X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Frdsx_lpxs.ma;h=06649215c638c3237c828a5e906decd5a2ac7490;hp=c9f49cfe19c41c5eaf0085dd4a3e6707f10b8cd2;hb=222044da28742b24584549ba86b1805a87def070;hpb=5c186c72f508da0849058afeecc6877cd9ed6303 diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/rdsx_lpxs.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/rdsx_lpxs.ma index c9f49cfe1..06649215c 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/rdsx_lpxs.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/rdsx_lpxs.ma @@ -12,7 +12,7 @@ (* *) (**************************************************************************) -include "basic_2/rt_computation/lpxs_lfdeq.ma". +include "basic_2/rt_computation/lpxs_rdeq.ma". include "basic_2/rt_computation/lpxs_lpxs.ma". include "basic_2/rt_computation/rdsx_rdsx.ma". @@ -35,28 +35,28 @@ qed-. (* Eliminators with unbound rt-computation for full local environments ******) -lemma rdsx_ind_lpxs_lfdeq (h) (o) (G): - ∀T. ∀Q:predicate lenv. - (∀L1. G ⊢ ⬈*[h, o, T] 𝐒⦃L1⦄ → - (∀L2. ⦃G, L1⦄ ⊢ ⬈*[h] L2 → (L1 ≛[h, o, T] L2 → ⊥) → Q L2) → - Q L1 - ) → - ∀L1. G ⊢ ⬈*[h, o, T] 𝐒⦃L1⦄ → - ∀L0. ⦃G, L1⦄ ⊢ ⬈*[h] L0 → ∀L2. L0 ≛[h, o, T] L2 → Q L2. +lemma rdsx_ind_lpxs_rdeq (h) (o) (G): + ∀T. ∀Q:predicate lenv. + (∀L1. G ⊢ ⬈*[h, o, T] 𝐒⦃L1⦄ → + (∀L2. ⦃G, L1⦄ ⊢ ⬈*[h] L2 → (L1 ≛[h, o, T] L2 → ⊥) → Q L2) → + Q L1 + ) → + ∀L1. G ⊢ ⬈*[h, o, T] 𝐒⦃L1⦄ → + ∀L0. ⦃G, L1⦄ ⊢ ⬈*[h] L0 → ∀L2. L0 ≛[h, o, T] L2 → Q L2. #h #o #G #T #Q #IH #L1 #H @(rdsx_ind … H) -L1 #L1 #HL1 #IH1 #L0 #HL10 #L2 #HL02 -@IH -IH /3 width=3 by rdsx_lpxs_trans, rdsx_lfdeq_trans/ -HL1 #K2 #HLK2 #HnLK2 -lapply (lfdeq_lfdneq_trans … HL02 … HnLK2) -HnLK2 #H -elim (lfdeq_lpxs_trans … HLK2 … HL02) -L2 #K0 #HLK0 #HK02 -lapply (lfdneq_lfdeq_canc_dx … H … HK02) -H #HnLK0 -elim (lfdeq_dec h o L1 L0 T) #H -[ lapply (lfdeq_lfdneq_trans … H … HnLK0) -H -HnLK0 #Hn10 +@IH -IH /3 width=3 by rdsx_lpxs_trans, rdsx_rdeq_trans/ -HL1 #K2 #HLK2 #HnLK2 +lapply (rdeq_rdneq_trans … HL02 … HnLK2) -HnLK2 #H +elim (rdeq_lpxs_trans … HLK2 … HL02) -L2 #K0 #HLK0 #HK02 +lapply (rdneq_rdeq_canc_dx … H … HK02) -H #HnLK0 +elim (rdeq_dec h o L1 L0 T) #H +[ lapply (rdeq_rdneq_trans … H … HnLK0) -H -HnLK0 #Hn10 lapply (lpxs_trans … HL10 … HLK0) -L0 #H10 - elim (lpxs_lfdneq_inv_step_sn … H10 … Hn10) -H10 -Hn10 - /3 width=8 by lfdeq_trans/ -| elim (lpxs_lfdneq_inv_step_sn … HL10 … H) -HL10 -H #L #K #HL1 #HnL1 #HLK #HKL0 - elim (lfdeq_lpxs_trans … HLK0 … HKL0) -L0 - /3 width=8 by lpxs_trans, lfdeq_trans/ + elim (lpxs_rdneq_inv_step_sn … H10 … Hn10) -H10 -Hn10 + /3 width=8 by