X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Flpr.ma;h=f47d6640e7641206ded87e8082f3599e238d2329;hp=f69cb5e673d3ffdbf7f325f179ff30f0dd963c49;hb=f308429a0fde273605a2330efc63268b4ac36c99;hpb=87f57ddc367303c33e19c83cd8989cd561f3185b diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpr.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpr.ma index f69cb5e67..f47d6640e 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpr.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpr.ma @@ -27,8 +27,8 @@ interpretation (* Basic properties *********************************************************) -lemma lpr_bind (h) (G): ∀K1,K2. ⦃G, K1⦄ ⊢ ➡[h] K2 → - ∀I1,I2. ⦃G, K1⦄ ⊢ I1 ➡[h] I2 → ⦃G, K1.ⓘ{I1}⦄ ⊢ ➡[h] K2.ⓘ{I2}. +lemma lpr_bind (h) (G): ∀K1,K2. ⦃G,K1⦄ ⊢ ➡[h] K2 → + ∀I1,I2. ⦃G,K1⦄ ⊢ I1 ➡[h] I2 → ⦃G,K1.ⓘ{I1}⦄ ⊢ ➡[h] K2.ⓘ{I2}. /2 width=1 by lex_bind/ qed. (* Note: lemma 250 *) @@ -37,60 +37,60 @@ lemma lpr_refl (h) (G): reflexive … (lpr h G). (* Advanced properties ******************************************************) -lemma lpr_bind_refl_dx (h) (G): ∀K1,K2. ⦃G, K1⦄ ⊢ ➡[h] K2 → - ∀I. ⦃G, K1.ⓘ{I}⦄ ⊢ ➡[h] K2.ⓘ{I}. +lemma lpr_bind_refl_dx (h) (G): ∀K1,K2. ⦃G,K1⦄ ⊢ ➡[h] K2 → + ∀I. ⦃G,K1.ⓘ{I}⦄ ⊢ ➡[h] K2.ⓘ{I}. /2 width=1 by lex_bind_refl_dx/ qed. -lemma lpr_pair (h) (G): ∀K1,K2,V1,V2. ⦃G, K1⦄ ⊢ ➡[h] K2 → ⦃G, K1⦄ ⊢ V1 ➡[h] V2 → - ∀I. ⦃G, K1.ⓑ{I}V1⦄ ⊢ ➡[h] K2.ⓑ{I}V2. +lemma lpr_pair (h) (G): ∀K1,K2,V1,V2. ⦃G,K1⦄ ⊢ ➡[h] K2 → ⦃G,K1⦄ ⊢ V1 ➡[h] V2 → + ∀I. ⦃G,K1.ⓑ{I}V1⦄ ⊢ ➡[h] K2.ⓑ{I}V2. /2 width=1 by lex_pair/ qed. (* Basic inversion lemmas ***************************************************) (* Basic_2A1: was: lpr_inv_atom1 *) (* Basic_1: includes: wcpr0_gen_sort *) -lemma lpr_inv_atom_sn (h) (G): ∀L2. ⦃G, ⋆⦄ ⊢ ➡[h] L2 → L2 = ⋆. +lemma lpr_inv_atom_sn (h) (G): ∀L2. ⦃G,⋆⦄ ⊢ ➡[h] L2 → L2 = ⋆. /2 width=2 by lex_inv_atom_sn/ qed-. -lemma lpr_inv_bind_sn (h) (G): ∀I1,L2,K1. ⦃G, K1.ⓘ{I1}⦄ ⊢ ➡[h] L2 → - ∃∃I2,K2. ⦃G, K1⦄ ⊢ ➡[h] K2 & ⦃G, K1⦄ ⊢ I1 ➡[h] I2 & +lemma lpr_inv_bind_sn (h) (G): ∀I1,L2,K1. ⦃G,K1.ⓘ{I1}⦄ ⊢ ➡[h] L2 → + ∃∃I2,K2. ⦃G,K1⦄ ⊢ ➡[h] K2 & ⦃G,K1⦄ ⊢ I1 ➡[h] I2 & L2 = K2.ⓘ{I2}. /2 width=1 by lex_inv_bind_sn/ qed-. (* Basic_2A1: was: lpr_inv_atom2 *) -lemma lpr_inv_atom_dx (h) (G): ∀L1. ⦃G, L1⦄ ⊢ ➡[h] ⋆ → L1 = ⋆. +lemma lpr_inv_atom_dx (h) (G): ∀L1. ⦃G,L1⦄ ⊢ ➡[h] ⋆ → L1 = ⋆. /2 width=2 by lex_inv_atom_dx/ qed-. -lemma lpr_inv_bind_dx (h) (G): ∀I2,L1,K2. ⦃G, L1⦄ ⊢ ➡[h] K2.ⓘ{I2} → - ∃∃I1,K1. ⦃G, K1⦄ ⊢ ➡[h] K2 & ⦃G, K1⦄ ⊢ I1 ➡[h] I2 & +lemma lpr_inv_bind_dx (h) (G): ∀I2,L1,K2. ⦃G,L1⦄ ⊢ ➡[h] K2.ⓘ{I2} → + ∃∃I1,K1. ⦃G,K1⦄ ⊢ ➡[h] K2 & ⦃G,K1⦄ ⊢ I1 ➡[h] I2 & L1 = K1.ⓘ{I1}. /2 width=1 by lex_inv_bind_dx/ qed-. (* Advanced inversion lemmas ************************************************) -lemma lpr_inv_unit_sn (h) (G): ∀I,L2,K1. ⦃G, K1.ⓤ{I}⦄ ⊢ ➡[h] L2 → - ∃∃K2. ⦃G, K1⦄ ⊢ ➡[h] K2 & L2 = K2.ⓤ{I}. +lemma lpr_inv_unit_sn (h) (G): ∀I,L2,K1. ⦃G,K1.ⓤ{I}⦄ ⊢ ➡[h] L2 → + ∃∃K2. ⦃G,K1⦄ ⊢ ➡[h] K2 & L2 = K2.ⓤ{I}. /2 width=1 by lex_inv_unit_sn/ qed-. (* Basic_2A1: was: lpr_inv_pair1 *) (* Basic_1: includes: wcpr0_gen_head *) -lemma lpr_inv_pair_sn (h) (G): ∀I,L2,K1,V1. ⦃G, K1.ⓑ{I}V1⦄ ⊢ ➡[h] L2 → - ∃∃K2,V2. ⦃G, K1⦄ ⊢ ➡[h] K2 & ⦃G, K1⦄ ⊢ V1 ➡[h] V2 & +lemma lpr_inv_pair_sn (h) (G): ∀I,L2,K1,V1. ⦃G,K1.ⓑ{I}V1⦄ ⊢ ➡[h] L2 → + ∃∃K2,V2. ⦃G,K1⦄ ⊢ ➡[h] K2 & ⦃G,K1⦄ ⊢ V1 ➡[h] V2 & L2 = K2.ⓑ{I}V2. /2 width=1 by lex_inv_pair_sn/ qed-. -lemma lpr_inv_unit_dx (h) (G): ∀I,L1,K2. ⦃G, L1⦄ ⊢ ➡[h] K2.ⓤ{I} → - ∃∃K1. ⦃G, K1⦄ ⊢ ➡[h] K2 & L1 = K1.ⓤ{I}. +lemma lpr_inv_unit_dx (h) (G): ∀I,L1,K2. ⦃G,L1⦄ ⊢ ➡[h] K2.ⓤ{I} → + ∃∃K1. ⦃G,K1⦄ ⊢ ➡[h] K2 & L1 = K1.ⓤ{I}. /2 width=1 by lex_inv_unit_dx/ qed-. (* Basic_2A1: was: lpr_inv_pair2 *) -lemma lpr_inv_pair_dx (h) (G): ∀I,L1,K2,V2. ⦃G, L1⦄ ⊢ ➡[h] K2.ⓑ{I}V2 → - ∃∃K1,V1. ⦃G, K1⦄ ⊢ ➡[h] K2 & ⦃G, K1⦄ ⊢ V1 ➡[h] V2 & +lemma lpr_inv_pair_dx (h) (G): ∀I,L1,K2,V2. ⦃G,L1⦄ ⊢ ➡[h] K2.ⓑ{I}V2 → + ∃∃K1,V1. ⦃G,K1⦄ ⊢ ➡[h] K2 & ⦃G,K1⦄ ⊢ V1 ➡[h] V2 & L1 = K1.ⓑ{I}V1. /2 width=1 by lex_inv_pair_dx/ qed-. -lemma lpr_inv_pair (h) (G): ∀I1,I2,L1,L2,V1,V2. ⦃G, L1.ⓑ{I1}V1⦄ ⊢ ➡[h] L2.ⓑ{I2}V2 → - ∧∧ ⦃G, L1⦄ ⊢ ➡[h] L2 & ⦃G, L1⦄ ⊢ V1 ➡[h] V2 & I1 = I2. +lemma lpr_inv_pair (h) (G): ∀I1,I2,L1,L2,V1,V2. ⦃G,L1.ⓑ{I1}V1⦄ ⊢ ➡[h] L2.ⓑ{I2}V2 → + ∧∧ ⦃G,L1⦄ ⊢ ➡[h] L2 & ⦃G,L1⦄ ⊢ V1 ➡[h] V2 & I1 = I2. /2 width=1 by lex_inv_pair/ qed-. (* Basic_1: removed theorems 3: wcpr0_getl wcpr0_getl_back