(* Inversion lemmas with restricted rt-transition for terms *****************)
-lemma cnv_cpr_tdeq_fwd_refl (a) (h) (o) (G) (L):
- ∀T1,T2. ⦃G, L⦄ ⊢ T1 ➡[h] T2 → T1 ≛[h,o] T2 →
+lemma cnv_cpr_tdeq_fwd_refl (a) (h) (G) (L):
+ ∀T1,T2. ⦃G, L⦄ ⊢ T1 ➡[h] T2 → T1 ≛ T2 →
⦃G, L⦄ ⊢ T1 ![a,h] → T1 = T2.
-#a #h #o #G #L #T1 #T2 #H @(cpr_ind … H) -G -L -T1 -T2
+#a #h #G #L #T1 #T2 #H @(cpr_ind … H) -G -L -T1 -T2
[ //
| #G #K #V1 #V2 #X2 #_ #_ #_ #H1 #_ -a -G -K -V1 -V2
lapply (tdeq_inv_lref1 … H1) -H1 #H destruct //
elim (cnv_fwd_flat … H2) -H2 #HV1 #HT1
/3 width=3 by eq_f2/
| #G #K #V #T1 #X1 #X2 #HXT1 #HX12 #_ #H1 #H2
- elim (cnv_fpbg_refl_false … o … H2) -a
+ elim (cnv_fpbg_refl_false … H2) -a
@(fpbg_tdeq_div … H1) -H1
/3 width=9 by cpm_tdneq_cpm_fpbg, cpm_zeta, tdeq_lifts_inv_pair_sn/
| #G #L #U #T1 #T2 #HT12 #_ #H1 #H2
- elim (cnv_fpbg_refl_false … o … H2) -a
+ elim (cnv_fpbg_refl_false … H2) -a
@(fpbg_tdeq_div … H1) -H1
/3 width=6 by cpm_tdneq_cpm_fpbg, cpm_eps, tdeq_inv_pair_xy_y/
| #p #G #L #V1 #V2 #W1 #W2 #T1 #T2 #_ #_ #_ #_ #_ #_ #H1 #_
]
qed-.
-lemma cpm_tdeq_inv_bind_sn (a) (h) (o) (n) (p) (I) (G) (L):
+lemma cpm_tdeq_inv_bind_sn (a) (h) (n) (p) (I) (G) (L):
∀V,T1. ⦃G, L⦄ ⊢ ⓑ{p,I}V.T1 ![a,h] →
- ∀X. ⦃G, L⦄ ⊢ ⓑ{p,I}V.T1 ➡[n,h] X → ⓑ{p,I}V.T1 ≛[h,o] X →
- ∃∃T2. ⦃G,L⦄ ⊢ V ![a,h] & ⦃G, L.ⓑ{I}V⦄ ⊢ T1 ![a,h] & ⦃G, L.ⓑ{I}V⦄ ⊢ T1 ➡[n,h] T2 & T1 ≛[h,o] T2 & X = ⓑ{p,I}V.T2.
-#a #h #o #n #p #I #G #L #V #T1 #H0 #X #H1 #H2
+ ∀X. ⦃G, L⦄ ⊢ ⓑ{p,I}V.T1 ➡[n,h] X → ⓑ{p,I}V.T1 ≛ X →
+ ∃∃T2. ⦃G,L⦄ ⊢ V ![a,h] & ⦃G, L.ⓑ{I}V⦄ ⊢ T1 ![a,h] & ⦃G, L.ⓑ{I}V⦄ ⊢ T1 ➡[n,h] T2 & T1 ≛ T2 & X = ⓑ{p,I}V.T2.
+#a #h #n #p #I #G #L #V #T1 #H0 #X #H1 #H2
elim (cpm_inv_bind1 … H1) -H1 *
[ #XV #T2 #HXV #HT12 #H destruct
elim (tdeq_inv_pair … H2) -H2 #_ #H2XV #H2T12
lapply (cnv_cpr_tdeq_fwd_refl … HXV H2XV HV) #H destruct -HXV -H2XV
/2 width=4 by ex5_intro/
| #X1 #HXT1 #HX1 #H1 #H destruct
- elim (cnv_fpbg_refl_false … o … H0) -a
+ elim (cnv_fpbg_refl_false … H0) -a
@(fpbg_tdeq_div … H2) -H2
/3 width=9 by cpm_tdneq_cpm_fpbg, cpm_zeta, tdeq_lifts_inv_pair_sn/
]
qed-.
