X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Fstatic%2Frex_fqup.ma;h=0638328413af4dde3459582c0a94e59d2df9ab22;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hp=5c7e82b33c2350d5da2d424a0b518feb0b2813f9;hpb=f308429a0fde273605a2330efc63268b4ac36c99;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/static_2/static/rex_fqup.ma b/matita/matita/contribs/lambdadelta/static_2/static/rex_fqup.ma index 5c7e82b33..063832841 100644 --- a/matita/matita/contribs/lambdadelta/static_2/static/rex_fqup.ma +++ b/matita/matita/contribs/lambdadelta/static_2/static/rex_fqup.ma @@ -20,30 +20,31 @@ include "static_2/static/rex.ma". (* Advanced properties ******************************************************) (* Basic_2A1: uses: llpx_sn_refl *) -lemma rex_refl: ∀R. (∀L. reflexive … (R L)) → ∀L,T. L ⪤[R,T] L. +lemma rex_refl (R): (∀L. reflexive … (R L)) → ∀L,T. L ⪤[R,T] L. #R #HR #L #T elim (frees_total L T) /4 width=3 by sex_refl, ext2_refl, ex2_intro/ qed. -lemma rex_pair_refl: ∀R. (∀L. reflexive … (R L)) → - ∀L,V1,V2. R L V1 V2 → ∀I,T. L.ⓑ{I}V1 ⪤[R,T] L.ⓑ{I}V2. +lemma rex_pair_refl (R): + (∀L. reflexive … (R L)) → + ∀L,V1,V2. R L V1 V2 → ∀I,T. L.ⓑ[I]V1 ⪤[R,T] L.ⓑ[I]V2. #R #HR #L #V1 #V2 #HV12 #I #T -elim (frees_total (L.ⓑ{I}V1) T) #f #Hf +elim (frees_total (L.ⓑ[I]V1) T) #f #Hf elim (pn_split f) * #g #H destruct /5 width=3 by sex_refl, sex_next, sex_push, ext2_refl, ext2_pair, ex2_intro/ qed. (* Advanced inversion lemmas ************************************************) -lemma rex_inv_bind_void: ∀R,p,I,L1,L2,V,T. L1 ⪤[R,ⓑ{p,I}V.T] L2 → - L1 ⪤[R,V] L2 ∧ L1.ⓧ ⪤[R,T] L2.ⓧ. +lemma rex_inv_bind_void (R): + ∀p,I,L1,L2,V,T. L1 ⪤[R,ⓑ[p,I]V.T] L2 → L1 ⪤[R,V] L2 ∧ L1.ⓧ ⪤[R,T] L2.ⓧ. #R #p #I #L1 #L2 #V #T * #f #Hf #HL elim (frees_inv_bind_void … Hf) -Hf /6 width=6 by sle_sex_trans, sex_inv_tl, sor_inv_sle_dx, sor_inv_sle_sn, ex2_intro, conj/ qed-. (* Advanced forward lemmas **************************************************) -lemma rex_fwd_bind_dx_void: ∀R,p,I,L1,L2,V,T. L1 ⪤[R,ⓑ{p,I}V.T] L2 → - L1.ⓧ ⪤[R,T] L2.ⓧ. +lemma rex_fwd_bind_dx_void (R): + ∀p,I,L1,L2,V,T. L1 ⪤[R,ⓑ[p,I]V.T] L2 → L1.ⓧ ⪤[R,T] L2.ⓧ. #R #p #I #L1 #L2 #V #T #H elim (rex_inv_bind_void … H) -H // qed-.