X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground%2Frelocation%2Fgr_after_ist.ma;h=97780f1c6c44681330ec02b25429cc673ec08aa7;hp=e3f8acfcd52f8e338c22572b4287da0524c18bcb;hb=0bcf2dc1a27e38cb6cd3d44eb838d652926841e0;hpb=7e120a2bf2e6c0882b4f4b376c5861e001945cf4 diff --git a/matita/matita/contribs/lambdadelta/ground/relocation/gr_after_ist.ma b/matita/matita/contribs/lambdadelta/ground/relocation/gr_after_ist.ma index e3f8acfcd..97780f1c6 100644 --- a/matita/matita/contribs/lambdadelta/ground/relocation/gr_after_ist.ma +++ b/matita/matita/contribs/lambdadelta/ground/relocation/gr_after_ist.ma @@ -45,7 +45,7 @@ lemma gr_after_des_ist_sn: qed-. (*** after_at1_fwd *) -lemma gr_after_pat_sn_des: +lemma gr_after_des_ist_pat: ∀f1,i1,i2. @❪i1, f1❫ ≘ i2 → ∀f2. 𝐓❪f2❫ → ∀f. f2 ⊚ f1 ≘ f → ∃∃i. @❪i2, f2❫ ≘ i & @❪i1, f❫ ≘ i. #f1 #i1 #i2 #Hf1 #f2 #Hf2 #f #Hf elim (Hf2 i2) -Hf2