I just skimmed, pulling on whatever related math I know and it looks to be relevant if your into database query optimisers and such. It turns out that join con

I just skimmed, pulling on whatever related math I know and it looks to be relevant if your into database query optimisers and such. It turns out that join constraints that may be costly to compute can sometimes be simplified to something equivalent or even s completely elided in some circumstances simply by doing some algebra on the join operators. Good luck!