which_o they_o work_v be_v continual_o alter_v and_o change_v for_o example_n as_o the_o heat_n of_o the_o fire_n increase_v more_o and_o more_o so_o also_o the_o effect_n thereof_o namely_o the_o heat_n of_o such_o body_n as_o be_v next_o to_o it_o &_o again_o of_o such_o other_o body_n as_o be_v next_o to_o they_o increase_v more_o &_o more_o according_o which_o be_v already_o no_o little_a argument_n that_o all_o mutation_n consist_v in_o motion_n only_o the_o truth_n whereof_o shall_v be_v further_o demonstrate_v in_o the_o nine_o article_n but_o in_o this_o progress_n of_o causation_n that_o be_v of_o action_n and_o passion_n if_o any_o man_n comprehend_v in_o his_o imagination_n a_o part_n thereof_o and_o divide_v the_o same_o into_o part_n the_o first_o part_n or_o beginning_n of_o it_o can_v be_v consider_v otherwise_o then_o as_o action_n or_o cause_n for_o if_o it_o shall_v be_v consider_v as_o effect_v or_o passion_n than_o it_o will_v be_v necessary_a to_o consider_v something_o before_o it_o for_o its_o cause_n or_o action_n which_o can_v be_v for_o nothing_o can_v be_v before_o the_o beginning_n and_o in_o like_a manner_n the_o last_o part_n be_v consider_v only_o as_o effect_v for_o it_o can_v be_v call_v cause_n if_o nothing_o follow_v it_o but_o after_o the_o last_o nothing_o follow_v and_o from_o hence_o it_o be_v that_o in_o all_o action_n the_o beginning_n and_o cause_n be_v take_v for_o the_o same_o thing_n but_o every_o one_o of_o the_o intermediate_v part_n be_v both_o action_n and_o passion_n and_o cause_n and_o effect_v according_a as_o they_o be_v compare_v with_o the_o antecedent_n or_o subsequent_a part_n 7_o there_o can_v be_v no_o cause_n of_o motion_n except_o in_o a_o body_n contiguous_a and_o move_v for_o let_v there_o be_v any_o two_o body_n which_o be_v not_o contiguous_a and_o betwixt_o which_o the_o intermediate_v space_n be_v empty_a or_o if_o fill_v fill_v with_o another_o body_n which_o be_v at_o rest_n and_o let_v one_o of_o the_o propound_a body_n be_v suppose_v to_o be_v at_o rest_n i_o say_v it_o shall_v always_o be_v at_o rest._n for_o if_o it_o shall_v be_v move_v the_o cause_n of_o that_o motion_n by_o the_o 8_o chapter_n 19_o article_n will_v be_v in_o some_o external_a body_n and_o therefore_o if_o between_o it_o and_o that_o external_a body_n there_o be_v nothing_o but_o empty_a space_n than_o whatsoever_o the_o disposition_n be_v of_o that_o external_a body_n or_o of_o the_o patient_n itself_o yet_o if_o it_o be_v suppose_v to_o be_v now_o at_o rest_n we_o may_v conceive_v it_o will_v continue_v so_o till_o it_o be_v touch_v by_o some_o other_o body_n but_o see_v cause_n by_o the_o definition_n be_v the_o aggregate_v of_o all_o such_o accident_n which_o be_v suppose_v to_o be_v present_a it_o can_v be_v conceive_v but_o that_o the_o effect_n will_v follow_v those_o accident_n which_o be_v either_o in_o external_a body_n or_o in_o the_o patient_n itself_o can_v be_v the_o cause_n of_o future_a motion_n and_o in_o like_a manner_n see_v we_o may_v conceive_v that_o whatsoever_o be_v at_o rest_n will_v still_o be_v at_o rest_n though_o it_o be_v touch_v by_o some_o other_o body_n except_o that_o other_o body_n be_v move_v therefore_o in_o a_o contiguous_a body_n which_o be_v at_o rest_n there_o can_v be_v no_o cause_n of_o motion_n wherefore_o there_o be_v no_o cause_n of_o motion_n in_o any_o body_n except_o it_o be_v contiguous_a and_o move_v the_o same_o reason_n may_v serve_v to_o prove_v that_o whatsoever_o be_v move_v will_v always_o be_v move_v on_o in_o the_o same_o way_n and_o with_o the_o same_o velocity_n except_o it_o be_v hinder_v by_o some_o other_o contiguous_a and_o move_v body_n and_o consequent_o that_o no_o body_n either_o when_o they_o be_v at_o rest_n or_o when_o there_o be_v a_o interposition_n of_o vacuum_n can_v generate_v or_o extinguish_v or_o lesson_n motion_n in_o other_o body_n there_o be_v one_o that_o have_v write_v that_o thing_n move_v be_v more_o resist_v by_o thing_n at_o rest_n then_o by_o thing_n contrary_o move_v for_o this_o reason_n that_o he_o conceive_v motion_n not_o to_o be_v so_o contrary_a to_o motion_n as_o rest._n that_o which_o deceive_v he_o be_v that_o the_o word_n rest_v and_o motion_n be_v but_o contradictory_n name_n whereas_o motion_n indeed_o be_v not_o resist_v by_o rest_n but_o by_o contrary_a motion_n 8_o but_o if_o a_o