proposition: Lemma Rpser_minus_compat : forall An Bn x la lb, Rpser An x la -> Rpser Bn x lb -> Rpser (An - Bn)%Rseq x (la - lb).
proof: Proof. intros ; unfold Rseq_minus, Rminus ; apply Rpser_add_compat ; [| apply Rpser_opp_compat] ; assumption. Qed.
imports: Reals Rpser_def Rpser_def_simpl Rinterval Rsequence_def Rsequence_base_facts Rsequence_subsequence Rsequence_rewrite_facts Rsequence_cv_facts Rsequence_facts Rsequence_bound_facts Rsequence_sums_facts Rpow_facts PeanoNat Lra MyRIneq MyNat MyNNR