terms N cons recip sqr N n__terms s N sqr 0 0 sqr s X s n__add sqr activate X dbl activate X dbl 0 0 dbl s X s n__s n__dbl activate X add 0 X X add s X Y s n__add activate X Y first 0 X nil first s X cons Y Z cons Y n__first activate X activate Z terms X n__terms X add X1 X2 n__add X1 X2 s X n__s X dbl X n__dbl X first X1 X2 n__first X1 X2 activate n__terms X terms X activate n__add X1 X2 add X1 X2 activate n__s X s X activate n__dbl X dbl X activate n__first X1 X2 first X1 X2 activate X X 2.2 first s X cons Y Z activate Z dbl s X activate X sqr s X dbl activate X activate n__add X1 X2 add X1 X2 sqr s X sqr activate X sqr s X activate X sqr s X activate X activate n__s X s X sqr s X s n__add sqr activate X dbl activate X dbl s X s n__s n__dbl activate X activate n__terms X terms X terms N s N add s X Y s n__add activate X Y first s X cons Y Z activate X activate n__first X1 X2 first X1 X2 terms N sqr N add s X Y activate X activate n__dbl X dbl X true activate n__dbl X dbl X add s X Y activate X sqr s X activate X terms N sqr N sqr s X activate X activate n__first X1 X2 first X1 X2 first s X cons Y Z activate X sqr s X sqr activate X activate n__add X1 X2 add X1 X2 sqr s X dbl activate X activate n__terms X terms X dbl s X activate X first s X cons Y Z activate Z true s 1 1 1 n__first 2 1 2 1324 recip 1 1 0 activate 1 1 1 dbl 1 1 2242 dbl 1 1 2240 terms 1 1 2242 activate 1 1 0 n__add 2 1 2 31328 n__s 1 1 0 sqr 1 1 2241 n__dbl 1 1 2241 0 0 1 s 1 0 first 2 1 2 0 nil 0 0 first 2 1 2 1325 n__terms 1 1 2243 cons 2 2 0 add 2 1 0 add 2 1 2 31329 sqr 1 1 42004 terms 1 1 2244 sqr s X sqr activate X activate n__dbl X dbl X dbl 0 0 activate n__terms X terms X first 0 X nil terms N cons recip sqr N n__terms s N activate n__add X1 X2 add X1 X2 activate n__first X1 X2 first X1 X2 activate n__s X s X dbl s X s n__s n__dbl activate X terms X n__terms X add s X Y s n__add activate X Y activate X X first X1 X2 n__first X1 X2 s X n__s X add X1 X2 n__add X1 X2 first s X cons Y Z cons Y n__first activate X activate Z dbl X n__dbl X add 0 X X sqr s X sqr activate X true n__first 2 2 dbl 1 1 activate 1 1 sqr 1 1 s 1 1 first 2 2 cons 2 2 add 2 2 s 1 3 1 recip 1 2 activate 1 1 1 dbl 1 4 1 terms 1 0 n__add 2 4 2 1 n__s 1 3 1 n__dbl 1 4 1 0 0 0 nil 0 0 first 2 1 2 n__terms 1 2 add 2 4 2 1 sqr 1 0 terms 1 2 s 1 1 0 recip 1 0 activate 1 1 0 dbl 1 1 0 terms 1 0 n__add 2 1 0 2 0 0 n__s 1 1 0 n__dbl 1 1 0 0 0 0 nil 0 0 first 2 2 0 0 n__terms 1 0 add 2 1 0 2 0 0 sqr 1 0 terms 1 0 activate n__dbl X dbl X dbl 0 0 activate n__terms X terms X first 0 X nil terms N cons recip sqr N n__terms s N activate n__add X1 X2 add X1 X2 activate n__first X1 X2 first X1 X2 activate n__s X s X dbl s X s n__s n__dbl activate X terms X n__terms X add s X Y s n__add activate X Y activate X X first X1 X2 n__first X1 X2 s X n__s X add X1 X2 n__add X1 X2 first s X cons Y Z cons Y n__first activate X activate Z dbl X n__dbl X add 0 X X sqr s X s n__add sqr activate X dbl activate X false dbl s X s n__s n__dbl activate X false add s X Y s n__add activate X Y false activate n__s X s X false terms N s N false NaTT certifiable-1.6