body_n work_v upon_o another_o body_n at_o one_o time_n and_o afterward_o the_o same_o body_n work_v upon_o the_o same_o body_n at_o another_o time_n so_o that_o both_o the_o agent_n and_o patient_n and_o all_o their_o part_n be_v in_o all_o thing_n as_o they_o be_v and_o there_o be_v no_o difference_n except_o only_o in_o time_n that_o be_v that_o one_o action_n be_v former_a the_o other_o late_a in_o time_n it_o be_v manifest_a of_o itself_o that_o the_o effect_n will_v be_v equal_a and_o like_a as_o not_o differ_v in_o any_o thing_n beside_o time_n and_o as_o effect_n themselves_o proceed_v from_o their_o cause_n so_o the_o diversity_n of_o they_o depend_v upon_o the_o diversity_n of_o their_o cause_n also_o 9_o this_o be_v true_a it_o be_v necessary_a that_o mutation_n can_v be_v nothing_o else_o but_o motion_n of_o the_o part_n of_o that_o body_n which_o be_v change_v for_o first_o we_o do_v not_o say_v any_o thing_n be_v change_v but_o that_o which_o appear_v to_o our_o sense_n otherwise_o than_o it_o appear_v former_o second_o both_o those_o appearance_n be_v effect_n produce_v in_o the_o sentient_a &_o therefore_o if_o they_o be_v different_a it_o be_v necessary_a by_o the_o precede_a article_n that_o either_o some_o part_n of_o the_o agent_n which_o be_v former_o at_o rest_n be_v now_o move_v and_o so_o the_o mutation_n consist_v in_o this_o motion_n or_o some_o part_n which_o be_v former_o move_v be_v now_o otherwise_o move_v and_o so_o also_o the_o mutation_n consist_v in_o this_o new_a motion_n or_o which_o be_v former_o move_v be_v now_o at_o rest_n which_o as_o i_o have_v show_v above_o can_v come_v to_o pass_v without_o motion_n and_o so_o again_o mutation_n be_v motion_n or_o last_o it_o happen_v in_o some_o of_o these_o manner_n to_o the_o patient_n or_o some_o of_o its_o part_n so_o that_o mutation_n howsoever_o it_o be_v make_v will_v consist_v in_o the_o motion_n of_o the_o part_n either_o of_o the_o body_n which_o be_v perceive_v or_o of_o the_o sentient_a body_n or_o of_o both_o mutation_n therefore_o be_v motion_n namely_o of_o the_o part_n either_o of_o the_o agent_n or_o of_o the_o patient_n which_o be_v to_o be_v demonstrate_v and_o to_o this_o it_o be_v consequent_a that_o rest_n can_v be_v the_o cause_n of_o any_o thing_n nor_o can_v any_o action_n proceed_v from_o it_o see_v neither_o motion_n nor_o mutation_n can_v be_v cause_v by_o it_o 10_o accident_n in_o respect_n of_o other_o accident_n which_o precede_v they_o or_o be_v before_o they_o in_o time_n &_o upon_o which_o they_o do_v not_o depend_v as_o upon_o their_o cause_n be_v call_v contingent_a accident_n i_o say_v in_o respect_n of_o those_o accident_n by_o which_o they_o be_v not_o generate_v for_o in_o respect_n of_o their_o cause_n all_o thing_n come_v to_o pass_v with_o equal_a necessity_n for_o otherwise_o they_o will_v have_v no_o cause_n at_o all_o which_o of_o thing_n generate_v be_v not_o intelligible_a chap._n x._o of_o power_n and_o act._n 1_o power_n and_o cause_n be_v the_o same_o thing_n 2_o a_o act_n be_v produce_v at_o the_o same_o instant_n in_o which_o the_o power_n be_v plenary_a 3_o active_a and_o passive_a power_n be_v part_n only_o of_o plenary_a power_n 4_o a_o act_n when_o say_v to_o be_v possible_a 5_o a_o act_n necessary_a and_o contingent_a what_o 6_o active_a power_n consist_v in_o motion_n 7_o cause_v formal_n and_o final_a what_o they_o be_v 1correspondent_a to_o cause_n and_o effect_n be_v power_n and_o act_n nay_o those_o and_o these_o be_v the_o same_o thing_n though_o for_o divers_a consideration_n they_o have_v divers_a name_n forwhensoever_o any_o agent_n have_v all_o those_o accident_n which_o be_v necessary_o requisite_a for_o the_o production_n of_o some_o effect_n in_o the_o patient_n than_o we_o say_v that_o agent_n have_v power_n to_o produce_v that_o effect_n if_o it_o be_v apply_v to_o a_o patient_n but_o as_o i_o have_v show_v in_o the_o precedent_a chapter_n those_o accident_n constitute_v the_o efficient_a cause_n and_o therefore_o the_o same_o accident_n which_o constitute_v the_o efficient_a cause_n constitute_v also_o the_o power_n of_o the_o agent_n wherefore_o the_o power_n of_o the_o agent_n and_o the_o efficient_a cause_n be_v the_o same_o thing_n but_o they_o be_v consider_v with_o this_o difference_n that_o cause_o be_v so_o call_v in_o respect_n of_o the_o effect_n already_o
