X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Fcpr_drops.ma;h=afd2d3fda6e7a341cdcbf2407faf3e6d49899f4f;hp=ba96c07fbbe290cc2f8fd312d87e3e18d91b6009;hb=f308429a0fde273605a2330efc63268b4ac36c99;hpb=87f57ddc367303c33e19c83cd8989cd561f3185b diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpr_drops.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpr_drops.ma index ba96c07fb..afd2d3fda 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpr_drops.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpr_drops.ma @@ -19,9 +19,9 @@ include "basic_2/rt_transition/cpm_drops.ma". (* Advanced inversion lemmas ************************************************) (* Basic_2A1: includes: cpr_inv_atom1 *) -lemma cpr_inv_atom1_drops: ∀h,I,G,L,T2. ⦃G, L⦄ ⊢ ⓪{I} ➡[h] T2 → +lemma cpr_inv_atom1_drops: ∀h,I,G,L,T2. ⦃G,L⦄ ⊢ ⓪{I} ➡[h] T2 → ∨∨ T2 = ⓪{I} - | ∃∃K,V,V2,i. ⬇*[i] L ≘ K.ⓓV & ⦃G, K⦄ ⊢ V ➡[h] V2 & + | ∃∃K,V,V2,i. ⬇*[i] L ≘ K.ⓓV & ⦃G,K⦄ ⊢ V ➡[h] V2 & ⬆*[↑i] V2 ≘ T2 & I = LRef i. #h #I #G #L #T2 #H elim (cpm_inv_atom1_drops … H) -H * [ /2 width=1 by or_introl/ @@ -33,9 +33,9 @@ qed-. (* Basic_1: includes: pr0_gen_lref pr2_gen_lref *) (* Basic_2A1: includes: cpr_inv_lref1 *) -lemma cpr_inv_lref1_drops: ∀h,G,L,T2,i. ⦃G, L⦄ ⊢ #i ➡[h] T2 → +lemma cpr_inv_lref1_drops: ∀h,G,L,T2,i. ⦃G,L⦄ ⊢ #i ➡[h] T2 → ∨∨ T2 = #i - | ∃∃K,V,V2. ⬇*[i] L ≘ K. ⓓV & ⦃G, K⦄ ⊢ V ➡[h] V2 & + | ∃∃K,V,V2. ⬇*[i] L ≘ K. ⓓV & ⦃G,K⦄ ⊢ V ➡[h] V2 & ⬆*[↑i] V2 ≘ T2. #h #G #L #T2 #i #H elim (cpm_inv_lref1_drops … H) -H * [ /2 width=1 by or_introl/