a__U11
tt
N
mark
N
a__U21
tt
M
N
s
a__plus
mark
N
mark
M
a__and
tt
X
mark
X
a__isNat
0
tt
a__isNat
plus
V1
V2
a__and
a__isNat
V1
isNat
V2
a__isNat
s
V1
a__isNat
V1
a__plus
N
0
a__U11
a__isNat
N
N
a__plus
N
s
M
a__U21
a__and
a__isNat
M
isNat
N
M
N
mark
U11
X1
X2
a__U11
mark
X1
X2
mark
U21
X1
X2
X3
a__U21
mark
X1
X2
X3
mark
plus
X1
X2
a__plus
mark
X1
mark
X2
mark
and
X1
X2
a__and
mark
X1
X2
mark
isNat
X
a__isNat
X
mark
tt
tt
mark
s
X
s
mark
X
mark
0
0
a__U11
X1
X2
U11
X1
X2
a__U21
X1
X2
X3
U21
X1
X2
X3
a__plus
X1
X2
plus
X1
X2
a__and
X1
X2
and
X1
X2
a__isNat
X
isNat
X
a__U11
2
tt
0
mark
1
a__U21
3
s
1
a__plus
2
a__and
2
a__isNat
1
0
0
plus
2
isNat
1
U11
2
U21
3
and
2
FULL
./TRS/TRCSR/PEANO_nokinds_GM.trs