produce_v and_o power_n in_o respect_n of_o the_o same_o effect_n to_o be_v produce_v hereafter_o so_o that_o cause_o respect_v the_o past_a power_n the_o future_a time_n also_o the_o power_n of_o the_o agent_n be_v that_o which_o be_v common_o call_v active_a power_n in_o like_a manner_n whensoever_o any_o patient_n have_v all_o those_o accident_n which_o it_o be_v requisite_a it_o shall_v have_v for_o the_o production_n of_o some_o effect_n in_o it_o we_o say_v it_o be_v in_o the_o power_n of_o that_o patient_n to_o produce_v that_o effect_n if_o it_o be_v apply_v to_o a_o fit_a agent_n but_o those_o accident_n as_o be_v define_v in_o the_o precedent_a chapter_n constitute_v the_o material_a cause_n and_o therefore_o the_o power_n of_o the_o patient_n common_o call_v passive_a power_n and_o material_a cause_n be_v the_o same_o thing_n but_o with_o this_o different_a consideration_n that_o in_o cause_n the_o past_a time_n and_o in_o power_n the_o future_a be_v respect_v wherefore_o the_o power_n of_o the_o agent_n and_o patient_n together_o which_o may_v be_v call_v entire_a or_o plenary_a power_n be_v the_o same_o thing_n with_o entire_a cause_n for_o they_o both_o consist_v in_o the_o sum_n or_o aggregate_v of_o all_o the_o accident_n as_o well_o in_o the_o agent_n as_o in_o the_o patient_n which_o be_v requisite_a for_o the_o production_n of_o the_o effect_n last_o as_o the_o accident_n produce_v be_v in_o respect_n of_o the_o cause_n call_v a_o effect_n so_o in_o respect_n of_o the_o power_n it_o be_v call_v a_o act._n 2_o as_o therefore_o the_o effect_n be_v produce_v in_o the_o same_o instant_n in_o which_o the_o cause_n be_v entire_a so_o also_o every_o act_n that_o may_v be_v produce_v be_v produce_v in_o the_o same_o instant_n in_o which_o the_o power_n be_v plenary_a and_o as_o there_o can_v be_v no_o effect_n but_o from_o a_o sufficient_a and_o necessary_a cause_n so_o also_o no_o act_n can_v be_v produce_v but_o by_o sufficient_a power_n or_o that_o power_n by_o which_o it_o can_v not_o but_o be_v produce_v 3_o and_o as_o it_o be_v manifest_a as_o i_o have_v show_v that_o the_o efficient_a and_o material_a cause_n be_v several_o and_o by_o themselves_o part_v only_o of_o a_o entire_a cause_n and_o can_v produce_v any_o effect_n but_o by_o be_v join_v together_o so_o also_o power_n active_a and_o passive_a be_v part_n only_o of_o plenary_a and_o entire_a power_n nor_o except_o they_o be_v join_v can_v any_o act_n proceed_v from_o they_o and_o therefore_o these_o power_n as_o i_o say_v in_o the_o first_o article_n be_v but_o conditional_a namely_o the_o agent_n have_v power_n if_o it_o be_v apply_v to_o a_o patient_n and_o the_o patient_n have_v power_n if_o it_o be_v apply_v to_o a_o agent_n otherwise_o neither_o of_o they_o have_v power_n nor_o can_v the_o accident_n which_o be_v in_o they_o several_o be_v proper_o call_v power_n nor_o any_o action_n be_v say_v to_o be_v possible_a for_o the_o power_n of_o the_o agent_n alone_o or_o of_o the_o patient_n alone_o 4_o for_o that_o be_v a_o impossible_a act_n for_o the_o production_n of_o which_o there_o be_v no_o power_n plenary_a for_o see_v plenary_a power_n be_v that_o in_o which_o all_o thing_n concur_v which_o be_v requisite_a for_o the_o production_n of_o a_o act_n if_o the_o power_n shall_v never_o be_v plenary_a there_o will_v always_o be_v want_v some_o of_o those_o thing_n without_o which_o the_o act_n can_v be_v produce_v wherefore_o that_o act_n shall_v never_o be_v produce_v that_o be_v that_o act_n be_v impossible_a and_o every_o act_n which_o be_v not_o impossible_a be_v possible_a every_o act_n therefore_o which_o be_v possible_a shall_v at_o some_o time_n be_v produce_v for_o if_o it_o shall_v never_o be_v produce_v than_o those_o thing_n shall_v never_o concur_v which_o be_v requisite_a for_o the_o production_n of_o it_o wherefore_o that_o act_n be_v impossible_a by_o the_o definition_n which_o be_v contrary_a to_o what_o be_v suppose_v 5_o a_o necessary_a act_n be_v that_o the_o production_n whereof_o it_o be_v impossible_a to_o hinder_v and_o therefore_o every_o act_n that_o shall_v be_v produce_v shall_v necessary_o be_v produce_v for_o that_o it_o shall_v not_o be_v produce_v be_v impossible_a because_o as_o be_v already_o demonstrate_v every_o possible_a act_n shall_v at_o some_o time_n be_v produce_v nay_o this_o proposition_n what_o shall_v