fact: Definition Canon_plus n alpha beta := Paths.Canon_plus n (E0_g2h alpha) (E0_g2h beta).
imports: mathcomp(all_ssreflect zify) Coq(Logic.Eqdep_dec Arith) hydras(DecPreOrder) hydras(T1 E0) hydras(primRec) hydras(F_alpha F_omega) gaia_hydras(T1Bridge GCanon GHprime)