I propose one solution here ("How to Make View-independent Program Models"): http://westoncb.blogspot.com/2015/06/how-to-make-view-independent-program.html http

I propose one solution here ("How to Make View-independent Program Models"): http://westoncb.blogspot.com/2015/06/how-to-make-view-independent-program.html http://westoncb.blogspot.com/2015/06/how-to-make-view-indepe... —but many people have tackled or are tackling this problem ("structure" or "projectional" editor will lead you there if you're curious).