The position of the terms in this figure is shewn thus,—

M – P
M – S

⎯⎯

S – P ;

and its special rules are,—
(1) The minor must be affirmative ;
(2) The conclusion must be particular.

Proceeding as before, we are left with six valid moods, namely, AAI, AII, EAO, EIO, IAI, OAO.

The special rules and the legitimate moods of Figure 4.

The position of the terms in this figure is shewn thus,—

P – M
M – S

⎯⎯