fact: Definition inl_inv_image_compat1 ai:= [/\ fgraph ai, domain ai = isI S', forall i, inc i (isI S') -> inc (Vg ai i) (Vg (isE S') i) & forall p, inc p (isr S') -> Vf (Vg (isf S') p)(Vg ai (P p)) = (Vg ai (Q p))].
imports: mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat)