X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Freduction%2Fcpr_cir.ma;h=5cee2e207a15f574b01d0f72b76a613a01a6b599;hb=b5d702735754632652b2659c425dd67d7f92f24b;hp=ee49679b71eac5148a86c5d9e12bcfcfa1dcb358;hpb=65008df95049eb835941ffea1aa682c9253c4c2b;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/reduction/cpr_cir.ma b/matita/matita/contribs/lambdadelta/basic_2/reduction/cpr_cir.ma
index ee49679b7..5cee2e207 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/reduction/cpr_cir.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/reduction/cpr_cir.ma
@@ -19,30 +19,30 @@ include "basic_2/reduction/cpr.ma".
 
 (* Advanced forward lemmas on context-sensitive irreducible terms ***********)
 
-lemma cpr_fwd_cir: ∀L,T1,T2. L ⊢ T1 ➡ T2 → L ⊢ 𝐈⦃T1⦄ → T2 = T1.
-#L #T1 #T2 #H elim H -L -T1 -T2
+lemma cpr_fwd_cir: ∀G,L,T1,T2. ⦃G, L⦄ ⊢ T1 ➡ T2 → ⦃G, L⦄ ⊢ 𝐈⦃T1⦄ → T2 = T1.
+#G #L #T1 #T2 #H elim H -G -L -T1 -T2
 [ //
-| #L #K #V1 #V2 #W2 #i #HLK #_ #HVW2 #IHV12 #H
+| #G #L #K #V1 #V2 #W2 #i #HLK #_ #HVW2 #IHV12 #H
   elim (cir_inv_delta … HLK) //
-| #a * #L #V1 #V2 #T1 #T2 #_ #_ #IHV1 #IHT1 #H
+| #a * #G #L #V1 #V2 #T1 #T2 #_ #_ #IHV1 #IHT1 #H
   [ elim (cir_inv_bind … H) -H #HV1 #HT1 * #H destruct
     lapply (IHV1 … HV1) -IHV1 -HV1 #H destruct
     lapply (IHT1 … HT1) -IHT1 #H destruct //
   | elim (cir_inv_ib2 … H) -H /2 width=1/ /3 width=2/
   ]
-| * #L #V1 #V2 #T1 #T2 #_ #_ #IHV1 #IHT1 #H
+| * #G #L #V1 #V2 #T1 #T2 #_ #_ #IHV1 #IHT1 #H
   [ elim (cir_inv_appl … H) -H #HV1 #HT1 #_
     >IHV1 -IHV1 // -HV1 >IHT1 -IHT1 //
   | elim (cir_inv_ri2 … H) /2 width=1/
   ]
-| #L #V1 #T1 #T #T2 #_ #_ #_ #H
+| #G #L #V1 #T1 #T #T2 #_ #_ #_ #H
   elim (cir_inv_ri2 … H) /2 width=1/
-| #L #V1 #T1 #T2 #_ #_ #H
+| #G #L #V1 #T1 #T2 #_ #_ #H
   elim (cir_inv_ri2 … H) /2 width=1/
-| #a #L #V1 #V2 #W1 #W2 #T1 #T2 #_ #_ #_ #_ #_ #_ #H
+| #a #G #L #V1 #V2 #W1 #W2 #T1 #T2 #_ #_ #_ #_ #_ #_ #H
   elim (cir_inv_appl … H) -H #_ #_ #H
   elim (simple_inv_bind … H)
-| #a #L #V #V1 #V2 #W1 #W2 #T1 #T2 #_ #_ #_ #_ #_ #_ #_ #H
+| #a #G #L #V #V1 #V2 #W1 #W2 #T1 #T2 #_ #_ #_ #_ #_ #_ #_ #H
   elim (cir_inv_appl … H) -H #_ #_ #H
   elim (simple_inv_bind … H)
 ]