proposition: Theorem Eeq_refl_realizer : forall e, Eeq_refl↓e ⊩ ∀x, (x ≡≡ x)%Re.
proof: Proof. intro e. unfold Eeq. start. apply Ht. repeat split; try start; ok. Qed.
imports: QArith Psatz ClassicalRealizability.Kbase ClassicalRealizability.Rationals ClassicalRealizability.Real_definitions