]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpg_simple.ma
notational update in ground_2 and basic_2
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_transition / cpg_simple.ma
index 506386e4272ed940c0e5f457657fb90306752491..ee36acaac20986b9074bacc3df17f075d5996383 100644 (file)
@@ -22,7 +22,7 @@ include "basic_2/rt_transition/cpg.ma".
 (* Note: the main property of simple terms *)
 lemma cpg_inv_appl1_simple: ∀Rt,c,h,G,L,V1,T1,U. ⦃G, L⦄ ⊢ ⓐV1.T1 ⬈[Rt, c, h] U → 𝐒⦃T1⦄ →
                             ∃∃cV,cT,V2,T2. ⦃G, L⦄ ⊢ V1 ⬈[Rt, cV, h] V2 & ⦃G, L⦄ ⊢ T1 ⬈[Rt, cT, h] T2 &
-                                           U = â\93\90V2.T2 & c = ((â\86\93cV)∨cT).
+                                           U = â\93\90V2.T2 & c = ((â\86\95*cV)∨cT).
 #Rt #c #h #G #L #V1 #T1 #U #H #HT1 elim (cpg_inv_appl1 … H) -H *
 [ /2 width=8 by ex4_4_intro/
 | #cV #cW #cT #p #V2 #W1 #W2 #U1 #U2 #_ #_ #_ #H destruct