If an argument is strong with false premises, the argument must be uncogent. "The argument may be either valid or invalid."
When trying to decide the validity of an argument in sense, the truth of a premise is a non-factor. Logic is concerned about whether or not an argument would effectively communicate truth from its premises to the conclusion if the premises were true.
An argument with a variety of true and false premises is still believed to be an argument with false premises - it is false that all of the premises are true. However, in these examples, the conclusion is false. For either example, the logic is invalid and the premises are false.
More about validity of an argument:
brainly.com/question/5756468
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