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 terms 1 cons 2 recip 1 sqr 1 n__terms 1 s 1 0 0 n__add 2 activate 1 dbl 1 n__s 1 n__dbl 1 add 2 first 2 nil 0 n__first 2 FULL ./TRS/TRCSR/Ex26_Luc03b_Z.trs