Of the Determination of the Moods that are valid in the Four Figures.
§ 621. By applying the special rules just given we shall be able to determine how many of the eleven legitimate moods are valid in the four figures.
$622. These eleven legitimate moods were found to be
AAA. AAI. AEE. AEO. AII. AOO. EAE. EAO. EIO. IAI. OAO.
FIGURE 1.