X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground_2%2Frelocation%2Fmr2_plus.ma;h=e1ef5d2875cfd78e4eadc2cfd50b1e881d2483a2;hp=7d9e5e60332d3628c044a31ff08ae7e8e489fdb2;hb=3c8da07d7a5d7cf0432a83732a6d103f527afaef;hpb=2976c347e18717e691825ebdf73a5ce941c57d1b

diff --git a/matita/matita/contribs/lambdadelta/ground_2/relocation/mr2_plus.ma b/matita/matita/contribs/lambdadelta/ground_2/relocation/mr2_plus.ma
index 7d9e5e603..e1ef5d287 100644
--- a/matita/matita/contribs/lambdadelta/ground_2/relocation/mr2_plus.ma
+++ b/matita/matita/contribs/lambdadelta/ground_2/relocation/mr2_plus.ma
@@ -18,7 +18,7 @@ include "ground_2/relocation/mr2.ma".
 
 rec definition pluss (cs:mr2) (i:nat) on cs ≝ match cs with
 [ nil2         ⇒ ◊
-| cons2 l m cs ⇒ {l + i, m} ⨮ pluss cs i
+| cons2 l m cs ⇒ {l + i, m};pluss cs i
 ].
 
 interpretation "plus (multiple relocation with pairs)"
@@ -26,7 +26,7 @@ interpretation "plus (multiple relocation with pairs)"
 
 (* Basic properties *********************************************************)
 
-lemma pluss_SO2: ∀l,m,cs. ({l, m} ⨮ cs) + 1 = {↑l, m} ⨮ cs + 1.
+lemma pluss_SO2: ∀l,m,cs. ({l, m};cs) + 1 = {↑l, m};cs + 1.
 normalize // qed.
 
 (* Basic inversion lemmas ***************************************************)
@@ -36,8 +36,8 @@ lemma pluss_inv_nil2: ∀i,cs. cs + i = ◊ → cs = ◊.
 #l #m #cs #H destruct
 qed.
 
-lemma pluss_inv_cons2: ∀i,l,m,cs2,cs. cs + i = {l, m} ⨮ cs2 →
-                       ∃∃cs1. cs1 + i = cs2 & cs = {l - i, m} ⨮ cs1.
+lemma pluss_inv_cons2: ∀i,l,m,cs2,cs. cs + i = {l, m};cs2 →
+                       ∃∃cs1. cs1 + i = cs2 & cs = {l - i, m};cs1.
 #i #l #m #cs2 *
 [ normalize #H destruct
 | #l1 #m1 #cs1 whd in ⊢ (??%?→?); #H destruct