X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Fstatic%2Ffdeq_fqus.ma;h=26ae320e7094f548c9f00494c49ccb0a970318c7;hp=9662b6b325895b7037e81553336ae370a441322d;hb=f308429a0fde273605a2330efc63268b4ac36c99;hpb=87f57ddc367303c33e19c83cd8989cd561f3185b diff --git a/matita/matita/contribs/lambdadelta/static_2/static/fdeq_fqus.ma b/matita/matita/contribs/lambdadelta/static_2/static/fdeq_fqus.ma index 9662b6b32..26ae320e7 100644 --- a/matita/matita/contribs/lambdadelta/static_2/static/fdeq_fqus.ma +++ b/matita/matita/contribs/lambdadelta/static_2/static/fdeq_fqus.ma @@ -19,9 +19,9 @@ include "static_2/static/fdeq.ma". (* Properties with star-iterated structural successor for closures **********) -lemma fdeq_fqus_trans: ∀b,G1,G,L1,L,T1,T. ⦃G1, L1, T1⦄ ≛ ⦃G, L, T⦄ → - ∀G2,L2,T2. ⦃G, L, T⦄ ⊐*[b] ⦃G2, L2, T2⦄ → - ∃∃G,L0,T0. ⦃G1, L1, T1⦄ ⊐*[b] ⦃G, L0, T0⦄ & ⦃G, L0, T0⦄ ≛ ⦃G2, L2, T2⦄. +lemma fdeq_fqus_trans: ∀b,G1,G,L1,L,T1,T. ⦃G1,L1,T1⦄ ≛ ⦃G,L,T⦄ → + ∀G2,L2,T2. ⦃G,L,T⦄ ⊐*[b] ⦃G2,L2,T2⦄ → + ∃∃G,L0,T0. ⦃G1,L1,T1⦄ ⊐*[b] ⦃G,L0,T0⦄ & ⦃G,L0,T0⦄ ≛ ⦃G2,L2,T2⦄. #b #G1 #G #L1 #L #T1 #T #H1 #G2 #L2 #T2 #H2 elim(fdeq_inv_gen_dx … H1) -H1 #HG #HL1 #HT1 destruct elim (rdeq_fqus_trans … H2 … HL1) -L #L #T0 #H2 #HT02 #HL2