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Analyzing Arguments. Objectives. Determine the validity of an argument using a truth table. State the conditions under which an argument is invalid. Vocabulary. hypothesis conclusion valid argument. Use the given symbols to rewrite the argument in symbolic form:.
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Objectives • Determine the validity of an argument using a truth table. • State the conditions under which an argument is invalid
Vocabulary • hypothesis • conclusion • valid argument
Use the given symbols to rewrite the argument in symbolic form: • If it is Tuesday, then the tour group is in Belgium. • The tour group is not in Belgium. p: It is Tuesday. The tour group is in Belgium. q: Therefore, it is not Tuesday.
Make a truth table to determine the validity of the argument
Define the necessary symbols, rewrite the argument in symbolic form, and use a truth table to determine whether the argument is valid. If you are not in a hurry, you eat at Lulu’s Diner. If you are in a hurry, you do not eat good food. You eat at Lulu’s. Therefore, you eat good food.
If you are not in a hurry, you eat at Lulu’s Diner. If you are in a hurry, you do not eat good food. You eat at Lulu’s. Therefore, you eat good food. 1. If you are not in a hurry, you eat at Lulu’s Diner. If you are in a hurry, you do not eat good food. 2. You eat at Lulu’s. 3. Therefore, you eat good food.
If you are not in a hurry, you eat at Lulu’s Diner. If you are in a hurry, you do not eat good food. You eat at Lulu’s. Therefore, you eat good food. p: You are in a hurry. Your eat at Lulu’s Diner. q: You eat good food. r:
1. If you are not in a hurry, you eat at Lulu’s Diner. If you are in a hurry, you do not eat good food. 2. You eat at Lulu’s. 3. Therefore, you eat good food. 1. 2. 3. q Therefore, r.
If the argument is invalid, interpret the specific circumstances that cause the argument to be invalid. If you are not in a hurry, you eat at Lulu’s Diner. If you are in a hurry, you do not eat good food. You eat at Lulu’s. Therefore, you eat good food.