Aut
"Aut" is the term applied in propositional calculus to the XOR connective. "Aut" is Latin form for "either/or (but not both)," e.g., "Aut Caesar aut nihil" (Cesare Borgia; 1476-1507).
The symbol Aut is also commonly used for the completely different purpose of denoting an automorphism.
See also
Automorphism, XORExplore with Wolfram|Alpha
WolframAlpha
More things to try:
References
Oxford University Press. The Oxford Dictionary of Quotations, 3rd ed. Oxford, England: Oxford University Press, p. 89, 1980.Referenced on Wolfram|Alpha
AutCite this as:
Weisstein, Eric W. "Aut." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/Aut.html