a__terms
N
cons
recip
a__sqr
mark
N
terms
s
N
a__sqr
0
0
a__sqr
s
X
s
add
sqr
X
dbl
X
a__dbl
0
0
a__dbl
s
X
s
s
dbl
X
a__add
0
X
mark
X
a__add
s
X
Y
s
add
X
Y
a__first
0
X
nil
a__first
s
X
cons
Y
Z
cons
mark
Y
first
X
Z
mark
terms
X
a__terms
mark
X
mark
sqr
X
a__sqr
mark
X
mark
add
X1
X2
a__add
mark
X1
mark
X2
mark
dbl
X
a__dbl
mark
X
mark
first
X1
X2
a__first
mark
X1
mark
X2
mark
cons
X1
X2
cons
mark
X1
X2
mark
recip
X
recip
mark
X
mark
s
X
s
X
mark
0
0
mark
nil
nil
a__terms
X
terms
X
a__sqr
X
sqr
X
a__add
X1
X2
add
X1
X2
a__dbl
X
dbl
X
a__first
X1
X2
first
X1
X2
2.2
mark
dbl
X
a__dbl
mark
X
mark
sqr
X
mark
X
mark
terms
X
a__terms
mark
X
mark
add
X1
X2
mark
X2
mark
first
X1
X2
mark
X1
mark
first
X1
X2
mark
X2
mark
terms
X
mark
X
mark
add
X1
X2
a__add
mark
X1
mark
X2
mark
first
X1
X2
a__first
mark
X1
mark
X2
mark
sqr
X
a__sqr
mark
X
a__terms
N
mark
N
a__terms
N
a__sqr
mark
N
mark
dbl
X
mark
X
a__add
0
X
mark
X
mark
add
X1
X2
mark
X1
mark
recip
X
mark
X
a__first
s
X
cons
Y
Z
mark
Y
mark
cons
X1
X2
mark
X1
true
mark
cons
X1
X2
mark
X1
a__first
s
X
cons
Y
Z
mark
Y
mark
terms
X
mark
X
mark
recip
X
mark
X
mark
first
X1
X2
mark
X2
mark
add
X1
X2
mark
X1
a__add
0
X
mark
X
mark
dbl
X
mark
X
mark
first
X1
X2
mark
X1
mark
add
X1
X2
mark
X2
mark
terms
X
a__terms
mark
X
a__terms
N
mark
N
mark
sqr
X
mark
X
mark
first
X1
X2
a__first
mark
X1
mark
X2
mark
add
X1
X2
a__add
mark
X1
mark
X2
true
s
1
1
a__first
2
1
2
0
recip
1
1
23612
dbl
1
1
1
a__add
2
2
18755
a__add
2
1
2
18755
a__dbl
1
1
1
a__sqr
1
1
29534
a__terms
1
1
1
mark
1
1
0
0
0
1
nil
0
2
a__dbl
1
0
mark
1
1
0
first
2
1
2
1
a__first
2
1
2
1
cons
2
1
19335
add
2
1
2
18755
sqr
1
1
29534
a__terms
1
1
72481
a__sqr
1
0
terms
1
1
72481
mark
add
X1
X2
a__add
mark
X1
mark
X2
mark
0
0
a__dbl
0
0
mark
cons
X1
X2
cons
mark
X1
X2
a__first
0
X
nil
a__terms
N
cons
recip
a__sqr
mark
N
terms
s
N
a__sqr
s
X
s
add
sqr
X
dbl
X
mark
recip
X
recip
mark
X
a__sqr
X
sqr
X
mark
nil
nil
mark
s
X
s
X
a__add
X1
X2
add
X1
X2
a__dbl
s
X
s
s
dbl
X
mark
terms
X
a__terms
mark
X
a__add
s
X
Y
s
add
X
Y
a__terms
X
terms
X
mark
first
X1
X2
a__first
mark
X1
mark
X2
mark
add
X1
X2
a__add
mark
X1
mark
X2
a__dbl
X
dbl
X
a__first
X1
X2
first
X1
X2
mark
sqr
X
a__sqr
mark
X
a__first
s
X
cons
Y
Z
cons
mark
Y
first
X
Z
mark
dbl
X
a__dbl
mark
X
a__add
0
X
mark
X
a__sqr
0
0
mark
add
X1
X2
a__add
mark
X1
mark
X2
false
a__terms
N
a__sqr
mark
N
false
mark
sqr
X
a__sqr
mark
X
false
mark
dbl
X
a__dbl
mark
X
false
NaTT
certifiable-1.6