- degree assignment, static type assignment, iterated static type

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / dynamic / ysc.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/dynamic/ysc.ma b/matita/matita/contribs/lambdadelta/basic_2/dynamic/ysc.ma
index 2d4d80bc5dd6fa146152e00a7f09755fd0be1dc6..a531dad1c5e75c6cc8aec8cfa59dfe83ccd62aae 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/dynamic/ysc.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/dynamic/ysc.ma
@@ -20,7 +20,7 @@ include "basic_2/dynamic/ypr.ma".
 inductive ysc (h) (g) (G1) (L1) (T1): relation3 genv lenv term ≝
 | ysc_fsup  : ∀G2,L2,T2. ⦃G1, L1, T1⦄ ⊃ ⦃G2, L2, T2⦄ → ysc h g G1 L1 T1 G2 L2 T2
 | ysc_cpr   : ∀T2. ⦃G1, L1⦄ ⊢ T1 ➡ T2 → (T1 = T2 → ⊥) → ysc h g G1 L1 T1 G1 L1 T2
-| ysc_ssta  : â\88\80T2,l. â¦\83G1, L1â¦\84 â\8a¢ T1 â\80¢[h, g] â¦\83l+1, T2â¦\84 → ysc h g G1 L1 T1 G1 L1 T2
+| ysc_ssta  : â\88\80T2,l. â¦\83G1, L1â¦\84 â\8a¢ T1 â\96ª[h, g] l+1 â\86\92 â¦\83G1, L1â¦\84 â\8a¢ T1 â\80¢[h, g] T2 → ysc h g G1 L1 T1 G1 L1 T2
 | ysc_lsubsv: ∀L2. G1 ⊢ L2 ¡⊑[h, g] L1 → (L1 = L2 → ⊥) → ysc h g G1 L1 T1 G1 L2 T1
 .
 
@@ -38,7 +38,7 @@ qed.
 (* Inversion lemmas on "big tree" parallel reduction for closures ***********)
 
 lemma ypr_inv_ysc: ∀h,g,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ≽[h, g] ⦃G2, L2, T2⦄ →
-                   ⦃G1, L1, T1⦄ ≻[h, g] ⦃G2, L2, T2⦄ ∨ 
+                   ⦃G1, L1, T1⦄ ≻[h, g] ⦃G2, L2, T2⦄ ∨
                    ∧∧ G1 = G2 & ⦃G1, L1⦄ ⊢ ➡ L2 & T1 = T2.
 #h #g #G1 #G2 #L1 #L2 #T1 #T2 * -G2 -L2 -T2 /3 width=1/ /3 width=2/
 [ #T2 #HT12 elim (term_eq_dec T1 T2) #H destruct /3 width=1/ /4 width=1/