Logic Symbols

Logic signs and symbols

Logic math symbols table

Symbol Symbol Name Meaning / definition Example
· and and x · y
^ caret / circumflex and x ^ y
& ampersand and x & y
+ plus or x + y
∨ reversed caret or x ∨ y
| vertical line or x | y
x' single quote not - negation x'
x bar not - negation x
¬ not not - negation ¬ x
! exclamation mark not - negation ! x
⊕ circled plus / oplus exclusive or - xor x ⊕ y
~ tilde negation ~ x
⇒ implies    
⇔ equivalent if and only if  
∀ for all    
∃ there exists    
∄ there does not exists    
∴ therefore    
∵ because / since    

 

See also

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