proposition: Lemma Rbar_mult_p_r y (Hy : 0 < y) : Rbar_mult p_infty y = p_infty.
proof: Proof. by rewrite Rbar_mult_comm; exact: Rbar_mult_p_l. Qed.
imports: Coq(Reals ZArith Psatz Fourier_util) Flocq(Raux) Coquelicot(Coquelicot AutoDerive) mathcomp.ssreflect(ssreflect ssrfun ssrbool ssrnat bigop) Stdlib Coquelicot Xreal Interval