	\geqslant
9. is neither less than nor equal to	$\nleq$	\nleq
10. is neither less than nor equal to	$\ngeq$	\ngeq
11. is neither less than nor equal to	$\nleqslant$	\nleqslant
12. is neither greater than nor equal to	$\ngeqslant$	\ngeqslant
13. is a proper subset of	$\subset$	\subset
14. is a proper superset of	$\supset$	\supset
15. is not a proper subset of	$\not\subset$	\not\subset
16. is not a proper superset of	$\not\supset$	\not\supset
17. is a subset of	$\subseteq$	\subseteq
18. is a superset of	$\supseteq$	\supseteq
19. is not a subset of	$\nsubseteq$	\nsubseteq
20. is not a superset of	$\nsubseteq$	\nsubseteq
21. is equal to	$=$	=
22. is equivalent to	$\equiv$	\equiv
23. is approximately	$\approx$	\approx
24. is congruent to	$\cong$	\cong
25. is similar or equal to	$\simeq$	\simeq
26. is similar to	$\sim$	\sim
27. is proportional to	$\propto$	\propto
28. is not equal to	$\ne$	\ne
29. is parallel with	$\parallel$	\parallel
30. is not parallel with	$\nparallel$	\nparallel
31. is member of	$\in$	\in
32. is not member of	$\notin$	\notin
33. is perpendicular with	$\perp$	\perp