If the statement - "Some animals are not birds" is given as false, then which of the following statements can be immediately inferred to be false?
No animals are birds.
To determine which statement can be immediately inferred to be false given that the statement "Some animals are not birds" is false, we need to analyze the implications:
- If the statement "Some animals are not birds" is false, then logically, it implies that all animals are birds. This is because the negation of "Some animals are not birds" is "All animals are birds."
- Since "All animals are birds" is true in this scenario, let's evaluate the given options:
- Option 1: All animals are birds. This is consistent with our inference, so it cannot be false.
- Option 2: No animals are birds. This directly contradicts "All animals are birds." Hence, this must be false.
- Option 3: Some animals are birds. This is also true because if all animals are birds, then naturally, some animals will be birds as well.
- Option 4: Some animals can fly. This option is not directly relevant to whether animals are birds or not. It speaks to another characteristic (ability to fly) not mentioned in the original statement.
Based on this logical analysis, the statement that can be immediately inferred to be false is "No animals are birds."
Similar Questions
In a square of opposition, if 'No animals with horns are carnivores' is false, which of the following is the correct code?
codes:
A. 'Some animals with horns are carnivores' is true.
B. 'Some animals with horns are not carnivores' is true.
C. 'All animals with horns are carnivores' is false
D. 'All the animals with horns are carnivores' is undermined.Which of the following statements are logically equivalent?
A. Some cricketers are kind men.
B. Some kind men are cricketers.
C. Some cricketers are not non-kind men.
D. Some non-kind men are not non-cricketers.
Choose the correct answer from the options given below:Which of the following statements is contrary to the statement- "No football players are kind-hearted human beings"?
If the statement-"Some athletes are kind human beings" is given as true, then which of the following statements can be immediately inferred to be false?
Which of the following statements is contradictory to the statement - "Some birds are mammals"?
Which of the following is contrary to the statement "No mammals are birds"?
If the statement "Some animals are birds" is given as false then which of the following statements can be immediately inferred to be false?
Which of the following propositions can be directly inferred from the statement - "All mammals are four-legged animals?
Which of the following statements are contradictory to each other?
A. All objects are perishable.
B. Some objects are not perishable.
C. Some objects are perishable.
D. No objects are perishable.
Choose the most appropriate answer from the options given below:
Which of the following statements is contradictory to the statement-" all dogs are friendly animals" ?
Important Questions from Classical Square of Opposition
Which of the following statements are so related that they can not both be true but could both be false?
A. All Biologists are outstanding teachers.
B. Some Biologists are outstanding teachers.
C. No Biologists are outstanding teachers.
D. Some Biologists are not outstanding teachers.
Choose the correct answer from the options given below:
- Which of the following propositions are so related that they can neither be true together nor can they be false together?
A. All printers are computer peripherals.
B. Some computer peripherals are printers.
C. Some printers are not computer peripherals.
D. No printers are computer peripherals.
Choose the correct answer from the options given below: - Which of the following statements contradict each other ?
A. All ducks are birds.
B. Some ducks are birds.
C. Some ducks are not birds.
D. No ducks are birds.
Choose the most appropriate answer from the options given below : - If the statement "No birds are animals" is given as false, which of the following statements can be inferred to be true ?
A. Some animals are not birds.
B. Some birds are not animals.
C. Some animals are birds.
D. Some birds are animals.
Choose the most appropriate answer from the options given below : - Which of the following statements are sub-contraries?
A. All sparrows are birds.
B. No sparrows are birds.
C. Some sparrows are birds.
D. Some sparrows are not birds.
Choose the correct answer from the options given below:
