Book, Paragraph

1      I,  12|     reciprocate. I might then argue thus: let A be an existing
2      I,  32| established principles we may argue the case as follows, confining-ourselves
3     II,  4 | assumed, impossible.~We might argue it impossible on the following
4     II,  12|      cannot reason (we cannot argue that because an event A
5     II,  12|    immediate premiss; e.g. we argue that, since C has occurred,
6     II,  12|       is the present. We next argue that, since D has occurred,
7     II,  16| interposition. For, one might argue, if this cause is not present,
8     II,  16|     than one cause? One might argue as follows: if the same