My understanding of strong and valid arguments is that the word choice of the statement or statements is what makes that statement either strong or valid.
For a statement to be strong, there has to be some way for the premise to be true while the conclusion is false, all occurring at the same time. For example: A lady came in to a store to purchase hair clippers for her dog. Two days later, the same lady brought the clippers back for a refund stating that she decided to take the dog to the groomers and had not used the product. The clippers were extremely hairy and dirty. The dog had missing patches of hair. Therefore the lady must have tried to clip her dog and it didn’t work out the way she planned.
For a statement to be valid, when there is no possibility of the premise being true while the conclusion is false. For example: At work I am able to earn an extra $30 if I sell $520 worth of promo items over the course of a week. My weeks total for the sale of promo items was $525 by Saturday. This means I am entitled to my $30 bonus.
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