X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frelocation%2Ffquq_alt.ma;h=033959bea950c686a63bb39769a447d4693f836b;hb=928cfe1ebf2fbd31731c8851cdec70802596016d;hp=1d770dcc439fa1424beb117892c91b341b7b6414;hpb=cfc43911db215e21036317b26bd1dcf9c3e5d435;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/relocation/fquq_alt.ma b/matita/matita/contribs/lambdadelta/basic_2/relocation/fquq_alt.ma index 1d770dcc4..033959bea 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/relocation/fquq_alt.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/relocation/fquq_alt.ma @@ -30,7 +30,7 @@ lemma fquqa_refl: tri_reflexive … fquqa. // qed. lemma fquqa_drop: ∀G,L,K,T,U,e. - ⇩[0, e] L ≡ K → ⇧[0, e] T ≡ U → ⦃G, L, U⦄ ⊃⊃⸮ ⦃G, K, T⦄. + ⇩[e] L ≡ K → ⇧[0, e] T ≡ U → ⦃G, L, U⦄ ⊃⊃⸮ ⦃G, K, T⦄. #G #L #K #T #U #e #HLK #HTU elim (eq_or_gt e) /3 width=5 by fqu_drop_lt, or_introl/ #H destruct >(ldrop_inv_O2 … HLK) -L >(lift_inv_O2 … HTU) -T //