from X cons X n__from 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 cons X1 X2 n__cons X1 X2 activate n__from X from X activate n__cons X1 X2 cons X1 X2 activate X X 2.2 pi X from 0 times s X Y times X Y from X cons X n__from s X 2ndsneg s N cons X n__cons Y Z activate Z 2ndspos s N cons X n__cons Y Z 2ndsneg N activate Z 2ndspos s N cons X n__cons Y Z activate Z plus s X Y plus X Y 2ndsneg s N cons X n__cons Y Z activate Y 2ndspos s N cons X n__cons Y Z activate Y times s X Y plus Y times X Y square X times X X pi X 2ndspos X from 0 2ndsneg s N cons X n__cons Y Z 2ndspos N activate Z activate n__cons X1 X2 cons X1 X2 activate n__from X from X true pi X 2ndspos X from 0 false square X times X X false 2ndsneg s N cons X n__cons Y Z 2ndspos N activate Z 2ndspos s N cons X n__cons Y Z 2ndsneg N activate Z true negrecip 1 0 cons 2 0 s 1 1 1 2ndspos 2 0 activate 1 1 16732 rnil 0 0 plus 2 0 n__from 1 1 44083 square 1 0 activate 1 0 square 1 0 pi 1 0 rcons 2 0 times 2 0 0 0 0 from 1 1 60815 times 2 0 n__cons 2 2 8366 2ndsneg 2 0 plus 2 0 2ndspos 2 1 2 0 from 1 0 cons 2 2 8366 pi 1 0 2ndsneg 2 1 2 0 posrecip 1 0 activate n__cons X1 X2 cons X1 X2 from X cons X n__from s X activate X X activate n__from X from X from X n__from X cons X1 X2 n__cons X1 X2 2ndspos s N cons X n__cons Y Z activate Z false 2ndsneg s N cons X n__cons Y Z activate Z false times s X Y times X Y true negrecip 1 0 cons 2 0 s 1 1 44083 2ndspos 2 0 activate 1 1 93511 rnil 0 0 plus 2 0 n__from 1 1 1 square 1 0 activate 1 0 square 1 0 pi 1 0 rcons 2 0 times 2 1 0 0 0 0 from 1 1 93512 times 2 0 n__cons 2 2 41063 2ndsneg 2 0 plus 2 0 2ndspos 2 2 0 from 1 0 cons 2 2 41063 pi 1 0 2ndsneg 2 2 0 posrecip 1 0 activate n__cons X1 X2 cons X1 X2 from X cons X n__from s X activate X X activate n__from X from X from X n__from X cons X1 X2 n__cons X1 X2 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 1 49429 rnil 0 0 plus 2 1 0 n__from 1 1 33954 square 1 0 activate 1 0 square 1 0 pi 1 0 rcons 2 0 times 2 0 0 0 0 from 1 1 83383 times 2 0 n__cons 2 2 41063 2ndsneg 2 0 plus 2 0 2ndspos 2 2 0 from 1 0 cons 2 2 41063 pi 1 0 2ndsneg 2 2 0 posrecip 1 0 activate n__cons X1 X2 cons X1 X2 from X cons X n__from s X activate X X activate n__from X from X from X n__from X cons X1 X2 n__cons X1 X2 2ndspos s N cons X n__cons Y Z activate Y false 2ndsneg s N cons X n__cons Y Z activate Y false activate n__from X from X false activate n__cons X1 X2 cons X1 X2 false pi X from 0 false from X cons X n__from s X false NaTT certifiable-1.6