proposition: Fact Qint_a (i : int) : a i \is a Qint.
proof: Proof. by apply: rpred_sum => ?; rewrite rpred_zify. Qed.
imports: BinInt mathcomp(all_ssreflect all_algebra) mathcomp(realalg) CoqEAL(hrel param refinements) CoqEAL(pos binnat binint rational) tactics shift binomialz bigopz rat_of_Z rho_computations seq_defs c_props initial_conds algo_closures