]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/basic_2/rt_computation/cprs_tweq.ma
update in ground_2, static_2, basic_2, apps_2, alpha_1
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_computation / cprs_tweq.ma
index a7c2b4074192b8b2c72b8b98ac85a7557161c21b..14503c1ecd24073c6d74e5e01dec52e09f296573 100644 (file)
@@ -22,13 +22,13 @@ include "basic_2/rt_computation/cpms.ma".
 (* Properties with sort-irrelevant whd equivalence on terms *****************)
 
 lemma cprs_abbr_pos_twneq (h) (G) (L) (V) (T1):
-      â\88\83â\88\83T2. â¦\83G,Lâ¦\84 ⊢ +ⓓV.T1 ➡*[h] T2 & (+ⓓV.T1 ≅ T2 → ⊥).
+      â\88\83â\88\83T2. â\9dªG,Lâ\9d« ⊢ +ⓓV.T1 ➡*[h] T2 & (+ⓓV.T1 ≅ T2 → ⊥).
 #h #G #L #V #U1
 elim (cpr_subst h G (L.ⓓV) U1 … 0) [|*: /2 width=4 by drops_refl/ ] #U2 #T2 #HU12 #HTU2
 elim (tweq_dec U1 U2) [ #HpU12 | -HTU2 #HnU12 ]
 [ @(ex2_intro … T2) (**) (* full auto not tried *)
   [ /3 width=6 by cpms_zeta, cpms_step_sn, cpm_bind/
-  | /4 width=6 by tweq_inv_abbr_pos_sn_X_lifts_Y_Y, tweq_canc_sn, tweq_abbr_pos/
+  | /4 width=6 by tweq_inv_abbr_pos_x_lifts_y_y, tweq_canc_sn, tweq_abbr_pos/
   ]
 | /4 width=3 by cpm_cpms, cpm_bind, tweq_inv_abbr_pos_bi, ex2_intro/
 ]