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