Logic Symbols

Logic signs and symbols

Logic math symbols table

Symbol Symbol Name Meaning / definition Example
and and xy
^ caret / circumflex and x ^ y
& ampersand and x & y
+ plus or x + y
reversed caret or xy
| 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 xy
~ tilde negation ~ x
equivalent if and only if (iff)  
equivalent if and only if (iff)  
for all    
there exists    
there does not exists    
because / since    


See also

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