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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
equivalent if and only if (iff)
equivalent if and only if (iff)
for all
there exists
there does not exists
because / since


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