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Yes, strong arguments can be based on false premises, made-up "facts," iffy scientific "evidence," etc. It is actually fairly common.
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How Can a strong inductive argument have a false conclusion?
Since an inductive argument is an argument where the truth of the premises make it reasonable to hold that the conclusion is true, it does not necessarily guarantee it, meaning you could have a false conclusion.
A valid argument can have a false conclusion True or False?
True. - Valid arguments are deductive. - Arguments are valid if the premises lead to the conclusion without committing a fallacy. - If an argument is valid, that means that if the premises are true, then the conclusion must be true. - This means that a valid argument with a false premise can lead to a false conclusion. This is called a valid, unsound argument. - A valid, sound argument would be when, if the premises are true the conclusion must be true and the premises are true.
Can a sound argument have a false conclusion?
A sound argument cannot have a false conclusion. A sound argument refers to a deductive argument which is valid and has all true premises, therefore its conclusion cannot be false.
What will the The truth table for a valid deductive argument show?
that the premises are false.
How do you identify a strong or weak argument?
A valid argument is one in which the truth of the premises guarantees the truth of its conclusion. An invalid argument is one in which the truth of the premises does not guarantee the truth of the conclusion. In invalid arguments, the conclusion does not follow with strict necessity from the premises, even though it is claimed to.
How Can a strong inductive argument have a false conclusion?
Since an inductive argument is an argument where the truth of the premises make it reasonable to hold that the conclusion is true, it does not necessarily guarantee it, meaning you could have a false conclusion.
A valid argument can have a false conclusion True or False?
True. - Valid arguments are deductive. - Arguments are valid if the premises lead to the conclusion without committing a fallacy. - If an argument is valid, that means that if the premises are true, then the conclusion must be true. - This means that a valid argument with a false premise can lead to a false conclusion. This is called a valid, unsound argument. - A valid, sound argument would be when, if the premises are true the conclusion must be true and the premises are true.
What makes an effective argument?
sound premises + strong facts + strong conclusion = effective solid argument
Can a sound argument have a false conclusion?
A sound argument cannot have a false conclusion. A sound argument refers to a deductive argument which is valid and has all true premises, therefore its conclusion cannot be false.
What will the The truth table for a valid deductive argument show?
that the premises are false.
How do you identify a strong or weak argument?
A valid argument is one in which the truth of the premises guarantees the truth of its conclusion. An invalid argument is one in which the truth of the premises does not guarantee the truth of the conclusion. In invalid arguments, the conclusion does not follow with strict necessity from the premises, even though it is claimed to.
When is stong inductive argument uncogent?
strong argument with at least one false premise
What are Truth Validity and Soundness?
In Debate, specifically in a logical argument, Truth is a premise that corresponds to the way the world actually is. Validity in an argument is that if the premises are true, then so is the conclusion (it is possible for the arguments to be valid even if the premises are false). Soundness is when the premises is true and the argument is valid. To reiterate, arguments cannot be true (only statements can be true), but they can be valid and sound. When an statement is true it goes along with the way the world really is. When an argument is valid, then the premises and the conclusion are logically connected in such a way that if the premises are true, then the conclusion must also be true. Saying an argument is valid does not guarantee that the premises are true. When an argument is sound, the premises are true and the argument is valid, so the conclusion must also be true.
What are the distinguished features of cogent and uncogent arguments?
Both are inductive arguments, cogent is strong with all true premises, uncogent is either weak, or strong but with one or more false premises or both.
What is argument validity?
Validity is an evaluation criteria for a deductive argument. A deductive argument is valid if it is impossible for it to have all true premises and a false conclusion.eg. All cats are green. All green things are wizards. Therefore, all cats are wizards.
Can an argument with a true premises and true conclusion be invalid?
Yes. It could be a coincidence that the premises and conclusion are all true. For example, here is an argument: 1. It is true that if a person belongs to the Republican Party they must be an American. 2. Mitt Romney is an American. 3. Therefore, the conclusion is that Mitt Romney is a Republican. Although both premises and the conclusion are true, the argument is not valid. That is because it is possible to imagine an argument in this form where the premises were true, but the conclusion is not. (Imagine if the second premise were "Barack Obama is an American" which is true, leading to the conclusion "Barack Obama is a Republican" which is false.)
What are the three argument types?
The three argument types are deductive, inductive, and presumptive. Their differences are based on the strictness of the connection of the premises to the conclusion.Deductive: In a valid deductive argument, if the premises are true, by logical necessity, the conclusion must be true. There is a strict link between the premises and the conclusion. It is logically impossible for the premises to be true and the conclusion false. There are multiple types of deductive arguments shown in the related question below.Inductive: Not such a strict link between premises and the conclusion. Inductive is usually based on probability (and therefore may contain statistics and percentages). So if the premises are true, the conclusion is probably true. Keywords in an inductive argument include some, most, usually, typically, and other words that suggest that not all things mentioned in the premises are or do what is suggested. It is pretty much a yes or no argument, either deductively valid or not.Presumptive: In this case, the presumption is based on probability, it is tentatively acceptable if the premises are true. This type of argument is usually used when there is no evidence suggesting the contrary, in which case the argument would be proved wrong.
