mathematical-expression public under concept 1247, information 1698 List Picture As a command %3 n0 mathematical-expression n3 antiderivative n0->n3 n4 exponential-expression n0->n4 n5 radical-expression n0->n5 n6 regular-expression n0->n6 n7 sentential-function n0->n7 n8 well-formed-formula n0->n8 n1 concept n1->n0 n2 information n2->n0