X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Fs_computation%2Ffqus_weight.ma;h=02be24fc73a90535cdb1b893dd51e747fd512a14;hp=f9436670662f07b12baaf98305d68bfe8ceff931;hb=f308429a0fde273605a2330efc63268b4ac36c99;hpb=87f57ddc367303c33e19c83cd8989cd561f3185b diff --git a/matita/matita/contribs/lambdadelta/static_2/s_computation/fqus_weight.ma b/matita/matita/contribs/lambdadelta/static_2/s_computation/fqus_weight.ma index f94366706..02be24fc7 100644 --- a/matita/matita/contribs/lambdadelta/static_2/s_computation/fqus_weight.ma +++ b/matita/matita/contribs/lambdadelta/static_2/s_computation/fqus_weight.ma @@ -19,15 +19,15 @@ include "static_2/s_computation/fqus.ma". (* Forward lemmas with weight for closures **********************************) -lemma fqus_fwd_fw: ∀b,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐*[b] ⦃G2, L2, T2⦄ → - ♯{G2, L2, T2} ≤ ♯{G1, L1, T1}. +lemma fqus_fwd_fw: ∀b,G1,G2,L1,L2,T1,T2. ⦃G1,L1,T1⦄ ⊐*[b] ⦃G2,L2,T2⦄ → + ♯{G2,L2,T2} ≤ ♯{G1,L1,T1}. #b #G1 #G2 #L1 #L2 #T1 #T2 #H @(fqus_ind … H) -L2 -T2 /3 width=3 by fquq_fwd_fw, transitive_le/ qed-. (* Advanced inversion lemmas ************************************************) -lemma fqus_inv_refl_atom3: ∀b,I,G,L,X. ⦃G, L, ⓪{I}⦄ ⊐*[b] ⦃G, L, X⦄ → ⓪{I} = X. +lemma fqus_inv_refl_atom3: ∀b,I,G,L,X. ⦃G,L,⓪{I}⦄ ⊐*[b] ⦃G,L,X⦄ → ⓪{I} = X. #b #I #G #L #X #H elim (fqus_inv_fqu_sn … H) -H * // #G0 #L0 #T0 #H1 #H2 lapply (fqu_fwd_fw … H1) lapply (fqus_fwd_fw … H2) -H2 -H1 #H2 #H1 lapply (le_to_lt_to_lt … H2 H1) -G0 -L0 -T0