]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/basic_2/computation/fpbg_fpbs.ma
- some renaming according to the written version of basic_2
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / computation / fpbg_fpbs.ma
index b5a303df6d4908bd9fa22eed973b146e3eb79f99..e39f3a5a30643d0844b67781192b08729e337b29 100644 (file)
@@ -57,8 +57,8 @@ lemma cpxs_fpbg: ∀h,g,G,L,T1,T2. ⦃G, L⦄ ⊢ T1 ➡*[h, g] T2 →
 /4 width=5 by cpxs_fpbs, fpb_cpx, ex2_3_intro/
 qed.
 
-lemma lstas_fpbg: ∀h,g,G,L,T1,T2,l2. ⦃G, L⦄ ⊢ T1 •*[h, l2] T2 → (T1 = T2 → ⊥) →
-                  ∀l1. l2 ≤ l1 → ⦃G, L⦄ ⊢ T1 ▪[h, g] l1 → ⦃G, L, T1⦄ >≡[h, g] ⦃G, L, T2⦄.
+lemma lstas_fpbg: ∀h,g,G,L,T1,T2,d2. ⦃G, L⦄ ⊢ T1 •*[h, d2] T2 → (T1 = T2 → ⊥) →
+                  ∀d1. d2 ≤ d1 → ⦃G, L⦄ ⊢ T1 ▪[h, g] d1 → ⦃G, L, T1⦄ >≡[h, g] ⦃G, L, T2⦄.
 /3 width=5 by lstas_cpxs, cpxs_fpbg/ qed.
 
 lemma lpxs_fpbg: ∀h,g,G,L1,L2,T. ⦃G, L1⦄ ⊢ ➡*[h, g] L2 →