notZero
pos
s
x
true
notZero
neg
s
x
true
notZero
neg
0
false
notZero
pos
0
false
greaterZero
pos
s
x
true
greaterZero
pos
0
false
greaterZero
neg
x
false
and
false
false
false
and
false
true
false
and
true
false
false
and
true
true
true
minusT
0
y
neg
y
minusT
x
0
pos
x
minusT
s
x
s
y
minusT
x
y
plusNat
0
y
y
plusNat
s
x
y
plusNat
x
s
y
negate
pos
x
neg
x
negate
neg
x
pos
x
minus
pos
x
pos
y
minusT
x
y
minus
neg
x
neg
y
negate
minusT
x
y
minus
pos
x
neg
y
pos
plusNat
x
y
minus
neg
x
pos
y
neg
plusNat
x
y
while
true
i
y
while
and
notZero
y
greaterZero
i
minus
i
y
y
notZero
1
pos
1
s
1
true
0
neg
1
0
0
false
0
greaterZero
1
and
2
minusT
2
plusNat
2
negate
1
minus
2
while
3
FULL
rybalchenko-nonloop-popl08.trs