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3 cards from this section. Quick, good the night before a test.
What is a valid argument?
Think about the logical connection between premises and conclusion.
List one rule of inference.
Which rule tells us about affirming the conclusion?
What does Modus Ponens allow us to conclude?
Look for the conclusion drawn from true premises.
True or False: If p → q and ¬q, then it can be concluded that ¬p.
Think about which statements are negated.
Using both Modus Ponens and Modus Tollens, construct a reasoning chain where one leads to the other, ensuring all steps are logically valid.
Make sure to track your premises closely.
Analyze the following argument for fallacies: 'If I eat ice cream (p), then I will be happy (q). I am happy (q); therefore, I ate ice cream (p)'. Identify any fallacies and correct the argument.
Consider alternate sources for the conclusion's truth.
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