proposition: Lemma growL h1 h2 : valid (h1 \+ h2) -> growing (h1 \+ h2) -> growing h1.
proof: Proof. by move=>W G k v z0 H; apply: (G k); apply/InL. Qed.
imports: Coq(ssreflect ssrbool ssrfun) mathcomp(ssrnat eqtype seq path interval) pcm(options prelude pred finmap rtc seqext useqord uslice uconsec)