Statements: 1. All fish are tortoise. 2. No tortoise is a crocodile. Conclusions: I. No crocodile is a fish. II. No fish is a crocodile

Only conclusion I follows
Only conclusion II follows
Both conclusions I and II follow
Neither conclusion I nor II follows

Correct Answer: Both conclusions I and II follow

Explanation:

First Premise is Universal Affirmative (A-type).
Second Premise is Universal Negative (E-type).
All fish are tortoise. ↔ No tortoise is a crocodile.
A + E ⇒ E - type of Conclusion "No fish is a crocodile".
This is Conclusion II.
Conclusion I is Converse of it.

← Previous Question Next Question→

More Questions from Syllogism

Statements : No pencil is eraser. All erasers are sharpeners. Conclusions: I. All sharpeners are pencils. II. All sharpeners are erasers.
Statements: All roses are yellow. Some roses are flowers. Conclusions: I. Some roses are yellow. II. All roses are flowers.
Statements: All intelligent people are creative. Conclusion I: Some creative people are intelligent. Conclusion II: All intelligent people are creative.
Statements: 1. All cycles are ducks. 2. All ducks are swans. Conclusions: I. All swans are cycles. II. Some swans are cycles.
Statements: Some books are novels. All novels are magazines. Some magazines are journals. Conclusions: I. Some novels are journals. II. Some books are magazines. III. All books are magazines. IV. No novel is a journal.
Statements: (a) Blue is Black and some Black is red. (b) All red is Green but not Yellow Conclusions: I. Some Blue is Green. II. No Black is Yellow. III. Some Black is not Yellow. IV. No Black is Green.
Statements: (a) Some buses are four wheelers. (b) All four wheelers are vans. Conclusions: I. Some vans are buses. II. Some buses are vans.
Statements: (a) All teachers are experienced. (b) Some teachers are spinsters. Conclusions: I. Some experienced are spinsters. II. Some spinsters are experienced.
Statements: (a) No flower is a pot. (b) No pot is a garden. Conclusions: I. No flower is a garden. II. All gardens are pots.
Statements: (a) Most players are men. (b) Some men are singers. Conclusions: I. Some singers are men. II. Some players are singers.

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion