INDUCTIVE DEFINITION ex3_4 () [ A0:Set, A1:Set, A2:Set, A3:Set, :A0→A1→A2→A3→Prop, :A0→A1→A2→A3→Prop, :A0→A1→A2→A3→Prop ]
OF ARITY Prop
BUILT FROM:
     ex3_4_intro: ∀x0:A0.∀x1:A1.∀x2:A2.∀x3:A3.(P0 x0 x1 x2 x3)→(P1 x0 x1 x2 x3)→(P2 x0 x1 x2 x3)→(ex3_4 A0 A1 A2 A3 P0 P1 P2)