fact: Definition inl_subfam_hyp S M:= [/\ fgraph M, domain M = isI S, forall i, inc i (isI S) -> sub (Vg M i) (Vg (isE S) i) & forall i j, gle (isr S) i j -> sub (Vfs (Vg (isf S) (J i j)) (Vg M i)) (Vg M j) ].
imports: mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat)