jo'ei'i JOI experimental cmavo

nonlogical connective (and mekso operator) - symmetric difference of sets

'X1 jo'ei'i X2' is equivalent to 'X1 kei'i X2 jo'ei X2 kei'ibo X1'. Analogous to .onai (logical XOR).

In notes:

x1 is a logical XOR/mutual-contradiction/exclusive disjunction statement saying that only/exactly one of x2 and x3 can be true at any given time.