proposition: Lemma RlebP r1 r2 : reflect (r1 <= r2) (Rleb r1 r2).
proof: Proof. by rewrite /Rleb; apply: (iffP idP); case: Rle_dec. Qed.
imports: Rdefinitions Raxioms RIneq Rbasic_fun Zwf Epsilon FunctionalExtensionality Ranalysis1 Rsqrt_def Rtrigo1 Reals mathcomp(all_ssreflect ssralg poly mxpoly ssrnum) HB(structures)