-lemma cpm_tdeq_inv_appl_sn (a) (h) (o) (n) (G) (L):
+lemma cpm_tdeq_inv_appl_sn (a) (h) (n) (G) (L):
∀V,T1. ⦃G,L⦄ ⊢ ⓐV.T1 ![a,h] →
- ∀X. ⦃G,L⦄ ⊢ ⓐV.T1 ➡[n,h] X → ⓐV.T1 ≛[h,o] X →
+ ∀X. ⦃G,L⦄ ⊢ ⓐV.T1 ➡[n,h] X → ⓐV.T1 ≛ X →
∃∃m,q,W,U1,T2. a = Ⓣ → m ≤ 1 & ⦃G,L⦄ ⊢ V ![a,h] & ⦃G, L⦄ ⊢ V ➡*[1,h] W & ⦃G, L⦄ ⊢ T1 ➡*[m,h] ⓛ{q}W.U1
- & ⦃G,L⦄⊢ T1 ![a,h] & ⦃G, L⦄ ⊢ T1 ➡[n,h] T2 & T1 ≛[h,o] T2 & X = ⓐV.T2.
-#a #h #o #n #G #L #V #T1 #H0 #X #H1 #H2
+ & ⦃G,L⦄⊢ T1 ![a,h] & ⦃G, L⦄ ⊢ T1 ➡[n,h] T2 & T1 ≛ T2 & X = ⓐV.T2.
+#a #h #n #G #L #V #T1 #H0 #X #H1 #H2
elim (cpm_inv_appl1 … H1) -H1 *
[ #XV #T2 #HXV #HT12 #H destruct
elim (tdeq_inv_pair … H2) -H2 #_ #H2XV #H2T12
]
qed-.
-lemma cpm_tdeq_inv_cast_sn (a) (h) (o) (n) (G) (L):
+lemma cpm_tdeq_inv_cast_sn (a) (h) (n) (G) (L):
∀U1,T1. ⦃G, L⦄ ⊢ ⓝU1.T1 ![a,h] →
- ∀X. ⦃G, L⦄ ⊢ ⓝU1.T1 ➡[n,h] X → ⓝU1.T1 ≛[h,o] X →
+ ∀X. ⦃G, L⦄ ⊢ ⓝU1.T1 ➡[n,h] X → ⓝU1.T1 ≛ X →
∃∃U0,U2,T2. ⦃G,L⦄ ⊢ U1 ➡*[h] U0 & ⦃G,L⦄ ⊢ T1 ➡*[1,h] U0
- & ⦃G, L⦄ ⊢ U1 ![a,h] & ⦃G, L⦄ ⊢ U1 ➡[n,h] U2 & U1 ≛[h,o] U2
- & ⦃G, L⦄ ⊢ T1 ![a,h] & ⦃G, L⦄ ⊢ T1 ➡[n,h] T2 & T1 ≛[h,o] T2 & X = ⓝU2.T2.
-#a #h #o #n #G #L #U1 #T1 #H0 #X #H1 #H2
+ & ⦃G, L⦄ ⊢ U1 ![a,h] & ⦃G, L⦄ ⊢ U1 ➡[n,h] U2 & U1 ≛ U2
+ & ⦃G, L⦄ ⊢ T1 ![a,h] & ⦃G, L⦄ ⊢ T1 ➡[n,h] T2 & T1 ≛ T2 & X = ⓝU2.T2.
+#a #h #n #G #L #U1 #T1 #H0 #X #H1 #H2
elim (cpm_inv_cast1 … H1) -H1 [ * || * ]
[ #U2 #T2 #HU12 #HT12 #H destruct
elim (tdeq_inv_pair … H2) -H2 #_ #H2U12 #H2T12
elim (cnv_inv_cast … H0) -H0 #U0 #HU1 #HT1 #HU10 #HT1U0
/2 width=7 by ex9_3_intro/
| #HT1X
- elim (cnv_fpbg_refl_false … o … H0) -a
+ elim (cnv_fpbg_refl_false … H0) -a
@(fpbg_tdeq_div … H2) -H2
/3 width=6 by cpm_tdneq_cpm_fpbg, cpm_eps, tdeq_inv_pair_xy_y/
| #m #HU1X #H destruct
- elim (cnv_fpbg_refl_false … o … H0) -a
+ elim (cnv_fpbg_refl_false … H0) -a
@(fpbg_tdeq_div … H2) -H2
/3 width=6 by cpm_tdneq_cpm_fpbg, cpm_ee, tdeq_inv_pair_xy_x/
]
qed-.
