Set theory

⊂	⊃
⊄	⊅
⊆	⊇	
⊈	⊉
⋂	⋃
∈	∋
∉	∌
⟨ 	⟩
∅	

A̅ 

overline: (https://unicode-table.com/en/0305/)

Logic/Math

∴

∃	∀

⟶	→	↛	⇒	⇏	⟹
⟵	←	↚	⇐	⇍	⟸
⟷	⇔	⟺

∧	∨
∼	¬
	
□
◇

=	≠
≈	≉

↑	↓

Semantics/Math

⟦	⟧
‖
λ
•

Not semantics, just might be useful

✓
✔
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