be_v shall_v be_v be_v as_o necessary_a a_o proposition_n as_o this_o a_o man_n be_v a_o man._n but_o here_o perhaps_o some_o man_n may_v ask_v whether_o those_o future_a thing_n which_o be_v common_o call_v contingent_n be_v necessary_a i_o say_v therefore_o that_o general_o all_o contingent_n have_v their_o necessary_a cause_n as_o be_v show_v in_o the_o precede_a chapter_n but_o be_v call_v contingent_n in_o respect_n of_o other_o event_n upon_o which_o they_o do_v not_o depend_v as_o the_o rain_n which_o shall_v be_v to_o morrow_n shall_v be_v necessary_o that_o be_v from_o necessary_a cause_n but_o we_o think_v and_o say_v it_o happen_v by_o chance_n because_o we_o do_v not_o yet_o perceive_v the_o cause_n thereof_o though_o they_o exist_v now_o for_o man_n common_o call_v that_o casual_a or_o contingent_a whereof_o they_o do_v not_o perceive_v the_o necessary_a cause_n and_o in_o the_o same_o manner_n they_o use_v to_o speak_v of_o thing_n past_a when_o not_o know_v whether_o a_o thing_n be_v do_v or_o no_o they_o say_v it_o be_v possible_a it_o never_o be_v do_v wherefore_o all_o proposition_n concern_v future_a thing_n contingent_a or_o not_o contingent_a as_o this_o it_o will_v rain_v to_o morrow_n or_o this_o to_o morrow_n the_o sun_n will_v rise_v be_v either_o necessary_o true_a or_o necessary_o false_a but_o we_o call_v they_o contingent_a because_o we_o do_v not_o yet_o know_v whether_o they_o be_v true_a or_o false_a whereas_o their_o verity_n depend_v not_o upon_o our_o knowledge_n but_o upon_o the_o forego_n of_o their_o cause_n but_o there_o be_v some_o who_o though_o they_o confess_v this_o whole_a proposition_n to_o morrow_n it_o will_v either_o rain_n or_o not_o rain_n to_o be_v true_a yet_o they_o will_v not_o acknowledge_v the_o part_n of_o it_o as_o to_z morrow_n it_o will_v rain_v or_o to_o morrow_n it_o will_v not_o rain_v to_o be_v either_o of_o they_o true_a by_o itself_o because_o they_o say_v neither_o this_o nor_o that_o be_v true_a determinate_o but_o what_o be_v this_o determinate_o true_a but_o true_a upon_o our_o knowledge_n or_o evident_o true_a and_o therefore_o they_o say_v no_o more_o but_o that_o it_o be_v not_o yet_o know_v whether_o it_o be_v true_a or_o no_o but_o they_o say_v it_o more_o obscure_o and_o darken_v the_o evidence_n of_o the_o truth_n with_o the_o same_o word_n with_o which_o they_o endeavour_v to_o hide_v their_o own_o ignorance_n 6_o in_o the_o 9th_o article_n of_o the_o precedent_a chapter_n i_o have_v show_v that_o the_o efficient_a cause_n of_o all_o motion_n and_o mutation_n consist_v in_o the_o motion_n of_o the_o agent_n or_o agent_n and_o in_o the_o first_o article_n of_o this_o chapter_n that_o the_o power_n of_o the_o agent_n be_v the_o same_o thing_n with_o the_o efficient_a cause_n from_o whence_o it_o may_v be_v understand_v that_o all_o active_a power_n consist_v in_o motion_n also_o and_o that_o power_n be_v not_o a_o certain_a accident_n which_o differ_v from_o all_o act_n but_o be_v indeed_o a_o act_n namely_o motion_n which_o be_v therefore_o call_v power_n because_o another_o act_n shall_v be_v produce_v by_o it_o afterward_o for_o example_n if_o of_o three_o body_n the_o first_o put_v forward_o the_o second_o and_o this_o the_o three_o the_o motion_n of_o the_o second_o in_o respect_n of_o the_o first_o which_o produce_v it_o be_v the_o act_n of_o the_o second_o body_n but_o in_o respect_n of_o the_o three_o it_o be_v the_o active_a power_n of_o the_o same_o second_o body_n 7_o the_o writer_n of_o metaphysic_n reckon_v up_o two_o other_o cause_n beside_o the_o efficient_a and_o material_a namely_o the_o essence_n which_o some_o call_v the_o formal_a cause_n and_o the_o end_n or_o final_a cause_n both_o which_o be_v nevertheless_o efficient_a cause_n for_o when_o it_o be_v say_v the_o essence_n of_o a_o thing_n be_v the_o cause_n thereof_o as_o to_o be_v rational_a be_v the_o cause_n of_o man_n it_o be_v not_o intelligible_a for_o it_o be_v all_o one_o as_o if_o it_o be_v say_v to_o be_v a_o man_n be_v the_o cause_n of_o man_n which_o be_v not_o well_o say_v and_o yet_o the_o knowledge_n of_o the_o essence_n of_o any_o thing_n be_v the_o cause_n of_o the_o knowledge_n of_o the_o thing_n itself_o for_o if_o i_o first_o know_v that_o a_o thing_n be_v rational_a i_o know_v from_o thence_o that_o the_o same_o be_v man_n but_o this_o be_v no_o
