fact: Definition Dijkstra_prop1:= forall n m p, n + m = 2^p -> coprime (s n) (s m).
imports: mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat) mathcomp(seq choice fintype order bigop ssralg) mathcomp(div ssrnum ssrint rat prime path binomial) mathcomp(tuple finset) gaia(fibm)