+(* Properties with context-sensitive free variables *************************)
+
+lemma cpm_frees_conf: ∀n,h,G. R_frees_confluent (cpm n h G).
+/3 width=6 by cpm_fwd_cpx, cpx_frees_conf/ qed-.
+
+lemma lfpr_frees_conf: ∀h,G. lexs_frees_confluent (cpr_ext h G) cfull.
+/5 width=9 by cpm_fwd_cpx, lfpx_frees_conf, lexs_co, cext2_co/ qed-.
+