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2-3 Deductive Reasoning

2-3 Deductive Reasoning - p → Law of Syllogism If and are...

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Deductive Reasoning Section 2-3
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Deductive reasoning is the process of reasoning logically from given statements to a conclusion. It uses a rule to make a conclusion. Inductive reasoning uses examples to make a conjecture or rule.
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Law of Detachment If is a true conditional and p is true, then q is true. Ex. “If a coin is a penny, then it is made of copper.” 1. A coin is a penny. 2. It is made of copper. q
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Unformatted text preview: p → Law of Syllogism If and are true conditionals, then is also true 1. “If it’s an apple, then it’s a fruit.” 2. “If it’s a fruit, then it’s good for you.” 3. “If it’s an apple, then it’s good for you.” q p → r q → r p → Joke Time How do you paint a rabbit? With hare spray! What did the rabbits say when the farmer caught them in the garden? Lettuce alone!...
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