X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Fcnr_tdeq.ma;h=00d42e11d51870a91dbdbd6cbcecfdf1a401ad12;hb=f308429a0fde273605a2330efc63268b4ac36c99;hp=3efc47bba7ed5ed55556eb33b4525a7a7b883c92;hpb=dd93a0919b67bead0d4f07d49dfc198006edc9aa;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cnr_tdeq.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cnr_tdeq.ma index 3efc47bba..00d42e11d 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cnr_tdeq.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cnr_tdeq.ma @@ -24,8 +24,8 @@ include "basic_2/rt_transition/cnr_drops.ma". (* Basic_1: was: nf2_dec *) (* Basic_2A1: uses: cnr_dec *) lemma cnr_dec_tdeq (h) (G) (L): - ∀T1. ∨∨ ⦃G, L⦄ ⊢ ➡[h] 𝐍⦃T1⦄ - | ∃∃T2. ⦃G, L⦄ ⊢ T1 ➡[h] T2 & (T1 ≛ T2 → ⊥). + ∀T1. ∨∨ ⦃G,L⦄ ⊢ ➡[h] 𝐍⦃T1⦄ + | ∃∃T2. ⦃G,L⦄ ⊢ T1 ➡[h] T2 & (T1 ≛ T2 → ⊥). #h #G #L #T1 @(fqup_wf_ind_eq (Ⓣ) … G L T1) -G -L -T1 #G0 #L0 #T0 #IH #G #L * * [ #s #HG #HL #HT destruct -IH @@ -82,7 +82,7 @@ lemma cnr_dec_tdeq (h) (G) (L): elim (tdeq_inv_pair … H) -H #H destruct | @or_intror @(ex2_intro … (ⓓ{p}ⓝW1.V1.U1)) [ /2 width=1 by cpm_beta/ ] #H elim (tdeq_inv_pair … H) -H #H destruct - ] + ] | #T2 #HT12 #HnT12 #_ @or_intror @(ex2_intro … (ⓐV1.T2)) [ /2 width=1 by cpm_appl/ ] #H elim (tdeq_inv_pair … H) -H /2 width=1 by/