X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Flpxs_length.ma;h=8ab26578eacd07dd90ecfca4b00e5eeed7a1f3e5;hb=f308429a0fde273605a2330efc63268b4ac36c99;hp=fd664b95ca3771151079a6224185f2b87df3a3e3;hpb=ff612dc35167ec0c145864c9aa8ae5e1ebe20a48;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lpxs_length.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lpxs_length.ma index fd664b95c..8ab26578e 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lpxs_length.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lpxs_length.ma @@ -19,5 +19,5 @@ include "basic_2/rt_computation/lpxs.ma". (* Forward lemmas with length for local environments ************************) -lemma lpxs_fwd_length (h) (G): ∀L1,L2. ⦃G, L1⦄ ⊢ ⬈*[h] L2 → |L1| = |L2|. +lemma lpxs_fwd_length (h) (G): ∀L1,L2. ⦃G,L1⦄ ⊢ ⬈*[h] L2 → |L1| = |L2|. /2 width=2 by lex_fwd_length/ qed-.