X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Fcpx_simple.ma;h=1ce5b538d7aa0a0a906caba74c59855f6d138b93;hp=a18e14b6c87bada576320461271953cea883545d;hb=f308429a0fde273605a2330efc63268b4ac36c99;hpb=87f57ddc367303c33e19c83cd8989cd561f3185b diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpx_simple.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpx_simple.ma index a18e14b6c..1ce5b538d 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpx_simple.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpx_simple.ma @@ -19,8 +19,8 @@ include "basic_2/rt_transition/cpx.ma". (* Inversion lemmas with simple terms ***************************************) -lemma cpx_inv_appl1_simple: ∀h,G,L,V1,T1,U. ⦃G, L⦄ ⊢ ⓐV1.T1 ⬈[h] U → 𝐒⦃T1⦄ → - ∃∃V2,T2. ⦃G, L⦄ ⊢ V1 ⬈[h] V2 & ⦃G, L⦄ ⊢ T1 ⬈[h] T2 & +lemma cpx_inv_appl1_simple: ∀h,G,L,V1,T1,U. ⦃G,L⦄ ⊢ ⓐV1.T1 ⬈[h] U → 𝐒⦃T1⦄ → + ∃∃V2,T2. ⦃G,L⦄ ⊢ V1 ⬈[h] V2 & ⦃G,L⦄ ⊢ T1 ⬈[h] T2 & U = ⓐV2.T2. #h #G #L #V1 #T1 #U * #c #H #HT1 elim (cpg_inv_appl1_simple … H) -H /3 width=5 by ex3_2_intro, ex_intro/