Syllogism Questions

• Inference selection – Radios sold and quality standard: Statements: (i) All radios sold in that shop are of high standard. (ii) Some Murphy radios are sold in that shop. Inferences to test: I) All high-standard radios are manufactured by Murphy. II) Some Murphy radios are of high standard. III) None of the Murphy radios is of high standard. IV) Some high-standard Murphy radios are sold in that shop.
• Syllogism – Shared predicate without forced intersection: Statements: • All children are playful. • Some animals are playful. Conclusions: I) Some animals are children. II) Some children are animals.
• Syllogism – Some + No relation: Statements: (a) Some skirts are benches. (b) No bench is a table. Conclusions: I) Some skirts are tables. II) Some benches are skirts. III) All benches are skirts. IV) Some tables are skirts.
• Syllogism – Universal inclusion with a universal exclusion: Statements: (a) All pens are pencils. (b) No pencil is a monkey. Conclusions: I) No pen is a monkey. II) Some pens are monkeys. III) All monkeys are pens. IV) Some monkeys are pens.
• Syllogism – Three chained universals: Statements: (a) All dogs are rats. (b) All rats are crows. (c) All crows are parrots. Conclusions: (I) All dogs are parrots. (II) Some parrots are dogs. (III) Some crows are dogs. (IV) All rats are dogs.
• Syllogism – Two universals in a chain: Statements: (a) All animals are dogs. (b) All dogs are birds. Conclusions: I) All animals are birds. II) All birds are animals.
• Syllogism – One particular and one universal: Statements: • Some phones are watches. • All watches are guns. Conclusions: I) All guns are watches. II) Some guns are phones.
• Syllogism – Universal about all students plus a particular about some students: Statements: (a) All students like excursions. (b) Some students like laboratory experiments. Conclusions: (I) Students who like laboratory experiments also like excursions. (II) Some students do not like laboratory experiments but like excursions.
• Syllogism – Particular plus universal, reasoning about non-barking dogs: Statements: • Some dogs bark. • All dogs bite. Conclusions: I) Dogs that do not bark also bite. II) Dogs that do not bark do not necessarily bite.
• Syllogism – Two subsets of the same superset (Angels): Statements: (a) Some humane creatures are angels. (b) All doctors are angels. Conclusions: I) Some humane creatures are doctors. II) Some doctors are humane creatures.
• Syllogism – Universal negative: Statement: • No children are voters. Conclusions: I) All adults are voters. II) No voters are children.
• Syllogism — Peacocks, tigers, and lions (subset chaining): Statements: (a) All peacocks are lions. (b) Some tigers are peacocks. Conclusions to test: I. Some lions are not tigers. II. All tigers are lions. III. Some tigers are lions. IV. All peacocks are tigers. Choose the option that states what necessarily follows.
• Syllogism — Mobiles, watches, and calculators (careful with middle term): Statements: (a) No mobile is a watch. (b) All watches are calculators. Conclusions to test: I. No calculator is a mobile. II. Some calculators are mobiles. Select what necessarily follows.
• Syllogism — Benches, tables, and chairs (direction of inclusion): Statements: (a) All benches are tables. (b) No table is a chair. Conclusions to test: I. All benches are chairs. II. All tables are benches. III. No tables are benches. IV. No benches are chairs.
• Syllogism — Books, calculators, and mobiles (reading “some” correctly): Statements: (a) Some books are mobiles. (b) Some calculators are mobiles. Conclusions to test: I. Some mobiles are calculators. II. Some mobiles are books.
• Syllogism — Stones, gold, and banks (don’t force extra overlap): Statements: (a) Some stones are gold. (b) Some gold are banks. Conclusions to test: I. Some banks are stones. II. Some gold are stones. III. No stone is bank. IV. Some banks are gold.
• Syllogism — Men, bachelors, teachers, and spiritual (chain with partial existence): Statements: (a) All men are bachelors. (b) Some bachelors are teachers. (c) Some teachers are spiritual. Conclusions to test: I. All men are spiritual. II. Some teachers are spiritual. III. Some men are spiritual. IV. All teachers are spiritual.
• Syllogism — Food, sweet, and sour (reading independence of “some”): Statements: • Some food are sweet. • Some food are sour. Conclusions to test: (I) All food are either sweet or sour. (II) Some sweets are sour.
• Syllogism — Ladies, beautiful, honest, sensitives (multi-step reasoning): Statements: • Some ladies are beautiful. • Some beautiful are honest. • All honest are sensitives. Conclusions: 1) Some sensitives are beautiful. 2) Some honest are ladies. 3) Some sensitives are ladies.
• Syllogism — Pens, pencils, and erasers (universal negative via subset): Statements: • All pens are pencils. • No pencil is an eraser. Conclusions: I. No eraser is a pen. II. No pen is an eraser.