cnf(a_not_equal_to_additive_identity_6,negated_conjecture, ( ~ equalish(a,additive_identity) )). cnf(b_not_equal_to_additive_identity_7,negated_conjecture, ( ~ equalish(b,additive_identity) )). cnf(add_equals_u_8,negated_conjecture, ( equalish(add(multiplicative_inverse(a),multiplicative_inverse(b)),u) )). cnf(add_equals_k_9,negated_conjecture, ( equalish(add(a,b),k) )). cnf(multiply_equals_l_10,negated_conjecture, ( equalish(multiply(a,b),l) )). cnf(multiply_not_equal_to_u_11,negated_conjecture, ( ~ equalish(multiply(k,multiplicative_inverse(l)),u) )).