INDUCTIVE DEFINITION
or5 ()
[
:Prop, :Prop, :Prop, :Prop, :Prop
]
OF ARITY
Prop
BUILT FROM:
or5_intro0: P0→(or5 P0 P1 P2 P3 P4)
| or5_intro1: P1→(or5 P0 P1 P2 P3 P4)
| or5_intro2: P2→(or5 P0 P1 P2 P3 P4)
| or5_intro3: P3→(or5 P0 P1 P2 P3 P4)
| or5_intro4: P4→(or5 P0 P1 P2 P3 P4)