Consider the following premises. For all x_10, x_10 is poor. For all x_10, x_10 will climb a mountain. There is at least one x_10 for which x_10 will take a plane. Can we infer the following from them? For all x_10, either x_10 is poor or x_10 will take a plane are not true.
 From the fact that there is at least one x_10 for which x_10 will take a plane, and that for all x_10, x_10 will climb a mountain we can infer that there is at least one x_10 for which x_10 will take a plane and x_10 will climb a mountain. From the fact that there is at least one x_10 for which x_10 will take a plane and x_10 will climb a mountain we can infer that there is at least one x_10 for which x_10 will take a plane. Finally, from the fact that for all x_10, x_10 is poor, and that there is at least one x_10 for which x_10 will take a plane we can infer that there is at least one x_10 for which x_10 is poor and x_10 will take a plane, which contradicts that For all x_10, either x_10 is poor or x_10 will take a plane are not true. Therefore, the answer is no.