X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fcomputation%2Flsubc_lsuba.ma;h=cc9011afc90da999b02798b6095c8d557e675a06;hb=f282b35b958c9602fb1f47e5677b5805a046ac76;hp=b4f5be28952efa0d91e31ef5a83f45485e05bcd9;hpb=cb5ca7ea4e826e9331eabeaea44353caab00071e;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/computation/lsubc_lsuba.ma b/matita/matita/contribs/lambdadelta/basic_2/computation/lsubc_lsuba.ma
index b4f5be289..cc9011afc 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/computation/lsubc_lsuba.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/computation/lsubc_lsuba.ma
@@ -20,7 +20,7 @@ include "basic_2/computation/acp_aaa.ma".
 (* properties concerning lenv refinement for atomic arity assignment ********)
 
 lemma lsuba_lsubc: ∀RR,RS,RP. acp RR RS RP → acr RR RS RP (λG,L,T. RP G L T) →
-                   ∀G,L1,L2. G ⊢ L1 ⁝⊑ L2 → G ⊢ L1 ⊑[RP] L2.
+                   ∀G,L1,L2. G ⊢ L1 ⁝⫃ L2 → G ⊢ L1 ⫃[RP] L2.
 #RR #RS #RP #H1RP #H2RP #G #L1 #L2 #H elim H -L1 -L2 // /2 width=1/
 #L1 #L2 #W #V #A #H elim (aaa_inv_cast … H) -H /3 width=4/
 qed.