?? below permutation threshold ??? .... ???? ....

set,span as walking object [?] with something extra ...

?? 4 ??

set,map as walking object [?] with something extra ...

?? sym mon, co-cartesian ???

set,comap ....

?? sym mon, cartesian ??


set,permutation ...

?? sym mon ??

?? sym mon, ... ???????? .....

??? confusion ???? ..... sym mon .... ????? vs co-sym co-mon .... ???? .... ??? ...

??? 1-sided vs 2-sided version of microcosm principle ???? ....

??????????? ......

???? everything as the walking object something ??? .... ???? .... ???? ....