?? idea of ... ?? emphasizing geometric doctrine and its "baby fragments" (products theories, lex theories, ...) as analogous to ag doctrine (?? also tag ?? ...) and its "baby fragments" (dimensional theories ... ?? ...) .... ???

but how good a parallel is it, really ? ... ?? particularly, is the right adjoint from _ag theory_ to _dimensional theory" really parallel in its uses (?? ...) to the right adjoints in the other case ??? .... ??? ....