Which of the following statements is contradictory to the statement-" all dogs are friendly animals" ?
Some dogs are not friendly animals.
To determine which statement is contradictory to the statement "All dogs are friendly animals," we need to analyze what the given statement logically reflects and what each option implies.
The statement "All dogs are friendly animals" can be represented in logical terms as:
Now, let's analyze each of the given options:
Conclusion: Based on the logical analysis, the statement "Some dogs are not friendly animals" is the one that contradicts the original statement "All dogs are friendly animals." Therefore, the correct answer is:
Correct Answer: Some dogs are not friendly animals.
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:
If the statement 'No men are honest' is given as false, then which of the following could be immediately inferred from it?
A. 'All men are honest' is true
B. 'All men are honest' is undetermined
C. 'Some men are not honest' is true
D. 'Some men are honest' is true
Choose the correct answer from the options given below:
Given below are two statements
Statement I: Contrary statements are so related that if one of them is true, the other must be false.
Statement II: Contrary statements cannot both be false.
In light of the above statements, choose the correct answer from the options given below :
If the proposition ‘domestic animals are hardly ferocious’ is taken to be false, which of the following proposition/propositions can be claimed to be certainly true? Select the correct code:
Propositions:
(a) All domestic animals are ferocious.
(b) Most of the domestic animals are ferocious.
(c) No domestic animal is ferocious.
(d) Some domestic animals are non-ferocious.
Code:
Given below are four statements. Among them two are related in such a way that they can both be true but they cannot both be false. Select the code that indicates those two statements:
Statements:
(a) Honest people never suffer.
(b) Almost all honest people do suffer.
(c) Honest people hardly suffer.
(d) Each and every honest person suffers.
Code:
Among the following propositions two are related in such a way that they cannot both be true but can both be false. Select the code that states those two propositions.
Propositions:
(a) Every student is attentive.
(b) Some students are attentive.
(c) Students are never attentive.
(d) Some students are not attentive.
Codes:
If proposition 'some milk is curd' is taken to be true, then which of the following propositions can be false?
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: