X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fsubstitution%2Ffquq.ma;h=0e85a6d23470688fdf98e591929e61c242c9ee5f;hb=52e675f555f559c047d5449db7fc89a51b977d35;hp=1a5c549d8ae30fd374442ed78de4b18a6ac07d46;hpb=75fac6d60f67a4dfa38ea6c2cc45a18eda5d8996;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/substitution/fquq.ma b/matita/matita/contribs/lambdadelta/basic_2/substitution/fquq.ma index 1a5c549d8..0e85a6d23 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/substitution/fquq.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/substitution/fquq.ma @@ -45,7 +45,7 @@ qed. lemma fquq_fwd_fw: ∀G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐⸮ ⦃G2, L2, T2⦄ → ♯{G2, L2, T2} ≤ ♯{G1, L1, T1}. #G1 #G2 #L1 #L2 #T1 #T2 #H elim H -G1 -G2 -L1 -L2 -T1 -T2 /2 width=1 by lt_to_le/ #G1 #L1 #K1 #T1 #U1 #e #HLK1 #HTU1 -lapply (ldrop_fwd_lw … HLK1) -HLK1 +lapply (drop_fwd_lw … HLK1) -HLK1 lapply (lift_fwd_tw … HTU1) -HTU1 /2 width=1 by le_plus, le_n/ qed-. @@ -55,7 +55,7 @@ fact fquq_fwd_length_lref1_aux: ∀G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐⸮ #G1 #G2 #L1 #L2 #T1 #T2 #H elim H -G1 -G2 -L1 -L2 -T1 -T2 // [ #a #I #G #L #V #T #j #H destruct | #G1 #L1 #K1 #T1 #U1 #e #HLK1 #HTU1 #i #H destruct - /2 width=3 by ldrop_fwd_length_le4/ + /2 width=3 by drop_fwd_length_le4/ ] qed-.