π
τ
⌈
⌊
∅
∆
\\
/\
∩
∪
∈
∉
⟦
⟧
⊢
|^
→
×
÷
≤
≥
≡
≠
≈
¬
∧
∨
≔
≕
⊨
¯
⁺
⊗
<=
>=
!=
∃
∄
∋
∌
∀
