X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fcomputation%2Fcpxs.ma;h=8027a98db5d9fd55be50131b72e2b9a46bebf51e;hb=1555848a5546d0154964286d3400114481d78962;hp=36ef1b2a1e7273342644bec2450a9fcff4948156;hpb=548f2d3f410c05e2eb332f5c2d074f5e6c6985e1;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/computation/cpxs.ma b/matita/matita/contribs/lambdadelta/basic_2/computation/cpxs.ma index 36ef1b2a1..8027a98db 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/computation/cpxs.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/computation/cpxs.ma @@ -97,16 +97,16 @@ lemma cpxs_zeta: ∀h,g,G,L,V,T1,T,T2. ⇧[0, 1] T2 ≡ T → /3 width=3 by cpxs_strap2, cpx_cpxs, cpx_bind, cpx_zeta/ qed. -lemma cpxs_tau: ∀h,g,G,L,T1,T2. ⦃G, L⦄ ⊢ T1 ➡*[h, g] T2 → +lemma cpxs_eps: ∀h,g,G,L,T1,T2. ⦃G, L⦄ ⊢ T1 ➡*[h, g] T2 → ∀V. ⦃G, L⦄ ⊢ ⓝV.T1 ➡*[h, g] T2. #h #g #G #L #T1 #T2 #H @(cpxs_ind … H) -T2 -/3 width=3 by cpxs_strap1, cpx_cpxs, cpx_tau/ +/3 width=3 by cpxs_strap1, cpx_cpxs, cpx_eps/ qed. -lemma cpxs_ti: ∀h,g,G,L,V1,V2. ⦃G, L⦄ ⊢ V1 ➡*[h, g] V2 → +lemma cpxs_ct: ∀h,g,G,L,V1,V2. ⦃G, L⦄ ⊢ V1 ➡*[h, g] V2 → ∀T. ⦃G, L⦄ ⊢ ⓝV1.T ➡*[h, g] V2. #h #g #G #L #V1 #V2 #H @(cpxs_ind … H) -V2 -/3 width=3 by cpxs_strap1, cpx_cpxs, cpx_ti/ +/3 width=3 by cpxs_strap1, cpx_cpxs, cpx_ct/ qed. lemma cpxs_beta_dx: ∀h,g,a,G,L,V1,V2,W1,W2,T1,T2.