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contrary_a to_o that_o he_o assign_v yet_o his_o defender_n think_v himself_o oblige_v to_o maintain_v it_o and_o therefore_o spend_v more_o time_n and_o paper_n about_o it_o than_o upon_o any_o other_o point_n he_o be_v not_o content_v with_o what_o have_v be_v say_v by_o several_a mathematician_n and_o philosopher_n of_o the_o present_a age_n upon_o this_o subject_a though_o one_o will_v think_v that_o they_o know_v the_o method_n to_o determine_v the_o figure_n of_o the_o earth_n much_o better_a than_o either_o the_o theorist_n or_o himself_o he_o be_v afraid_a that_o they_o will_v give_v it_o against_o he_o and_o therefore_o he_o appeal_v from_o they_o to_o some_o far_a observation_n that_o he_o and_o the_o theorist_n point_v out_o and_o direct_v we_o to_o make_v as_o to_o observe_v for_o instance_n whether_o the_o extent_n of_o a_o degree_n be_v the_o same_o in_o different_a latitude_n or_o whether_o the_o shadow_n of_o the_o earth_n in_o a_o total_a eclipse_n of_o the_o moon_n 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