?? action version of super-algebra ??? ....

?? lives even at set level ??? .... ??? alternative symmetry on cartesian product of z/2-sets ??? .....

?? braided version with z-sets ??? .....

(x,y) |-> (y',x) .... ??? reminding me of particularly _recent_ stuff ??? ... ??? but what was it ??? ....

?? hmmm ... ?? seems to have been that "right-adjoint slow-motion" idea .... ??? ....