X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fdynamic%2Fcnv_cpms_teqx.ma;h=13530d00863fbd0b2366305d4f1df58bd2c5965b;hp=28c781e0f3a6e8950e0facbfc228e5d07f662796;hb=ca7327c20c6031829fade8bb84a3a1bb66113f54;hpb=25c634037771dff0138e5e8e3d4378183ff49b86 diff --git a/matita/matita/contribs/lambdadelta/basic_2/dynamic/cnv_cpms_teqx.ma b/matita/matita/contribs/lambdadelta/basic_2/dynamic/cnv_cpms_teqx.ma index 28c781e0f..13530d008 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/dynamic/cnv_cpms_teqx.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/dynamic/cnv_cpms_teqx.ma @@ -19,10 +19,10 @@ include "basic_2/dynamic/cnv_cpm_teqx_trans.ma". (* Properties with restricted rt-computation for terms **********************) fact cpms_tneqx_fwd_step_sn_aux (h) (a) (n) (G) (L) (T1): - ∀T2. ❪G,L❫ ⊢ T1 ➡*[n,h] T2 → ❪G,L❫ ⊢ T1 ![h,a] → (T1 ≛ T2 → ⊥) → + ∀T2. ❪G,L❫ ⊢ T1 ➡*[h,n] T2 → ❪G,L❫ ⊢ T1 ![h,a] → (T1 ≛ T2 → ⊥) → (∀G0,L0,T0. ❪G,L,T1❫ >[h] ❪G0,L0,T0❫ → IH_cnv_cpms_conf_lpr h a G0 L0 T0) → (∀G0,L0,T0. ❪G,L,T1❫ >[h] ❪G0,L0,T0❫ → IH_cnv_cpm_trans_lpr h a G0 L0 T0) → - ∃∃n1,n2,T0. ❪G,L❫ ⊢ T1 ➡[n1,h] T0 & T1 ≛ T0 → ⊥ & ❪G,L❫ ⊢ T0 ➡*[n2,h] T2 & n1+n2 = n. + ∃∃n1,n2,T0. ❪G,L❫ ⊢ T1 ➡[h,n1] T0 & T1 ≛ T0 → ⊥ & ❪G,L❫ ⊢ T0 ➡*[h,n2] T2 & n1+n2 = n. #h #a #n #G #L #T1 #T2 #H @(cpms_ind_sn … H) -n -T1 [ #_ #H2T2 elim H2T2 -H2T2 // @@ -44,8 +44,8 @@ qed-. fact cpms_teqx_ind_sn (h) (a) (G) (L) (T2) (Q:relation2 …): (❪G,L❫ ⊢ T2 ![h,a] → Q 0 T2) → - (∀n1,n2,T1,T. ❪G,L❫ ⊢ T1 ➡[n1,h] T → ❪G,L❫ ⊢ T1 ![h,a] → T1 ≛ T → ❪G,L❫ ⊢ T ➡*[n2,h] T2 → ❪G,L❫ ⊢ T ![h,a] → T ≛ T2 → Q n2 T → Q (n1+n2) T1) → - ∀n,T1. ❪G,L❫ ⊢ T1 ➡*[n,h] T2 → ❪G,L❫ ⊢ T1 ![h,a] → T1 ≛ T2 → + (∀n1,n2,T1,T. ❪G,L❫ ⊢ T1 ➡[h,n1] T → ❪G,L❫ ⊢ T1 ![h,a] → T1 ≛ T → ❪G,L❫ ⊢ T ➡*[h,n2] T2 → ❪G,L❫ ⊢ T ![h,a] → T ≛ T2 → Q n2 T → Q (n1+n2) T1) → + ∀n,T1. ❪G,L❫ ⊢ T1 ➡*[h,n] T2 → ❪G,L❫ ⊢ T1 ![h,a] → T1 ≛ T2 → (∀G0,L0,T0. ❪G,L,T1❫ >[h] ❪G0,L0,T0❫ → IH_cnv_cpms_conf_lpr h a G0 L0 T0) → (∀G0,L0,T0. ❪G,L,T1❫ >[h] ❪G0,L0,T0❫ → IH_cnv_cpm_trans_lpr h a G0 L0 T0) → Q n T1.