FALSE: A valid argument must have a true conclusion only if all of the premises are true. So it is possible for a valid argument to have a false conclusion as
long as at least one premise is false
.
Can a valid argument have false premises and a false conclusion?
A valid argument can have false premises
; and it can have a false conclusion. But if a valid argument has all true premises, then it must have a true conclusion.
Can a valid argument have a false conclusion example?
Any argument with necessarily false premises
How can an argument be valid but have false premises?
A valid argument can have false premises
; and it can have a false conclusion. But if a valid argument has all true premises, then it must have a true conclusion. … Since a sound argument is valid, it is such that if all the premises are true then the conclusion must be true.
What happens to a conclusion with false premises?
Nevertheless, in these examples, the conclusion is true.
Validity
is a guarantee of a true conclusion when the premises are true but offers no guarantee when the premises are false. False premises can lead to either a true or a false conclusion even in a valid argument.
Can an unsound argument have a true conclusion?
It should be noted that both invalid, as well as valid but
unsound, arguments can nevertheless have true conclusions
. One cannot reject the conclusion of an argument simply by discovering a given argument for that conclusion to be flawed.
Can a cogent argument have false premises?
To say an argument is sound is to say it is a “good” argument, that the conclusion ought to be believed. … To say an argument is cogent is to say it is good, believable; there is good evidence that the conclusion is true.
A weak argument cannot be cogent
, nor can a strong one with a false premise(s).
Is every argument with false premises invalid?
If an argument is invalid, then it must have
at least one false premise
. If an argument has a conclusion that is certainly false, then the argument must be invalid. If the premises and conclusion are all false, the argument must be invalid. Some invalid arguments have true premises and a true conclusion.
What is an example of false premise?
A false premise is an incorrect proposition that forms the basis of an argument or syllogism. Since the premise (proposition, or assumption) is not correct, the conclusion drawn may be in error. … For example, consider this syllogism, which involves a false premise:
If the streets are wet, it has rained recently
.
What is falsified conclusion?
A false conclusion is
where all given reasons and evidence point to a given conclusion
, but due to the omission, incorrect assumption, lie or missing piece of information required, the individual arrives at a false conclusion.
What logical conclusion can you draw about an argument that is valid but has a false conclusion?
What logical conclusion can you draw about an argument that is valid but has a false conclusion? This
argument must have at lease one false premise
Why should be conclusion The final part of your paper?
Writing a Conclusion. A conclusion is an important part of the paper;
it provides closure for the reader while reminding the reader of the contents and importance of the paper
. It accomplishes this by stepping back from the specifics in order to view the bigger picture of the document.
How do you know if an argument is valid or invalid?
Valid: an argument is valid if and only if it is necessary that if all of the premises are true, then the conclusion is true; if all the premises are true, then the conclusion must be true; it is impossible that all the premises are true and the conclusion is false. …
If this is possible
, the argument is invalid.
What is a strong argument?
Definition: A strong argument is
a non-deductive argument
What is a valid but unsound argument?
Valid arguments can go wrong by being unsound: an argument is unsound when it is. either invalid or has one or more false premises
Can an inductive argument have a false conclusion?
An inductive argument is an argument that is intended by the arguer to be strong enough that, if the premises were to be true, then it
would be unlikely that the conclusion is false
. … An inductive argument can be affected by acquiring new premises (evidence), but a deductive argument
