9
Canonical Structure
Lets construct
f
0
, and discover what we
need in
s
f
:
x
i
= x
j
f
0
:
9
y.(P
p
(x,y)
Ζ
U(y))
where
p
(1) = i,
p
(2) = j
f
: R(x
i
1
, , x
i
m
)
f
0
:
9
y.(P
p
(x,y)
Ζ
U
i
(y))
:
f
:
f
0
f
1
Ζ
f
2
f
1
0
Ζ
f
2
0
9
x
i
f
9
y.(S
i
(x,y)
Ζ
f
0
(y))