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which one of the following is not correct?
1. If one of the premises is invalid, the argument is not true
2. An argument cannot be sound if one of the premise is false
3. If premises entail the conclusion then the argument will be valid
4. A deductive argument may be valid without being sound
Given below are two statements : Statement I:  The evaluation of an argument involves two steps namely evaluating the link between premises and conclusion and evaluating the truth of the premises. Statement II: Deductive arguments in which the conclusion actually follows from the premises are said to be valid, and those that also have true premises are said to be sound. In the light of the above statements, choose the correct answer from the options given below :
Which of the following statements correctly apply to deductive arguments? A. Deductive arguments are either valid or invalid B. There must be a necessary relation between the premises and the conclusion C. Adding new premises improves the validity D. False premises may lead to a true conclusion Choose the correct answer from the options given below :
Which of the following statements are correct with reference to the argument by analogy? A. It is a deductive type of argument B. It is an inductive type of argument C. It is not intended to be mathematically certain D. It is to be classified as either valid or invalid E. Its conclusion does not follow from the premises with logical necessity Choose the correct answer from the options given below:
Which of the following statements correctly apply to inductive arguments? A. They are neither conclusively valid nor invalid. B. Adding new premises makes no difference to the argument. C. Adding new premises may strengthen/weaken the argument. D. Conclusion follows from premises with absolute necessity. Choose the correct answer from the options given below:
Consider the following statements.
1. All valid arguments contain only true premises and a true conclusion.
2. Some valid arguments contain only false propositions - false premises and a true conclusion.
3. All valid arguments contain only false propositions all premises are false, conclusion is false as well.
Which of the above statements is correct?
Consider the following statements.
1. All valid arguments have only true premises.
2. A sound argument must be valid.
3. An argument with a false conclusion can't be valid.
4. All arguments with true conclusion are valid.
Which of the following statements is/are correct?
Consider the following statements
1. All valid arguments have only true premises.
2. A sound argument must be valid.
3. An argument with a false conclusion cannot be valid.
4. All arguments with true conclusion are valid.
Which of the statements given above is/are correct?
Consider the following statements and choose the right option A. Middle term should be distributed in atleast one premise B. Middle term should be present in the conclusion C. Both premises can be particular in a valid argument D. Both premises can be negative in a valid argument
Consider the argument and decide which of the given assumptions is/are implicit. Argument: Use of cell phone is strictly prohibited on the college premises. Assumptions: 1. Students using phones on the college premises will be strictly punished. 2. No student is allowed to use a phone on college premises.