distance_n and_o the_o magnitude_n and_o splendour_n be_v see_v in_o more_o line_n and_o distance_n than_o one_o as_o it_o be_v in_o reflection_n or_o refraction_n than_o neither_o that_o splendour_n nor_o apparent_a magnitude_n be_v in_o the_o sun_n itself_o and_o therefore_o the_o body_n of_o the_o sun_n can_v be_v the_o subject_a of_o that_o splendour_n and_o magnitude_n and_o for_o the_o same_o reason_n the_o air_n and_o other_o part_n will_v be_v reject_v till_o at_o last_o nothing_o remain_v which_o can_v be_v the_o subject_a of_o that_o splendour_n and_o magnitude_n but_o the_o sentient_n itself_o and_o this_o method_n in_o regard_n the_o subject_n be_v divide_v into_o part_n be_v analitycall_a and_o in_o regard_n the_o property_n both_o of_o the_o subject_a and_o accident_n be_v compare_v with_o the_o accident_n concern_v who_o subject_n the_o enquiry_n be_v make_v it_o be_v syntheticall_a 10_o but_o when_o we_o seek_v after_o the_o cause_n of_o any_o propound_a effect_n we_o must_v in_o the_o first_o place_n get_v into_o our_o mind_n a_o exact_a notion_n or_o idea_n of_o that_o which_o we_o call_v cause_n namely_o that_o a_o cause_n be_v the_o sum_n or_o aggregate_v of_o all_o such_o accident_n both_o in_o the_o agent_n and_o the_o patient_n as_o concur_v to_o the_o produce_v of_o the_o effect_v propound_v all_o which_o exist_v together_o it_o can_v be_v understand_v but_o that_o the_o effect_n exi_v with_o they_o or_o that_o it_o can_v possible_o exist_v if_o any_o one_o of_o they_o be_v absent_a this_o be_v know_v in_o the_o next_o place_n we_o must_v examine_v single_o every_o accident_n that_o accompany_v or_o praecede_v the_o effect_n as_o far_o forth_o as_o it_o seem_v to_o conduce_v in_o any_o manner_n to_o the_o production_n of_o the_o same_o and_o see_v whether_o the_o propound_a effect_n may_v be_v conceive_v to_o exist_v without_o the_o existence_n of_o any_o of_o those_o accident_n and_o by_o this_o mean_n separate_v such_o accident_n as_o do_v not_o concur_v from_o such_o as_o concur_v to_o produce_v the_o say_a effect_n which_o be_v do_v we_o be_v to_o put_v together_o the_o concur_v accident_n and_o consider_v whether_o we_o can_v possible_o conceive_v that_o when_o these_o be_v all_o present_a the_o effect_v propound_v will_v not_o follow_v and_o if_o it_o be_v evident_a that_o the_o effect_n will_v follow_v then_o that_o aggregate_v of_o accident_n be_v the_o entire_a cause_n otherwise_o not_o but_o we_o must_v still_o search_v out_o and_o put_v together_o other_o accident_n for_o example_n if_o the_o cause_n of_o light_n be_v propound_v to_o be_v seek_v out_o first_o we_o examine_v thing_n without_o we_o and_o find_v that_o whensoever_o light_n appear_v there_o be_v some_o principal_a object_n as_o it_o be_v the_o fountain_n of_o light_n without_o which_o we_o can_v have_v any_o perception_n of_o light_n and_o therefore_o the_o concurrence_n of_o that_o object_n be_v necessary_a to_o the_o generation_n of_o light_n next_o we_o consider_v the_o medium_fw-la and_o find_v that_o unless_o it_o be_v dispose_v in_o a_o certain_a manner_n namely_o that_o it_o be_v transparent_a though_o the_o object_n remain_v the_o same_o yet_o the_o effect_n will_v not_o follow_v and_o therefore_o the_o concurrence_n of_o transparency_n be_v also_o necessary_a to_o the_o generation_n of_o light_n three_o we_o observe_v our_o own_o body_n and_o find_v that_o by_o the_o indisposition_n of_o the_o eye_n the_o brain_n the_o nerve_n and_o the_o heart_n that_o be_v by_o obstruction_n stupidity_n and_o debility_n we_o be_v deprive_v of_o light_n so_o that_o a_o fit_a disposition_n of_o the_o organ_n to_o receive_v impression_n from_o without_o be_v likewise_o a_o necessary_a part_n of_o the_o cause_n of_o light_n again_o of_o all_o the_o accident_n inhaerent_a in_o the_o object_n there_o be_v none_o that_o can_v conduce_v to_o the_o effect_n of_o light_n but_o only_a action_n or_o a_o certain_a motion_n which_o can_v be_v conceive_v to_o be_v want_v whensoever_o the_o effect_n be_v present_a for_o that_o any_o thing_n may_v shine_v it_o be_v not_o requisite_a that_o it_o be_v of_o such_o or_o such_o magnitude_n or_o figure_n or_o that_o the_o whole_a body_n of_o it_o be_v move_v out_o of_o the_o place_n it_o be_v in_o unless_o it_o may_v perhaps_o be_v say_v that_o in_o the_o sun_n or_o other_o body_n that_o which_o cause_v light_n