-lemma cpm_tdeq_inv_bind_dx (a) (h) (o) (n) (p) (I) (G) (L):
+lemma cpm_tdeq_inv_bind_dx (a) (h) (n) (p) (I) (G) (L):
∀X. ⦃G, L⦄ ⊢ X ![a,h] →
- ∀V,T2. ⦃G, L⦄ ⊢ X ➡[n,h] ⓑ{p,I}V.T2 → X ≛[h,o] ⓑ{p,I}V.T2 →
- ∃∃T1. ⦃G,L⦄ ⊢ V ![a,h] & ⦃G, L.ⓑ{I}V⦄ ⊢ T1 ![a,h] & ⦃G, L.ⓑ{I}V⦄ ⊢ T1 ➡[n,h] T2 & T1 ≛[h,o] T2 & X = ⓑ{p,I}V.T1.
-#a #h #o #n #p #I #G #L #X #H0 #V #T2 #H1 #H2
+ ∀V,T2. ⦃G, L⦄ ⊢ X ➡[n,h] ⓑ{p,I}V.T2 → X ≛ ⓑ{p,I}V.T2 →
+ ∃∃T1. ⦃G,L⦄ ⊢ V ![a,h] & ⦃G, L.ⓑ{I}V⦄ ⊢ T1 ![a,h] & ⦃G, L.ⓑ{I}V⦄ ⊢ T1 ➡[n,h] T2 & T1 ≛ T2 & X = ⓑ{p,I}V.T1.
+#a #h #n #p #I #G #L #X #H0 #V #T2 #H1 #H2
elim (tdeq_inv_pair2 … H2) #V0 #T1 #_ #_ #H destruct
elim (cpm_tdeq_inv_bind_sn … H0 … H1 H2) -H0 -H1 -H2 #T0 #HV #HT1 #H1T12 #H2T12 #H destruct
/2 width=5 by ex5_intro/
(* Eliminators with restricted rt-transition for terms **********************)
-lemma cpm_tdeq_ind (a) (h) (o) (n) (G) (Q:relation3 …):
+lemma cpm_tdeq_ind (a) (h) (n) (G) (Q:relation3 …):
(∀I,L. n = 0 → Q L (⓪{I}) (⓪{I})) →
- (∀L,s. n = 1 → deg h o s 0 → Q L (⋆s) (⋆(next h s))) →
+ (∀L,s. n = 1 → Q L (⋆s) (⋆(next h s))) →
(∀p,I,L,V,T1. ⦃G,L⦄⊢ V![a,h] → ⦃G,L.ⓑ{I}V⦄⊢T1![a,h] →
- ∀T2. ⦃G,L.ⓑ{I}V⦄ ⊢ T1 ➡[n,h] T2 → T1 ≛[h,o] T2 →
+ ∀T2. ⦃G,L.ⓑ{I}V⦄ ⊢ T1 ➡[n,h] T2 → T1 ≛ T2 →
Q (L.ⓑ{I}V) T1 T2 → Q L (ⓑ{p,I}V.T1) (ⓑ{p,I}V.T2)
) →
(∀m. (a = Ⓣ → m ≤ 1) →
∀L,V. ⦃G,L⦄ ⊢ V ![a,h] → ∀W. ⦃G, L⦄ ⊢ V ➡*[1,h] W →
∀p,T1,U1. ⦃G, L⦄ ⊢ T1 ➡*[m,h] ⓛ{p}W.U1 → ⦃G,L⦄⊢ T1 ![a,h] →
- ∀T2. ⦃G, L⦄ ⊢ T1 ➡[n,h] T2 → T1 ≛[h,o] T2 →
+ ∀T2. ⦃G, L⦄ ⊢ T1 ➡[n,h] T2 → T1 ≛ T2 →
Q L T1 T2 → Q L (ⓐV.T1) (ⓐV.T2)
) →
(∀L,U0,U1,T1. ⦃G,L⦄ ⊢ U1 ➡*[h] U0 → ⦃G,L⦄ ⊢ T1 ➡*[1,h] U0 →
- ∀U2. ⦃G, L⦄ ⊢ U1 ![a,h] → ⦃G, L⦄ ⊢ U1 ➡[n,h] U2 → U1 ≛[h,o] U2 →
- ∀T2. ⦃G, L⦄ ⊢ T1 ![a,h] → ⦃G, L⦄ ⊢ T1 ➡[n,h] T2 → T1 ≛[h,o] T2 →
+ ∀U2. ⦃G, L⦄ ⊢ U1 ![a,h] → ⦃G, L⦄ ⊢ U1 ➡[n,h] U2 → U1 ≛ U2 →
+ ∀T2. ⦃G, L⦄ ⊢ T1 ![a,h] → ⦃G, L⦄ ⊢ T1 ➡[n,h] T2 → T1 ≛ T2 →
Q L U1 U2 → Q L T1 T2 → Q L (ⓝU1.T1) (ⓝU2.T2)
) →
∀L,T1. ⦃G,L⦄ ⊢ T1 ![a,h] →
- ∀T2. ⦃G,L⦄ ⊢ T1 ➡[n,h] T2 → T1 ≛[h,o] T2 → Q L T1 T2.
