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4 (* ||A|| A project by Andrea Asperti *)
6 (* ||I|| Developers: *)
7 (* ||T|| The HELM team. *)
8 (* ||A|| http://helm.cs.unibo.it *)
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11 (* v GNU General Public License Version 2 *)
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15 include "apps_2/notation/functional/dotteduparrow_2.ma".
16 include "apps_2/functional/flifts_basic.ma".
17 include "apps_2/functional/mf_v.ma".
19 (* MULTIPLE EVALUATION LIFT *************************************************)
21 definition mf_vlift (j) (gv): mf_evaluation ≝ λi. ↑[j,1](gv i).
23 interpretation "lift (multiple_filling)"
24 'DottedUpArrow i gv = (mf_vlift i gv).
26 (* Basic properties *********************************************************)
28 lemma mf_vlift_rw (j) (gv): ∀i. (⇡[j]gv) i = ↑[j,1](gv i).