Nature's progress aided by auxiliary arts, v. 9.11 (5-[114]).
Necessary, begetting of Second by First, v. 4.1 (7-[135]).
Necessary things are those whose possession is unconscious, i. 4.6 (46-[1027]).
Necessity, characteristic of intelligence, v. 3.6 (49-[1100]).
Necessity does not include voluntariness, iv. 8.5 (6-[127]).
Necessity, Heraclitian, iii. 1.4 (3-[91]).
Necessity mingled with reason, iii. 3.6 (48-[1080]).
Necessity of continuous procession to Supreme, iv. 8.5 (6-[129]).
Necessity of existence of the First, v. 4.1 (7-[134]).
Necessity of illumination of darkness must have been eternal, ii. 9.12 (33-[623]).