Consider the following premises. For all x_11, x_11 is a soldier. There is at least one x_11 for which x_11 will climb a mountain. For all x_11, x_11 is a lawyer. Can we infer the following from them? Some lawyers are soldiers.
 From the fact that for all x_11, x_11 is a soldier, and that there is at least one x_11 for which x_11 will climb a mountain we can infer that some soldiers will climb a mountain. From the fact that some soldiers will climb a mountain we can infer that there is at least one x_11 for which x_11 is a soldier. Finally, from the fact that for all x_11, x_11 is a lawyer, and that there is at least one x_11 for which x_11 is a soldier we can infer that some lawyers are soldiers. Therefore, the answer is yes.