X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Flpx_fquq.ma;h=1198a5fed0346f3898083a413a48ed724bd9467b;hp=23e08858ceda58eeca0fca8fd1a6c22f5255ea54;hb=3c7b4071a9ac096b02334c1d47468776b948e2de;hpb=2f6f2b7c01d47d23f61dd48d767bcb37aecdcfea diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpx_fquq.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpx_fquq.ma index 23e08858c..1198a5fed 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpx_fquq.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpx_fquq.ma @@ -19,10 +19,11 @@ include "basic_2/rt_transition/lpx.ma". (* Properties with extended structural successor for closures ***************) -lemma lpx_fqu_trans (h) (b): ∀G1,G2,L1,L2,T1,T2. ❪G1,L1,T1❫ ⬂[b] ❪G2,L2,T2❫ → - ∀K1. ❪G1,K1❫ ⊢ ⬈[h] L1 → - ∃∃K2,T. ❪G1,K1❫ ⊢ T1 ⬈[h] T & ❪G1,K1,T❫ ⬂[b] ❪G2,K2,T2❫ & ❪G2,K2❫ ⊢ ⬈[h] L2. -#h #b #G1 #G2 #L1 #L2 #T1 #T2 #H elim H -G1 -G2 -L1 -L2 -T1 -T2 +lemma lpx_fqu_trans (b): + ∀G1,G2,L1,L2,T1,T2. ❪G1,L1,T1❫ ⬂[b] ❪G2,L2,T2❫ → + ∀K1. ❪G1,K1❫ ⊢ ⬈ L1 → + ∃∃K2,T. ❪G1,K1❫ ⊢ T1 ⬈ T & ❪G1,K1,T❫ ⬂[b] ❪G2,K2,T2❫ & ❪G2,K2❫ ⊢ ⬈ L2. +#b #G1 #G2 #L1 #L2 #T1 #T2 #H elim H -G1 -G2 -L1 -L2 -T1 -T2 [ #I #G #K #V #K1 #H elim (lpx_inv_pair_dx … H) -H #K0 #V0 #HK0 #HV0 #H destruct elim (lifts_total V (𝐔❨1❩)) #T #HVT @@ -37,10 +38,11 @@ lemma lpx_fqu_trans (h) (b): ∀G1,G2,L1,L2,T1,T2. ❪G1,L1,T1❫ ⬂[b] ❪G2,L ] qed-. -lemma fqu_lpx_trans (h) (b): ∀G1,G2,L1,L2,T1,T2. ❪G1,L1,T1❫ ⬂[b] ❪G2,L2,T2❫ → - ∀K2. ❪G2,L2❫ ⊢ ⬈[h] K2 → - ∃∃K1,T. ❪G1,L1❫ ⊢ ⬈[h] K1 & ❪G1,L1❫ ⊢ T1 ⬈[h] T & ❪G1,K1,T❫ ⬂[b] ❪G2,K2,T2❫. -#h #b #G1 #G2 #L1 #L2 #T1 #T2 #H elim H -G1 -G2 -L1 -L2 -T1 -T2 +lemma fqu_lpx_trans (b): + ∀G1,G2,L1,L2,T1,T2. ❪G1,L1,T1❫ ⬂[b] ❪G2,L2,T2❫ → + ∀K2. ❪G2,L2❫ ⊢ ⬈ K2 → + ∃∃K1,T. ❪G1,L1❫ ⊢ ⬈ K1 & ❪G1,L1❫ ⊢ T1 ⬈ T & ❪G1,K1,T❫ ⬂[b] ❪G2,K2,T2❫. +#b #G1 #G2 #L1 #L2 #T1 #T2 #H elim H -G1 -G2 -L1 -L2 -T1 -T2 [ /3 width=5 by lpx_bind_refl_dx, fqu_lref_O, ex3_2_intro/ | /3 width=5 by cpx_pair_sn, fqu_pair_sn, ex3_2_intro/ | #p #I #G2 #L2 #V2 #T2 #Hb #X #H @@ -56,19 +58,21 @@ qed-. (* Properties with extended optional structural successor for closures ******) -lemma lpx_fquq_trans (h) (b): ∀G1,G2,L1,L2,T1,T2. ❪G1,L1,T1❫ ⬂⸮[b] ❪G2,L2,T2❫ → - ∀K1. ❪G1,K1❫ ⊢ ⬈[h] L1 → - ∃∃K2,T. ❪G1,K1❫ ⊢ T1 ⬈[h] T & ❪G1,K1,T❫ ⬂⸮[b] ❪G2,K2,T2❫ & ❪G2,K2❫ ⊢ ⬈[h] L2. -#h #b #G1 #G2 #L1 #L2 #T1 #T2 #H #K1 #HKL1 cases H -H +lemma lpx_fquq_trans (b): + ∀G1,G2,L1,L2,T1,T2. ❪G1,L1,T1❫ ⬂⸮[b] ❪G2,L2,T2❫ → + ∀K1. ❪G1,K1❫ ⊢ ⬈ L1 → + ∃∃K2,T. ❪G1,K1❫ ⊢ T1 ⬈ T & ❪G1,K1,T❫ ⬂⸮[b] ❪G2,K2,T2❫ & ❪G2,K2❫ ⊢ ⬈ L2. +#b #G1 #G2 #L1 #L2 #T1 #T2 #H #K1 #HKL1 cases H -H [ #H12 elim (lpx_fqu_trans … H12 … HKL1) -L1 /3 width=5 by fqu_fquq, ex3_2_intro/ | * #H1 #H2 #H3 destruct /2 width=5 by ex3_2_intro/ ] qed-. -lemma fquq_lpx_trans (h) (b): ∀G1,G2,L1,L2,T1,T2. ❪G1,L1,T1❫ ⬂⸮[b] ❪G2,L2,T2❫ → - ∀K2. ❪G2,L2❫ ⊢ ⬈[h] K2 → - ∃∃K1,T. ❪G1,L1❫ ⊢ ⬈[h] K1 & ❪G1,L1❫ ⊢ T1 ⬈[h] T & ❪G1,K1,T❫ ⬂⸮[b] ❪G2,K2,T2❫. -#h #b #G1 #G2 #L1 #L2 #T1 #T2 #H #K2 #HLK2 cases H -H +lemma fquq_lpx_trans (b): + ∀G1,G2,L1,L2,T1,T2. ❪G1,L1,T1❫ ⬂⸮[b] ❪G2,L2,T2❫ → + ∀K2. ❪G2,L2❫ ⊢ ⬈ K2 → + ∃∃K1,T. ❪G1,L1❫ ⊢ ⬈ K1 & ❪G1,L1❫ ⊢ T1 ⬈ T & ❪G1,K1,T❫ ⬂⸮[b] ❪G2,K2,T2❫. +#b #G1 #G2 #L1 #L2 #T1 #T2 #H #K2 #HLK2 cases H -H [ #H12 elim (fqu_lpx_trans … H12 … HLK2) /3 width=5 by fqu_fquq, ex3_2_intro/ | * #H1 #H2 #H3 destruct /2 width=5 by ex3_2_intro/ ]