Reasoning – Syllogism

1) Consider the following: ‘All fruits are healthy. No healthy thing is spicy.’ What conclusions can you draw? 1. No fruit is spicy. 2. Some healthy things are fruits.

2) Consider the statements: ‘Some books are papers. All papers are pens.’ Which one of the following conclusions can be drawn? 1. Some books are pens. 2. No pens are books.

3) Based on statements ‘Some pens are pencils. All pencils are stationery items.’ What conclusions can be reached? 1. All pens are stationery items. 2. Some stationery items are pens.

4) Given the premises ‘All roses are flowers. Some flowers are beautiful.’ What conclusion can be made? 1. Some roses are beautiful. 2. Some flowers are not beautiful.

5) All lions are cats. All cats are mammals. Therefore, all lions are mammals.

6) All dogs are animals. Some animals are not mammals. Therefore, some dogs are not mammals.

7) Consider: ‘All men are humans. Some humans are doctors.’ Which conclusion is valid? 1. Some men are doctors. 2. Some doctors are humans.

8) No chairs are furniture. No furniture are chairs. Therefore, no tables are not chairs.

9) Statements given: ‘Some birds are sparrows. All sparrows are animals.’ Which of the following conclusions can be logically derived? 1. Some birds are animals. 2. No animals are birds.

10) Statements: ‘All teachers are professionals. Some professionals are artists.’ What are the valid conclusions? 1. Some teachers are artists. 2. Some artists are professionals.