be_v the_o light_n it_o have_v in_o itself_o which_o yet_o be_v but_o a_o trifle_a exception_n see_v nothing_o be_v mean_v thereby_o but_o the_o cause_n of_o light_n as_o if_o any_o man_n shall_v say_v that_o the_o cause_n of_o light_n be_v that_o in_o the_o sun_n which_o produce_v it_o it_o remain_v therefore_o that_o the_o action_n by_o which_o light_n be_v generate_v be_v motion_n only_o in_o the_o part_n of_o the_o object_n which_o be_v understand_v we_o may_v easy_o conceive_v what_o it_o be_v the_o medium_fw-la contribute_v namely_o the_o continuation_n of_o that_o motion_n to_o the_o eye_n and_o last_o what_o the_o eye_n and_o the_o rest_n of_o the_o organ_n of_o the_o sentient_n contribute_v namely_o the_o continuation_n of_o the_o same_o motion_n to_o the_o last_o organ_n of_o sense_n the_o heart_n and_o in_o this_o manner_n the_o cause_n of_o light_n may_v be_v make_v up_o of_o motion_n continue_v from_o the_o original_a of_o the_o same_o motion_n to_o the_o original_a of_o vital_a motion_n light_n be_v nothing_o but_o the_o alteration_n of_o vital_a motion_n make_v by_o the_o impression_n upon_o it_o of_o motion_n continue_v from_o the_o object_n but_o i_o give_v this_o only_a for_o a_o example_n for_o i_o shall_v speak_v more_o at_o large_a of_o light_n and_o the_o generation_n of_o it_o in_o its_o proper_a place_n in_o the_o mean_a time_n it_o be_v manifest_a that_o in_o the_o search_n out_o of_o cause_n there_o be_v need_v partly_o of_o the_o analyticall_a and_o partly_o of_o the_o syntheticall_a method_n of_o the_o analyticall_a to_o conceive_v how_o circumstance_n conduce_v several_o to_o the_o production_n of_o effect_n and_o of_o the_o syntheticall_a for_o the_o add_v together_o and_o compound_v of_o what_o they_o can_v effect_v single_o by_o themselves_o and_o thus_o much_o may_v serve_v for_o the_o method_n of_o invention_n it_o remain_v that_o i_o speak_v of_o the_o method_n of_o teach_v that_o be_v of_o demonstration_n and_o of_o the_o mean_n by_o which_o we_o demonstrate_v 11_o in_o the_o method_n of_o invention_n the_o use_n of_o word_n consist_v in_o this_o that_o they_o may_v serve_v for_o mark_n by_o which_o whatsoever_o we_o have_v find_v out_o may_v be_v recall_v to_o memory_n for_o without_o this_o all_o our_o invention_n perish_v nor_o will_v it_o be_v possible_a for_o we_o to_o go_v on_o from_o principle_n beyond_o a_o syllogism_n or_o two_o by_o reason_n of_o the_o weakness_n of_o memory_n for_o example_n if_o any_o man_n by_o consider_v a_o triangle_n set_v before_o he_o shall_v find_v that_o all_o its_o angle_n together_o take_v be_v equal_a to_o two_o right_a angle_n and_o that_o by_o think_v of_o the_o same_o tacit_o without_o any_o use_n of_o word_n either_o understand_v or_o express_v and_o it_o shall_v happen_v afterward_o that_o another_o triangle_n unlike_o the_o former_a or_o the_o same_o in_o different_a situation_n shall_v be_v offer_v to_o his_o consideration_n he_o will_v not_o know_v ready_o whether_o the_o same_o property_n be_v in_o this_o last_o or_o no_o but_o will_v be_v force_v as_o often_o as_o a_o different_a triangle_n be_v bring_v before_o he_o and_o the_o difference_n of_o triangle_n be_v infinite_a to_o begin_v his_o contemplation_n anew_o which_o he_o will_v have_v no_o need_n to_o do_v if_o he_o have_v the_o use_n of_o name_n for_o every_o universal_a name_n denote_v the_o conception_n we_o have_v of_o infinite_a singular_a thing_n nevertheless_o as_o i_o say_v above_o they_o serve_v as_o mark_v for_o the_o help_n of_o our_o memory_n whereby_o we_o register_v to_o ourselves_o our_o own_o invention_n but_o not_o as_o sign_n by_o which_o we_o declare_v the_o same_o to_o other_o so_o that_o a_o man_n may_v be_v a_o philosopher_n alone_o by_o himself_o without_o any_o master_n adam_n have_v this_o capacity_n but_o to_o teach_v that_o be_v to_o demonstrate_v suppose_v two_o at_o the_o least_o and_o syllogistical_a speech_n 12_o and_o see_v teach_v be_v nothing_o but_o lead_v the_o mind_n of_o he_o we_o teach_v to_o the_o knowledge_n of_o our_o invention_n in_o that_o track_n by_o which_o we_o attain_v the_o same_o with_o our_o own_o mind_n therefore_o the_o same_o method_n that_o serve_v for_o our_o invention_n will_v serve_v also_o for_o demonstration_n to_o other_o save_v that_o we_o omit_v the_o first_o part_n of_o method_n which_o proceed_v from_o the_o sense_n of_o thing_n to_o universal_a principle_n which_o
