]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbg_fqup.ma
update for the article
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_computation / fpbg_fqup.ma
index 9e40865afc4e6734b11ca9e22b2463f77736c1ca..c2fde98d7193f721986986d7fac9fcc3a230e07c 100644 (file)
@@ -19,14 +19,14 @@ include "basic_2/rt_computation/fpbg.ma".
 
 (* Advanced properties with sort-irrelevant equivalence for terms ***********)
 
-lemma fpbg_tdeq_div: ∀h,G1,G2,L1,L2,T1,T. ⦃G1,L1,T1⦄ >[h] ⦃G2,L2,T⦄ →
+lemma fpbg_teqx_div: ∀h,G1,G2,L1,L2,T1,T. ⦃G1,L1,T1⦄ >[h] ⦃G2,L2,T⦄ →
                      ∀T2. T2 ≛ T → ⦃G1,L1,T1⦄ >[h] ⦃G2,L2,T2⦄.
-/4 width=5 by fpbg_fdeq_trans, tdeq_fdeq, tdeq_sym/ qed-.
+/4 width=5 by fpbg_feqx_trans, teqx_feqx, teqx_sym/ qed-.
 
 (* Properties with plus-iterated structural successor for closures **********)
 
 (* Note: this is used in the closure proof *)
-lemma fqup_fpbg: â\88\80h,G1,G2,L1,L2,T1,T2. â¦\83G1,L1,T1â¦\84 â\8a\90+ ⦃G2,L2,T2⦄ → ⦃G1,L1,T1⦄ >[h] ⦃G2,L2,T2⦄.
+lemma fqup_fpbg: â\88\80h,G1,G2,L1,L2,T1,T2. â¦\83G1,L1,T1â¦\84 â¬\82+ ⦃G2,L2,T2⦄ → ⦃G1,L1,T1⦄ >[h] ⦃G2,L2,T2⦄.
 #h #G1 #G2 #L1 #L2 #T1 #T2 #H elim (fqup_inv_step_sn … H) -H
 /3 width=5 by fqus_fpbs, fpb_fqu, ex2_3_intro/
 qed.