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=b76988981d1af850e157414452b407d6a976cee9;hp=4c0406cf54475954c1f2657ef9fcbdd3d5c497f8;hb=98e786e1a6bd7b621e37ba7cd4098d4a0a6f8278;hpb=5d9f7ae4bad2b5926f615141c12942b9a8eb23fb 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 4c0406cf5..b76988981 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 @@ -22,7 +22,7 @@ include "static_2/s_computation/fqus.ma". 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/ +/3 width=3 by fquq_fwd_fw, nle_trans/ qed-. (* Advanced inversion lemmas ************************************************) @@ -30,6 +30,6 @@ qed-. 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 -#H elim (lt_le_false … H) -H /2 width=1 by monotonic_le_plus_r/ +#H2 #H1 lapply (nle_nlt_trans … H2 H1) -G0 -L0 -T0 +#H elim (nlt_ge_false … H) -H /2 width=1 by nle_plus_bi_sn/ qed-.