. . "Isagogics" . . . . "'''Is\u0101gh\u016Bj\u012B'''" . . . "isagoge" . . "Isagoge" . . . . "his introduction (in Greek, \\\"''Isagoge''\\\")" . . . "Eisagoge" . . "Isagoge" . . . "Introduction to Categories" . "introduction to Aristotelian logic" .