matita/matita/contribs/lambdadelta/ground_2/xoa/or_4.ma

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  15 (* This file was generated by xoa.native: do not edit *********************)
  16
  17 include "basics/pts.ma".
  18
  19 include "ground_2/notation/xoa/or_4.ma".
  20
  21 (* multiple disjunction connective (4) *)
  22
  23 inductive or4 (P0,P1,P2,P3:Prop) : Prop ≝
  24    | or4_intro0: P0 → or4 ? ? ? ?
  25    | or4_intro1: P1 → or4 ? ? ? ?
  26    | or4_intro2: P2 → or4 ? ? ? ?
  27    | or4_intro3: P3 → or4 ? ? ? ?
  28 .
  29
  30 interpretation "multiple disjunction connective (4)" 'Or P0 P1 P2 P3 = (or4 P0 P1 P2 P3).
  31