end_n that_o the_o reader_n may_v know_v that_o those_o axiom_n be_v not_o indemonstrable_a &_o therefore_o not_o principle_n of_o demonstration_n and_o from_o hence_o learn_v to_o be_v wary_a how_o he_o admit_v any_o thing_n for_o a_o principle_n which_o be_v not_o at_o least_o as_o evident_a as_o these_o be_v great_a be_v define_v to_o be_v that_o who_o part_n be_v equal_a to_o the_o whole_a of_o another_o now_o if_o we_o suppose_v any_o whole_a to_o be_v a_o and_o a_o part_n of_o it_o to_o be_v b_o seeing_z the_o whole_a b_o be_v equal_a to_o itself_o and_o the_o same_o b_o be_v a_o part_n of_o a_o therefore_o a_o part_n of_o a_o will_v be_v equal_a to_o the_o whole_a b._n wherefore_o by_o the_o definition_n above_o a_o be_v great_a than_o b_o which_o be_v to_o be_v prove_v chap._n ix_o of_o cause_n and_o effect_n 1_o action_n and_o passion_n what_o they_o be_v 2_o action_n and_o passion_n mediate_v and_o immediate_a 3_o cause_n simple_o take_v cause_o without_o which_o no_o effect_n follow_v or_o cause_o necessary_a by_o supposition_n 4_o cause_n efficient_a and_o material_a 5_o a_o entire_a cause_n be_v always_o sufficient_a to_o produce_v its_o effect_n at_o the_o same_o instant_n that_o the_o cause_n be_v entire_a the_o effect_n be_v produce_v every_o effect_n have_v a_o necessary_a cause_n 6_o the_o generation_n of_o effect_n be_v continual_a what_o be_v the_o beginning_n in_o causation_n 7_o no_o cause_n of_o motion_n but_o in_o a_o body_n contiguous_a and_o move_v 8_o the_o same_o agent_n and_o patient_n if_o alike_o dispose_v produce_v like_o effect_n though_o at_o different_a time_n 9_o all_o mutation_n be_v motion_n 10_o contingent_a accident_n what_o they_o be_v 1_o a_o body_n be_v say_v to_o work_n upon_o or_o act_n that_o be_v to_o say_v do_v some_o thing_n to_o another_o body_n when_o it_o either_o generate_v or_o destroy_v some_o accident_n in_o it_o and_o the_o body_n in_o which_o a_o accident_n be_v generate_v or_o destroy_v be_v say_v to_o suffer_v that_o be_v to_o have_v something_o do_v to_o it_o by_o another_o body_n as_o when_o one_o body_n by_o put_v forward_o another_o body_n generate_v motion_n in_o it_o it_o be_v call_v the_o agent_n and_o the_o body_n in_o which_o motion_n be_v so_o generate_v be_v call_v the_o patient_n so_o fire_n that_o warm_v the_o hand_n be_v the_o agent_n and_o the_o hand_n which_o be_v warm_v be_v the_o patient_n that_o accident_n which_o be_v generate_v in_o the_o patient_n be_v call_v the_o effect_n 2_o when_o a_o agent_n and_o patient_n be_v contiguous_a to_o one_o another_o their_o action_n and_o reason_n be_v then_o say_v to_o be_v immediate_a otherwise_o mediate_v and_o when_o another_o body_n lie_v betwixt_o the_o agent_n and_o patient_n be_v contiguous_a to_o they_o both_o it_o be_v then_o itself_o both_o a_o agent_n and_o a_o patient_n a_o agent_n in_o respect_n of_o the_o body_n next_o after_o it_o upon_o which_o it_o work_v and_o a_o patient_n in_o respect_n of_o the_o body_n next_o before_o it_o from_o which_o it_o suffer_v also_o if_o many_o body_n be_v so_o order_v that_o every_o two_o which_o be_v next_o to_o one_o another_o be_v contiguous_a than_o all_o those_o that_o be_v betwixt_o the_o first_o and_o the_o last_o be_v both_o agent_n and_o patient_n and_o the_o first_o be_v a_o agent_n only_o and_o the_o last_o a_o patient_n only_o 3_o a_o agent_n be_v understand_v to_o produce_v its_o determine_a or_o certain_a effect_n in_o the_o patient_n according_a to_o some_o certain_a accident_n or_o accident_n with_o which_o both_o it_o and_o the_o patient_n be_v affect_v that_o be_v to_o say_v the_o agent_n have_v its_o effect_n precise_o such_o not_o because_o it_o be_v a_o body_n but_o because_o such_o a_o body_n or_o so_o move_v for_o otherwise_o all_o agent_n see_v they_o be_v all_o body_n alike_o will_v produce_v like_o effect_n in_o all_o patient_n and_o therefore_o the_o fire_n for_o example_n do_v not_o warm_a because_o it_o be_v a_o body_n but_o because_o it_o be_v hot_a nor_o do_v one_o body_n put_v forward_o another_o body_n because_o it_o be_v a_o body_n but_o because_o it_o be_v move_v into_o the_o place_n of_o that_o other_o body_n the_o cause_n therefore_o of_o all_o effect_n consist_v in_o certain_a accident_n both_o in_o the_o agent_n and_o in_o the_o patient_n which_o when_o they_o be_v all_o