X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Frelocation%2Fsex_length.ma;h=4a2379889da3ad04835f4b9a18009dcdce3a291a;hp=a7b2a5d718fa202536f3f310be29c660496e23fb;hb=f308429a0fde273605a2330efc63268b4ac36c99;hpb=87f57ddc367303c33e19c83cd8989cd561f3185b 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 a7b2a5d71..4a2379889 100644 --- a/matita/matita/contribs/lambdadelta/static_2/relocation/sex_length.ma +++ b/matita/matita/contribs/lambdadelta/static_2/relocation/sex_length.ma @@ -20,13 +20,13 @@ include "static_2/relocation/sex.ma". (* Forward lemmas with length for local environments ************************) (* Note: "#f #I1 #I2 #L1 #L2 >length_bind >length_bind //" was needed to conclude *) -lemma sex_fwd_length: ∀RN,RP,f,L1,L2. L1 ⪤[RN, RP, f] L2 → |L1| = |L2|. +lemma sex_fwd_length: ∀RN,RP,f,L1,L2. L1 ⪤[RN,RP,f] L2 → |L1| = |L2|. #RN #RP #f #L1 #L2 #H elim H -f -L1 -L2 // qed-. (* Properties with length for local environments ****************************) -lemma sex_length_cfull: ∀L1,L2. |L1| = |L2| → ∀f. L1 ⪤[cfull, cfull, f] L2. +lemma sex_length_cfull: ∀L1,L2. |L1| = |L2| → ∀f. L1 ⪤[cfull,cfull,f] L2. #L1 elim L1 -L1 [ #Y2 #H >(length_inv_zero_sn … H) -Y2 // | #L1 #I1 #IH #Y2 #H #f @@ -36,7 +36,7 @@ lemma sex_length_cfull: ∀L1,L2. |L1| = |L2| → ∀f. L1 ⪤[cfull, cfull, f] 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