rdeq_trans/ +| elim (lpxs_rdneq_inv_step_sn … HL10 … H) -HL10 -H #L #K #HL1 #HnL1 #HLK #HKL0 + elim (rdeq_lpxs_trans … HLK0 … HKL0) -L0 + /3 width=8 by lpxs_trans, rdeq_trans/ ] qed-. @@ -69,7 +69,7 @@ lemma rdsx_ind_lpxs (h) (o) (G): ) → ∀L. G ⊢ ⬈*[h, o, T] 𝐒⦃L⦄ → Q L. #h #o #G #T #Q #IH #L #HL -@(rdsx_ind_lpxs_lfdeq … IH … HL) -IH -HL // (**) (* full auto fails *) +@(rdsx_ind_lpxs_rdeq … IH … HL) -IH -HL // (**) (* full auto fails *) qed-. (* Advanced properties ******************************************************) @@ -84,10 +84,10 @@ fact rdsx_bind_lpxs_aux (h) (o) (G): #Y #HY #IHY #L2 #H #HL12 destruct @rdsx_intro_lpxs #L0 #HL20 lapply (lpxs_trans … HL12 … HL20) #HL10 #H -elim (lfdneq_inv_bind … H) -H [ -IHY | -HY -IHL1 -HL12 ] -[ #HnV elim (lfdeq_dec h o L1 L2 V) +elim (rdneq_inv_bind … H) -H [ -IHY | -HY -IHL1 -HL12 ] +[ #HnV elim (rdeq_dec h o L1 L2 V) [ #HV @(IHL1 … HL10) -IHL1 -HL12 -HL10 - /3 width=4 by rdsx_lpxs_trans, lpxs_bind_refl_dx, lfdeq_canc_sn/ (**) (* full auto too slow *) + /3 width=4 by rdsx_lpxs_trans, lpxs_bind_refl_dx, rdeq_canc_sn/ (**) (* full auto too slow *) | -HnV -HL10 /4 width=4 by rdsx_lpxs_trans, lpxs_bind_refl_dx/ ] | /3 width=4 by lpxs_bind_refl_dx/ @@ -110,10 +110,10 @@ lemma rdsx_flat_lpxs (h) (o) (G): #L1 #HL1 #IHL1 #L2 #T #H @(rdsx_ind_lpxs … H) -L2 #L2 #HL2 #IHL2 #HL12 @rdsx_intro_lpxs #L0 #HL20 lapply (lpxs_trans … HL12 … HL20) -#HL10 #H elim (lfdneq_inv_flat … H) -H [ -HL1 -IHL2 | -HL2 -IHL1 ] -[ #HnV elim (lfdeq_dec h o L1 L2 V) +#HL10 #H elim (rdneq_inv_flat … H) -H [ -HL1 -IHL2 | -HL2 -IHL1 ] +[ #HnV elim (rdeq_dec h o L1 L2 V) [ #HV @(IHL1 … HL10) -IHL1 -HL12 -HL10 - /3 width=5 by rdsx_lpxs_trans, lfdeq_canc_sn/ (**) (* full auto too slow: 47s *) + /3 width=5 by rdsx_lpxs_trans, rdeq_canc_sn/ (**) (* full auto too slow: 47s *) | -HnV -HL10 /3 width=4 by rdsx_lpxs_trans/ ] | /3 width=3 by/ @@ -136,10 +136,10 @@ fact rdsx_bind_lpxs_void_aux (h) (o) (G): #Y #HY #IHY #L2 #H #HL12 destruct @rdsx_intro_lpxs #L0 #HL20 lapply (lpxs_trans … HL12 … HL20) #HL10 #H -elim (lfdneq_inv_bind_void … H) -H [ -IHY | -HY -IHL1 -HL12 ] -[ #HnV elim (lfdeq_dec h o L1 L2 V) +elim (rdneq_inv_bind_void … H) -H [ -IHY | -HY -IHL1 -HL12 ] +[ #HnV elim (rdeq_dec h o L1 L2 V) [ #HV @(IHL1 … HL10) -IHL1 -HL12 -HL10 - /3 width=6 by rdsx_lpxs_trans, lpxs_bind_refl_dx, lfdeq_canc_sn/ (**) (* full auto too slow *) + /3 width=6 by rdsx_lpxs_trans, lpxs_bind_refl_dx, rdeq_canc_sn/ (**) (* full auto too slow *) | -HnV -HL10 /4 width=4 by rdsx_lpxs_trans, lpxs_bind_refl_dx/ ] | /3 width=4 by lpxs_bind_refl_dx/