proposition: Lemma floor1 : floor (1 : R) = 1.
proof: Proof. by rewrite /floor Rfloor1 (_ : 1 = 1%:R) // Rtointn. Qed.
imports: HB(structures) mathcomp(all_ssreflect all_algebra) mathcomp(mathcomp_extra boolp classical_sets set_interval) Setoid