ideas for todd ...

(also check file trimble40? ??? ... containing bunch of ideas to maybe mention in e-mail ... ????...)

??"doctrine as special case of 2-topos" ...

??in/advivisability (... ?? ......) of experimenting with varying arity not only of colimits, but also of limits ... in "topos" context ... ?? ... ??? ...... with colimits you're experimenting in the conservative direction whereas with limits in the risky direction ??? .... ???so what _are_ the dangers ??? ..... ..... ??? .... ....

???relationship between above two ideas .... ???? .....