X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Flfpxs.ma;h=e711286a154b430c49d5aa5521859fef66fd88ce;hb=a04fa03fcea0493e89b725960146cc0c06539583;hp=507f4d9794f0af0b2bdcd3b7ec4f6e87adffb83a;hpb=58ea181757dce19b875b2f5a224fe193b2263004;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lfpxs.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lfpxs.ma index 507f4d979..e711286a1 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lfpxs.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lfpxs.ma @@ -54,5 +54,5 @@ lemma lfpxs_inv_atom2: ∀h,I,G,L1. ⦃G, L1⦄ ⊢ ⬈*[h, ⓪{I}] ⋆ → L1 = lemma lfpxs_fwd_pair_sn: ∀h,I,G,L1,L2,V,T. ⦃G, L1⦄ ⊢ ⬈*[h, ②{I}V.T] L2 → ⦃G, L1⦄ ⊢ ⬈*[h, V] L2. /2 width=3 by tc_lfxs_fwd_pair_sn/ qed-. -lemma lfpxs_flat_dx: ∀h,I,G,L1,L2,V,T. ⦃G, L1⦄ ⊢ ⬈*[h, ⓕ{I}V.T] L2 → ⦃G, L1⦄ ⊢ ⬈*[h, T] L2. +lemma lfpxs_fwd_flat_dx: ∀h,I,G,L1,L2,V,T. ⦃G, L1⦄ ⊢ ⬈*[h, ⓕ{I}V.T] L2 → ⦃G, L1⦄ ⊢ ⬈*[h, T] L2. /2 width=3 by tc_lfxs_fwd_flat_dx/ qed-.