(66 – 70) : (i) All workshops are industries →Universal Affirmative (A - type). (ii) Some plants are workshops →Particular Affirmative (I -type). (iii) No factory is an industry →Universal Negative (E - type). (iv) Some factories are not industries→ Particular Negative (O- type). All workshops are industries No industry is a factory A + E ⇒ E - type of Conclusion “No workshop is a factory”. This is Conclusion I. Some plants are workshops All workshops are industries. I + A ⇒ I-type of Conclusion “Some plants are industries”.This is Conclusion II. Thus, both Conclusions I andII follow.