?? having second (?? ...) thoughts about "[quasicoherent sheaf over x]-object in opposite of category of quasicoherent sheaves over y" .... ??? ....

?? using colimits instead of limits here .... and absoluteness questions .... ??? .... ab gp case vs set case ........ ????????? .........

???? hmmm, cofan cocone ...... ???? ....

?? "co-localization" ??? .... ???? .....