X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Fcpx_etc.ma;h=19999ed9b7953886e359107eb46367080df73829;hb=42705ef31dd3513a998533e02b5f20fb38dd4fb2;hp=7a516ee462b55ac8eb9b7d86eed95e24f25b1599;hpb=6ed4f0127b8acb6caeba6fbfadef7f990dd7803e;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpx_etc.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpx_etc.ma index 7a516ee46..19999ed9b 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpx_etc.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpx_etc.ma @@ -15,49 +15,88 @@ include "basic_2/static/fle_drops.ma". include "basic_2/static/fle_fqup.ma". include "basic_2/static/fle_fle.ma". -include "basic_2/static/lfxs.ma". +include "basic_2/static/lfxs_length.ma". include "basic_2/rt_transition/cpx.ma". -axiom fle_pair_sn: ∀L,V1,V2. ⦃L, V1⦄ ⊆ ⦃L, V2⦄ → - ∀I1,I2,T. ⦃L.ⓑ{I1}V1, T⦄ ⊆ ⦃L.ⓑ{I2}V2, T⦄. -(* -axiom fle_elim_flat: ∀L1,L2,V1,T2. ⦃L1, V1⦄ ⊆ ⦃L2, T2⦄ → ∀T1. ⦃L1, T1⦄ ⊆ ⦃L2, T2⦄ → - ∀I. ⦃L1, ⓕ{I}V1.T1⦄ ⊆ ⦃L2, T2⦄. -axiom fle_elim_bind: - ∀p,I1,I2,J1,J2,L,V,W,T. ⦃L, ⓑ{p,I1}ⓕ{J1}V.W.T⦄ ⊆ ⦃L, ⓕ{J2}V.ⓑ{p,I2}W.T⦄. -*) +lemma fle_zero_bi: ∀K1,K2. |K1| = |K2| → ∀V1,V2. ⦃K1, V1⦄ ⊆ ⦃K2, V2⦄ → + ∀I1,I2. ⦃K1.ⓑ{I1}V1, #O⦄ ⊆ ⦃K2.ⓑ{I2}V2, #O⦄. +#K1 #K2 #HK #V1 #V2 +* #n1 #n2 #f1 #f2 #Hf1 #Hf2 #HK12 #Hf12 +#I1 #I2 +elim (lveq_inj_length … HK12) // -HK #H1 #H2 destruct +/3 width=12 by frees_pair, lveq_bind, sle_next, ex4_4_intro/ +qed. + (* UNCOUNTED CONTEXT-SENSITIVE PARALLEL RT-TRANSITION FOR TERMS *************) (* Properties with context-sensitive free variables *************************) (* Note: "⦃L2, T1⦄ ⊆ ⦃L0, T1⦄" may not hold *) -axiom cpx_lfxs_conf_gen: ∀R. c_reflexive … R → - ∀h,G,L0,T0,T1. ⦃G, L0⦄ ⊢ T0 ⬈[h] T1 → +axiom cpx_lfxs_conf_fle: ∀R,h. c_reflexive … R → + (∨∨ (∀G. (cpx h G) = R) | R_fle_compatible R) → + ∀G,L0,T0,T1. ⦃G, L0⦄ ⊢ T0 ⬈[h] T1 → ∀L2. L0 ⪤*[R, T0] L2 → ∧∧ ⦃L2, T0⦄ ⊆ ⦃L0, T0⦄ & ⦃L2, T1⦄ ⊆ ⦃L2, T0⦄ & ⦃L0, T1⦄ ⊆ ⦃L0, T0⦄. (* -#R #HR #h #G #L0 #T0 @(fqup_wf_ind_eq (Ⓕ) … G L0 T0) -G -L0 -T0 +#R #h #H1R #H2R #G #L0 #T0 @(fqup_wf_ind_eq (Ⓕ) … G L0 T0) -G -L0 -T0 #G #L #T #IH #G0 #L0 * * -[ #s #HG #HL #HT #X #HX #Y #_ destruct -IH +[ #s #HG #HL #HT #X #HX #Y #HY destruct -IH + lapply (lfxs_fwd_length … HY) -HY #H0 