X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Flprs_length.ma;h=55c213b27f5f297abf3b7c3ab8cd6ff7e4552eff;hb=80ecd5486c6013f6c297173f41432fd1d93814ef;hp=060348bf3f237d48517207f735804d52741b361e;hpb=bd53c4e895203eb049e75434f638f26b5a161a2b;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lprs_length.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lprs_length.ma index 060348bf3..55c213b27 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lprs_length.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lprs_length.ma @@ -19,5 +19,5 @@ include "basic_2/rt_computation/lprs.ma". (* Forward lemmas with length for local environments ************************) -lemma lprs_fwd_length (h) (G): ∀L1,L2. ❪G,L1❫ ⊢ ➡*[h] L2 → |L1| = |L2|. +lemma lprs_fwd_length (h) (G): ∀L1,L2. ❨G,L1❩ ⊢ ➡*[h,0] L2 → |L1| = |L2|. /2 width=2 by lex_fwd_length/ qed-.