> (probably because 4 naturally lends itself to pairs of 2). Why would pairs of two be favorable? > So for example, ternary logic is (much) more efficient th

> (probably because 4 naturally lends itself to pairs of 2). Why would pairs of two be favorable? > So for example, ternary logic is (much) more efficient than binary logic. Having that 3rd state just makes problem solving much more elegant. What do you have in mind here? > Like, are there all sorts of exotic logic gates that come from a 4 state system? I don't know but you may be interested in this [1]. 1. https://en.wikipedia.org/wiki/Catu%E1%B9%A3ko%E1%B9%ADi https://en.wikipedia.org/wiki/Catu%E1%B9%A3ko%E1%B9%ADi