elim (cpx_inv_sort1 … HX) -HX #H destruct - /2 width=1 by and3_intro/ -| -| #l #HG #HL #HT #X #HX #Y #_ destruct -IH + /3 width=1 by fle_sort_length, and3_intro/ +| * [| #i ] #HG #HL #HT #X #HX #Y #HY destruct + [ elim (cpx_inv_zero1 … HX) -HX + [ #H destruct + elim (lfxs_inv_zero … HY) -HY * + [ #H1 #H2 destruct -IH /2 width=1 by and3_intro/ + | #I #K0 #K2 #V0 #V2 #HK02 #HV02 #H1 #H2 destruct + lapply (lfxs_fwd_length … HK02) #HK + elim H2R -H2R #H2R + [ <(H2R G0) in HV02; -H2R #HV02 + elim (IH … HV02 … HK02) /2 width=2 by fqu_fqup, fqu_lref_O/ -IH -HV02 -HK02 #H1V #H2V #_ + /4 width=1 by fle_trans_tc, fle_zero_bi, and3_intro/ + | lapply (H2R … HV02 … HK02) -H2R -HV02 -HK02 -IH #HKV20 + /3 width=1 by fle_zero_bi, and3_intro/ + ] + | #f #I #K0 #K2 #Hf #HK02 #H1 #H2 destruct + ] + | * #I0 #K0 #V0 #V1 #HV01 #HV1X #H destruct + elim (lfxs_inv_zero_pair_sn … HY) -HY #K2 #V2 #HK02 #HV02 #H destruct + ] + | elim (cpx_inv_lref1 … HX) -HX + [ #H destruct + elim (lfxs_inv_lref … HY) -HY * + [ #H0 #H1 destruct /2 width=1 by and3_intro/ + | #I0 #I2 #K0 #K2 #HK02 #H1 #H2 destruct + lapply (lfxs_fwd_length … HK02) #HK + elim (IH … HK02) [|*: /2 width=4 by fqu_fqup/ ] -IH -HK02 + /3 width=5 by and3_intro, fle_lifts_SO/ + ] + | * #I0 #K0 #V1 #HV1 #HV1X #H0 destruct + elim (lfxs_inv_lref_bind_sn … HY) -HY #I2 #K2 #HK02 #H destruct + lapply (lfxs_fwd_length … HK02) #HK + elim (IH … HK02) [|*: /2 width=4 by fqu_fqup/ ] -IH -HV1 -HK02 + /3 width=5 by fle_lifts_SO, and3_intro/ + ] + ] +| #l #HG #HL #HT #X #HX #Y #HY destruct -IH + lapply (lfxs_fwd_length … HY) -HY #H0 >(cpx_inv_gref1 … HX) -X - /2 width=1 by and3_intro/ + /3 width=1 by fle_gref_length, and3_intro/ | #p #I #V0 #T0 #HG #HL #HT #X #HX #Y #HY destruct + lapply (lfxs_fwd_length … HY) #H0 elim (lfxs_inv_bind … V0 ? HY) -HY // #HV0 #HT0 elim (cpx_inv_bind1 … HX) -HX * [ #V1 #T1 #HV01 #HT01 #H destruct elim (IH … HV01 … HV0) -HV01 -HV0 // #H1V #H2V #H3V elim (IH … HT01 … HT0) -HT01 -HT0 -IH // #H1T #H2T #H3T - /5 width=4 by fle_pair_sn, fle_trans, fle_bind, and3_intro/ + /4 width=3 by fle_bind_eq, fle_fwd_pair_sn, and3_intro/ | #T #HT #HXT #H1 #H2 destruct elim (IH G0 … V0… V0 … HV0) -HV0 // #H1V #H2V #H3V elim (IH … HT … HT0) -HT -HT0 -IH // #H1T #H2T #H3T - /4 width=7 by fle_bind_dx, fle_trans, fle_bind, and3_intro/ + /3 width=5 by fle_bind, fle_inv_lifts_sn, and3_intro/ ] | #I #V0 #X0 #HG #HL #HT #X #HX #Y #HY destruct elim (lfxs_inv_flat … HY) -HY #HV0 #HX0 @@ -69,25 +108,32 @@ axiom cpx_lfxs_conf_gen: ∀R. c_reflexive … R → | #HX #H destruct elim (IH G0 … V0… V0 … HV0) -HV0 // #H1V #H2V #H3V elim (IH … HX … HX0) -HX -HX0 -IH // #H1T #H2T #H3T - /4 width=4 by fle_trans, fle_flat, and3_intro/ + /4 width=3 by fle_flat_sn, fle_flat_dx_dx, fle_flat_dx_sn, and3_intro/ | #HX #H destruct elim (IH … HX … HV0) -HX -HV0 // #H1V #H2V #H3V elim (IH G0 … X0… X0 … HX0) -HX0 -IH // #H1T #H2T #H3T - /4 width=4 by fle_trans, fle_flat, and3_intro/ + /4 width=3 by fle_flat_sn, fle_flat_dx_dx, fle_flat_dx_sn, and3_intro/ | #p #V1 #W0 #W1 #T0 #T1 #HV01 #HW01 #HT01 #H1 #H2 #H3 destruct elim (lfxs_inv_bind … W0 ? HX0) -HX0 // #HW0 #HT0 elim (IH … HV01 … HV0) -HV01 -HV0 // #H1V #H2V #H3V elim (IH … HW01 … HW0) -HW01 -HW0 // #H1W #H2W #H3W elim (IH … HT01 … HT0) -HT01 -HT0 -IH // #H1T #H2T #H3T - @and3_intro - [ /3 width=5 by fle_flat, fle_bind/ - | @(fle_trans) - [4: @(fle_flat … H2V) [2: @(fle_bind … H2T) // | skip | @Appl ] - |1,2: skip - | @(fle_trans) [3: @fle_elim_bind - - … H2T) // - - // |1,2: skip - | /2 width=1 by fle_bind_dx/ + lapply (fle_fwd_pair_sn … H2T) -H2T #H2T + lapply (fle_fwd_pair_sn … H3T) -H3T #H3T + @and3_intro [ /3 width=5 by fle_flat, fle_bind/ ] (**) (* full auto too slow *) + @fle_bind_sn_ge /4 width=1 by fle_shift, fle_flat_sn, fle_flat_dx_dx, fle_flat_dx_sn, fle_bind_dx_sn/ + | #p #V1 #X1 #W0 #W1 #T0 #T1 #HV01 #HVX1 #HW01 #HT01 #H1 #H2 #H3 destruct + elim (lfxs_inv_bind … W0 ? HX0) -HX0 // #HW0 #HT0 + elim (IH … HV01 … HV0) -HV01 -HV0 // #H1V #H2V #H3V + elim (IH … HW01 … HW0) -HW01 -HW0 // #H1W #H2W #H3W + elim (IH … HT01 … HT0) -HT01 -HT0 -IH // #H1T #H2T #H3T + lapply (fle_fwd_pair_sn … H2T) -H2T #H2T + lapply (fle_fwd_pair_sn … H3T) -H3T #H3T + @and3_intro[ /3 width=5 by fle_flat, fle_bind/ ] (**) (* full auto too slow *) + @fle_bind_sn_ge // + [1,3: /3 width=1 by fle_flat_dx_dx, fle_bind_dx_sn/ + |2,4: /4 width=3 by fle_flat_sn, fle_flat_dx_sn, fle_flat_dx_dx, fle_shift, fle_lifts_sn/ + ] + ] +] *)