2p10d.md (330B)
1 The being of substance involves necessary existence 2 (Part i., Prop. vii.). If, therefore, the being of substance 3 appertains to the essence of man, substance being granted, man 4 would necessarily be granted also (II. Def. ii.), and, 5 consequently, man would necessarily exist, which is absurd 6 (II. Ax. i.). Therefore, &c. Q.E.D. 7 8