present_a the_o effect_n be_v produce_v but_o if_o any_o one_o of_o they_o be_v want_v it_o be_v not_o produce_v and_o that_o accident_n either_o of_o the_o agent_n or_o patient_n without_o which_o the_o effect_n can_v be_v produce_v be_v call_v causa_fw-la sine_fw-la qua_fw-la non_fw-la or_o cause_o necessary_a by_o supposition_n as_o also_o the_o cause_n requisite_a for_o the_o production_n of_o the_o effect_n but_o a_o cause_n simple_o or_o a_o entire_a cause_n be_v the_o aggregate_v of_o all_o the_o accident_n both_o of_o the_o agent_n how_o many_o soever_o they_o be_v and_o of_o the_o patient_n put_v together_o which_o when_o they_o be_v all_o suppose_a to_o be_v present_a it_o can_v be_v understand_v but_o that_o the_o effect_n be_v produce_v at_o the_o same_o instant_n and_o if_o any_o one_o of_o they_o be_v want_v it_o can_v be_v understand_v but_o that_o the_o effect_n be_v not_o produce_v 4_o the_o aggregate_v of_o accident_n in_o the_o agent_n or_o agent_n requisite_a for_o the_o production_n of_o the_o effect_n the_o effect_n be_v produce_v be_v call_v the_o efficient_a cause_n thereof_o and_o the_o aggregate_v of_o accident_n in_o the_o patient_n the_o effect_n be_v produce_v be_v usual_o call_v the_o material_a cause_n i_o say_v the_o effect_n be_v produce_v for_o where_o there_o be_v no_o effect_n there_o can_v be_v no_o cause_n for_o nothing_o can_v be_v call_v a_o cause_n where_o there_o be_v nothing_o that_o can_v be_v call_v a_o effect_n but_o the_o efficient_a and_o material_a cause_n be_v both_o but_o partial_a cause_n or_o part_n of_o that_o cause_n which_o in_o the_o next_o precedent_n article_n i_o call_v a_o entire_a cause_n and_o from_o hence_o it_o be_v manifest_a that_o the_o effect_v we_o expect_v though_o the_o agent_n be_v not_o defective_a on_o their_o part_n may_v nevertheless_o be_v frustrate_v by_o a_o defect_n in_o the_o patient_n and_o when_o the_o patient_n be_v sufficient_a by_o a_o defect_n in_o the_o agent_n 5_o a_o entire_a cause_n be_v always_o sufficient_a for_o the_o production_n of_o its_o effect_n if_o the_o effect_v be_v at_o all_o possible_a for_o let_v any_o effect_n whatsoever_o be_v propound_v to_o be_v produce_v if_o the_o same_o be_v produce_v it_o be_v manifest_a that_o the_o cause_n which_o produce_v it_o be_v a_o sufficient_a cause_n but_o if_o it_o be_v not_o produce_v and_o yet_o be_v possible_a it_o be_v evident_a that_o something_o be_v want_v either_o in_o some_o agent_n or_o in_o the_o patient_n without_o which_o it_o can_v not_o be_v produce_v that_o be_v that_o some_o accident_n be_v want_v which_o be_v requisite_a for_o its_o production_n and_o therefore_o that_o cause_n be_v not_o entire_a which_o be_v contrary_a to_o what_o be_v suppose_v it_o follow_v also_o from_o hence_o that_o in_o whatsoever_o instant_n the_o cause_n be_v entire_a in_o the_o same_o instant_n the_o effect_n be_v produce_v for_o if_o it_o be_v not_o produce_v something_o be_v still_o want_v which_o be_v requisite_a for_o the_o production_n of_o it_o and_o therefore_o the_o cause_n be_v not_o entire_a as_o be_v suppose_v and_o see_v a_o necessary_a cause_n be_v define_v to_o be_v that_o which_o be_v suppose_v the_o effect_n can_v but_o follow_v this_o also_o may_v be_v collect_v that_o whatsoever_o effect_n be_v produce_v at_o any_o time_n the_o same_o be_v produce_v by_o a_o necessary_a cause_n for_o whatsoever_o be_v produce_v in_o as_o much_o as_o it_o be_v produce_v have_v a_o entire_a cause_n that_o be_v have_v all_o those_o thing_n which_o be_v suppose_v it_o can_v be_v understand_v but_o that_o the_o effect_n follow_v that_o be_v it_o have_v a_o necessary_a cause_n and_o in_o the_o same_o manner_n it_o may_v be_v show_v that_o whatsoever_o effect_n be_v hereafter_o to_o be_v produce_v shall_v have_v a_o necessary_a cause_n so_o that_o all_o the_o effect_n that_o have_v be_v or_o shall_v be_v produce_v have_v their_o ne_n cessity_n in_o thing_n antecedent_n 6_o and_o from_o this_o that_o whensoever_o the_o cause_n be_v entire_a the_o effect_n be_v produce_v in_o the_o same_o instant_n it_o be_v manifest_a that_o causation_n and_o the_o production_n of_o effect_n consist_v in_o a_o certain_a continual_a progress_n so_o that_o as_o there_o be_v a_o continual_a mutation_n in_o the_o agent_n or_o agent_n by_o the_o work_n of_o other_o agent_n upon_o they_o so_o also_o the_o patient_n upon_o