(1) First Premise is Particular Affirmative (I-type). Second and third Premises are Universal Affirmative (A type). (A) Some pigeons are dogs All dogs are cats We know that,I + A ⇒I-type Conclusion Thus, our derived Conclusion would be : "Some pigeons are cats.” Conclusion II is the converse of this Conclusion. (B) Some dogs are pigeons. All pigeons are horses. We know that, I + A ⇒I-type Conclusion Thus, our derived Conclusion would be : “Some dogs are horses.” Conclusion I is the converse of this Conclusion. (C) Some cats are pigeons. All pigeons are horses. We know that,I + A ⇒I-type Conclusion Thus, our derived Conclusion would be : “Some cats are horses.” Conclusion III is the converse of this Conclusion.