X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcpxs_fdeq.ma;h=ed477d71cf6d6622547dd6815487ebec97995c80;hp=1db09aeb5cbec699ed86f55c172f489c6861bcd7;hb=4173283e148199871d787c53c0301891deb90713;hpb=a67fc50ccfda64377e2c94c18c3a0d9265f651db diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpxs_fdeq.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpxs_fdeq.ma index 1db09aeb5..ed477d71c 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpxs_fdeq.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpxs_fdeq.ma @@ -17,12 +17,12 @@ include "basic_2/rt_computation/cpxs_rdeq.ma". (* UNBOUND CONTEXT-SENSITIVE PARALLEL RT-COMPUTATION FOR TERMS **************) -(* Properties with degree-based equivalence for closures ********************) +(* Properties with sort-irrelevant equivalence for closures *****************) -lemma fdeq_cpxs_trans: ∀h,o,G1,G2,L1,L2,T1,T. ⦃G1, L1, T1⦄ ≛[h, o] ⦃G2, L2, T⦄ → +lemma fdeq_cpxs_trans: ∀h,G1,G2,L1,L2,T1,T. ⦃G1, L1, T1⦄ ≛ ⦃G2, L2, T⦄ → ∀T2. ⦃G2, L2⦄ ⊢ T ⬈*[h] T2 → - ∃∃T0. ⦃G1, L1⦄ ⊢ T1 ⬈*[h] T0 & ⦃G1, L1, T0⦄ ≛[h, o] ⦃G2, L2, T2⦄. -#h #o #G1 #G2 #L1 #L2 #T1 #T #H #T2 #HT2 + ∃∃T0. ⦃G1, L1⦄ ⊢ T1 ⬈*[h] T0 & ⦃G1, L1, T0⦄ ≛ ⦃G2, L2, T2⦄. +#h #G1 #G2 #L1 #L2 #T1 #T #H #T2 #HT2 elim (fdeq_inv_gen_dx … H) -H #H #HL12 #HT1 destruct elim (rdeq_cpxs_trans … HT2 … HL12) #T0 #HT0 #HT02 lapply (cpxs_rdeq_conf_dx … HT2 … HL12) -HL12 #HL12