Kitap 7
2.6
conjecture as to intention is obviously concerned with all three times. We ask with what purpose Ligarius went to Africa, with what purpose Pyrrhus is asking for a treaty, and how Caesar will take it if Ptolemy kills Pompey. cp. III. viii. 56. We may also employ conjecture to enquire into quality in questions dealing with size, species and number, such as whether the sun is greater than the earth, whether the moon is spherical, flat or conical, whether there is one universe or several, or,
2.7
to go outside these physical speculations, whether the Trojan or the Peloponnesian war was the greatest, what was the nature of the shield of Achilles, or whether there was more than one Hercules. In forensic cases, however, which consist of accusation and defence, there is one kind of conjecture by which we enquire both about an act and about its author. This sometimes treats the two questions together, as, for example, when both the act and the identity of the author are denied, and sometimes separately, as when the first enquiry, whether the act was committed, is followed by a second, where, the act being admitted, the question is by whom it was committed.