Categorical Syllogism Name III IIO IIA IIE IOI IOO IOA IOE IAI IAO IAA IAE IEI IEO IEA IEE OII OIO OIA OIE OOI OOO OOA OOE OAI OAO OAA OAE OEI OEO OEA OEE AII AIO AIA AIE AOI AOO AOA AOE AAI AAO AAA AAE AEI AEO AEA AEE EII EIO EIA EIE EOI EOO EOA EOE EAI EAO EAA EAE EEI EEO EEA EEE Figure: 1 2 3 4 Classic Mnemonic  Barbara Barbari Celarent Darii Ferio Celaront Cesare Cesaro Camestres Festino Baroco Darapti Felapton Disamis Datisi Bocardo Ferison Bamalip Camenes Dimatis Fesapo Fresison Major Mode M P Some P are M Some M are P Some P are not M Some M are not P All P are M All M are P No P are M No M are P Dist Undist Minor S M Some M are S Some S are M Some M are not S Some S are not M All M are S All S are M No M are S No S are M Dist Undist Conclusion S P Some S are P Some S are not P All S are P No S are P Dist Undist Valid