-#a #h #o #n #G #Q #IH1 #IH2 #IH3 #IH4 #IH5 #L #T1
+ ∀T2. ⦃G,L⦄ ⊢ T1 ➡[n,h] T2 → T1 ≛ T2 → Q L T1 T2.
+#a #h #n #G #Q #IH1 #IH2 #IH3 #IH4 #IH5 #L #T1
@(insert_eq_0 … G) #F
@(fqup_wf_ind_eq (Ⓣ) … F L T1) -L -T1 -F
#G0 #L0 #T0 #IH #F #L * [| * [| * ]]
[ #I #_ #_ #_ #_ #HF #X #H1X #H2X destruct -G0 -L0 -T0
elim (cpm_tdeq_inv_atom_sn … H1X H2X) -H1X -H2X *
[ #H1 #H2 destruct /2 width=1 by/
- | #s #H1 #H2 #H3 #Hs destruct /2 width=1 by/
+ | #s #H1 #H2 #H3 destruct /2 width=1 by/
]
| #p #I #V #T1 #HG #HL #HT #H0 #HF #X #H1X #H2X destruct
elim (cpm_tdeq_inv_bind_sn … H0 … H1X H2X) -H0 -H1X -H2X #T2 #HV #HT1 #H1T12 #H2T12 #H destruct
(* Advanced properties with restricted rt-transition for terms **************)
-lemma cpm_tdeq_free (a) (h) (o) (n) (G) (L):
+lemma cpm_tdeq_free (a) (h) (n) (G) (L):
∀T1. ⦃G, L⦄ ⊢ T1 ![a,h] →
- ∀T2. ⦃G, L⦄ ⊢ T1 ➡[n,h] T2 → T1 ≛[h,o] T2 →
+ ∀T2. ⦃G, L⦄ ⊢ T1 ➡[n,h] T2 → T1 ≛ T2 →
∀F,K. ⦃F, K⦄ ⊢ T1 ➡[n,h] T2.
-#a #h #o #n #G #L #T1 #H0 #T2 #H1 #H2
+#a #h #n #G #L #T1 #H0 #T2 #H1 #H2
@(cpm_tdeq_ind … H0 … H1 H2) -L -T1 -T2
[ #I #L #H #F #K destruct //
-| #L #s #H #_ #F #K destruct //
+| #L #s #H #F #K destruct //
| #p #I #L #V #T1 #_ #_ #T2 #_ #_ #IH #F #K
/2 width=1 by cpm_bind/
| #m #_ #L #V #_ #W #_ #q #T1 #U1 #_ #_ #T2 #_ #_ #IH #F #K
(* Advanced inversion lemmas with restricted rt-transition for terms ********)
-lemma cpm_tdeq_inv_bind_sn_void (a) (h) (o) (n) (p) (I) (G) (L):
+lemma cpm_tdeq_inv_bind_sn_void (a) (h) (n) (p) (I) (G) (L):
∀V,T1. ⦃G, L⦄ ⊢ ⓑ{p,I}V.T1 ![a,h] →
- ∀X. ⦃G, L⦄ ⊢ ⓑ{p,I}V.T1 ➡[n,h] X → ⓑ{p,I}V.T1 ≛[h,o] X →
- ∃∃T2. ⦃G,L⦄ ⊢ V ![a,h] & ⦃G, L.ⓑ{I}V⦄ ⊢ T1 ![a,h] & ⦃G, L.ⓧ⦄ ⊢ T1 ➡[n,h] T2 & T1 ≛[h,o] T2 & X = ⓑ{p,I}V.T2.
-#a #h #o #n #p #I #G #L #V #T1 #H0 #X #H1 #H2
+ ∀X. ⦃G, L⦄ ⊢ ⓑ{p,I}V.T1 ➡[n,h] X → ⓑ{p,I}V.T1 ≛ X →
+ ∃∃T2. ⦃G,L⦄ ⊢ V ![a,h] & ⦃G, L.ⓑ{I}V⦄ ⊢ T1 ![a,h] & ⦃G, L.ⓧ⦄ ⊢ T1 ➡[n,h] T2 & T1 ≛ T2 & X = ⓑ{p,I}V.T2.
+#a #h #n #p #I #G #L #V #T1 #H0 #X #H1 #H2
elim (cpm_tdeq_inv_bind_sn … H0 … H1 H2) -H0 -H1 -H2 #T2 #HV #HT1 #H1T12 #H2T12 #H
/3 width=5 by ex5_intro, cpm_tdeq_free/
qed-.
projects / helm.git / blobdiff