from X cons X n__from n__s X 2ndspos 0 Z rnil 2ndspos s N cons X n__cons Y Z rcons posrecip activate Y 2ndsneg N activate Z 2ndsneg 0 Z rnil 2ndsneg s N cons X n__cons Y Z rcons negrecip activate Y 2ndspos N activate Z pi X 2ndspos X from 0 plus 0 Y Y plus s X Y s plus X Y times 0 Y 0 times s X Y plus Y times X Y square X times X X from X n__from X s X n__s X cons X1 X2 n__cons X1 X2 activate n__from X from activate X activate n__s X s activate X activate n__cons X1 X2 cons activate X1 X2 activate X X 2.2 pi X from 0 2ndsneg s N cons X n__cons Y Z activate Y 2ndspos s N cons X n__cons Y Z activate Y activate n__cons X1 X2 cons activate X1 X2 activate n__s X s activate X activate n__s X activate X 2ndspos s N cons X n__cons Y Z 2ndsneg N activate Z activate n__from X activate X 2ndsneg s N cons X n__cons Y Z 2ndspos N activate Z activate n__cons X1 X2 activate X1 times s X Y times X Y plus s X Y s plus X Y activate n__from X from activate X from X cons X n__from n__s X square X times X X pi X 2ndspos X from 0 2ndsneg s N cons X n__cons Y Z activate Z 2ndspos s N cons X n__cons Y Z activate Z times s X Y plus Y times X Y plus s X Y plus X Y true pi X 2ndspos X from 0 false square X times X X false times s X Y times X Y true negrecip 1 0 cons 2 0 s 1 1 1 2ndspos 2 0 activate 1 0 rnil 0 0 plus 2 0 n__from 1 0 square 1 0 activate 1 0 square 1 0 pi 1 0 rcons 2 0 n__s 1 0 times 2 1 0 0 0 0 from 1 0 times 2 0 s 1 0 n__cons 2 0 2ndsneg 2 0 plus 2 0 2ndspos 2 0 from 1 0 cons 2 0 pi 1 0 2ndsneg 2 0 posrecip 1 0 times s X Y plus Y times X Y false plus s X Y plus X Y true negrecip 1 0 cons 2 0 s 1 1 1 2ndspos 2 0 activate 1 0 rnil 0 0 plus 2 1 0 n__from 1 0 square 1 0 activate 1 0 square 1 0 pi 1 0 rcons 2 0 n__s 1 0 times 2 0 0 0 0 from 1 0 times 2 0 s 1 0 n__cons 2 0 2ndsneg 2 0 plus 2 0 2ndspos 2 0 from 1 0 cons 2 0 pi 1 0 2ndsneg 2 0 posrecip 1 0 plus s X Y s plus X Y false 2ndspos s N cons X n__cons Y Z 2ndsneg N activate Z 2ndsneg s N cons X n__cons Y Z 2ndspos N activate Z true negrecip 1 0 cons 2 0 s 1 1 1 2ndspos 2 0 activate 1 21239 rnil 0 0 plus 2 0 n__from 1 1 21241 square 1 0 activate 1 0 square 1 0 pi 1 0 rcons 2 0 n__s 1 2 times 2 0 0 0 0 from 1 21240 times 2 0 s 1 0 n__cons 2 1 21241 2ndsneg 2 0 plus 2 0 2ndspos 2 1 0 from 1 0 cons 2 2 21240 pi 1 0 2ndsneg 2 1 0 posrecip 1 0 2ndspos s N cons X n__cons Y Z activate Y false 2ndsneg s N cons X n__cons Y Z activate Y false 2ndsneg s N cons X n__cons Y Z activate Z false 2ndspos s N cons X n__cons Y Z activate Z false pi X from 0 false activate n__s X activate X activate n__cons X1 X2 activate X1 activate n__from X activate X true negrecip 1 0 cons 2 0 s 1 1 1 2ndspos 2 0 activate 1 1 rnil 0 0 plus 2 0 n__from 1 1 3 square 1 0 activate 1 1 0 square 1 0 pi 1 0 rcons 2 0 n__s 1 1 2 times 2 0 0 0 0 from 1 2 times 2 0 s 1 0 n__cons 2 1 3 2ndsneg 2 0 plus 2 0 2ndspos 2 0 from 1 0 cons 2 2 2 pi 1 0 2ndsneg 2 0 posrecip 1 0 activate n__cons X1 X2 cons activate X1 X2 false activate n__s X s activate X false activate n__from X from activate X false from X cons X n__from n__s X false NaTT certifiable-1.6