X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Frelocation%2Fsex_length.ma;h=c99c786c68d41be159f2a31c71b5b041e005f3de;hb=98e786e1a6bd7b621e37ba7cd4098d4a0a6f8278;hp=4a2379889da3ad04835f4b9a18009dcdce3a291a;hpb=5b5dca0c118dfbe3ba8f0514ef07549544eb7810;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/static_2/relocation/sex_length.ma b/matita/matita/contribs/lambdadelta/static_2/relocation/sex_length.ma index 4a2379889..c99c786c6 100644 --- a/matita/matita/contribs/lambdadelta/static_2/relocation/sex_length.ma +++ b/matita/matita/contribs/lambdadelta/static_2/relocation/sex_length.ma @@ -31,16 +31,16 @@ lemma sex_length_cfull: ∀L1,L2. |L1| = |L2| → ∀f. L1 ⪤[cfull,cfull,f] L2 [ #Y2 #H >(length_inv_zero_sn … H) -Y2 // | #L1 #I1 #IH #Y2 #H #f elim (length_inv_succ_sn … H) -H #I2 #L2 #HL12 #H destruct - elim (pn_split f) * #g #H destruct /3 width=1 by sex_next, sex_push/ + elim (pr_map_split_tl f) * #g #H destruct /3 width=1 by sex_next, sex_push/ ] qed. lemma sex_length_isid: ∀R,L1,L2. |L1| = |L2| → - ∀f. 𝐈⦃f⦄ → L1 ⪤[R,cfull,f] L2. + ∀f. 𝐈❪f❫ → L1 ⪤[R,cfull,f] L2. #R #L1 elim L1 -L1 [ #Y2 #H >(length_inv_zero_sn … H) -Y2 // | #L1 #I1 #IH #Y2 #H #f #Hf elim (length_inv_succ_sn … H) -H #I2 #L2 #HL12 #H destruct - elim (isid_inv_gen … Hf) -Hf #g #Hg #H destruct /3 width=1 by sex_push/ + elim (pr_isi_inv_gen … Hf) -Hf #g #Hg #H destruct /3 width=1 by sex_push/ ] qed.