Logic symbols

Here are some symbols commonly used in logic, their Unicode values, HTML entities, and LaTeX commands.

 

Symbol Unicode HTML LaTeX
∧ U+2227 ∧ \wedge
⊼ U+22BC \barwedge
∨ U+2228 ∨ \vee
⊽ U+22BD \barvee
⊻ U+22BB ⊻ \veebar
→ U+2192 → \rightarrow
⇒ U+21D2 ⇒ \Rightarrow
← U+2190 ← \leftarrow
⇐ U+21D0 ⇐ \Leftarrow
⟷ U+27F7 \leftrightarrow
⇔ U+21D4 ⇔ \iff
¬ U+00AC ¬ \neg
⊤ U+22A4 ⊤ \top
⊥ U+22A5 ⊥ \bot
∀ U+2200 ∀ \forall
∃ U+2203 ∃ \exists
∄ U+2204 \nexists
⊢ U+22A2 ⊢ \vdash
⊫ U+22AB ⊨ \\models
□ U+25A1 \Box
◇ U+25C7 \Diamond
○ U+25CB \bigcirc
⟛ U+27DB \dashv \vdash
⊸ U+22B8 \multimap