X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fdelayed_updating%2Fsubstitution%2Flift.ma;h=3a6991a92d686797e9862700bbaea455e8e5230f;hb=8d8863982ca95225551e9659ed431db046c34e81;hp=fa63286846e697621e2ac313b739825204abc2a5;hpb=775ab35f714568dfcd672f0dd53a00e1ba7382cd;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift.ma b/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift.ma index fa6328684..3a6991a92 100644 --- a/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift.ma +++ b/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift.ma @@ -109,6 +109,10 @@ lemma lift_path_m_sn (f) (p): (* Basic constructions with proj_rmap ***************************************) +lemma lift_rmap_empty (f): + f = ↑[𝐞]f. +// qed. + lemma lift_rmap_d_sn (f) (p) (n): ↑[p](f∘𝐮❨ninj n❩) = ↑[𝗱n◗p]f. #f * // qed.