[175] D7, 8.

[176] e1; R8.

[177] R7, 17.

[178] Chambry, pp. 22-3.

[179] R6.

[180] D7, 10, 12, 13, 14-18, 22; cp. D46.

[181] R6.

[182] R4.

[183] R7.

[184] D46.