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Deductive/Inductive

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Submitted By pazminoc
Words 520
Pages 3
Cesar Pazmino
Sub: Critical Thinking
Mid-term Exam
Due: 11/3/2014 My argument: Marijuana is a dangerous substance. A dangerous substance should not be legalize. Therefore marijuana should not be legalize. 1. Deconstruct the Argument: a. Paraphrase the premises and conclusions in your own words:
Premise 1: Marijuana is a dangerous substance.
Premise 2: A dangerous substance should not be legalize.
Conclusion: Therefore marijuana should not be legalize. b. Convert the argument structure into an equation structure, as done in class.
The equation we used in class if A=B, B=C, Therefore A=C
Marijuana = A
Dangerous substance = B
Should not be legalize = C
Marijuana (A) = Dangerous substance (B)
Dangerous substances (B) = should not be legalized (C)
Marijuana (A) = should not be legalized (C) 2. Analyze the argument: a. This argument is a deductive argument because the premises are stated by facts rather than assumptions of uncertainty; key words such as “most likely” would make the argument an inductive argument. In a deductive argument the conclusion is directly reached through logical rules from the premises. Meanwhile, inductive is reached by generalizing the information of the premises. In my argument it states that marijuana is a dangerous substance and dangerous substance shouldn’t be legalize. These are direct statements that don’t give any generalization; leading to its conclusion. Each of these differences makes this argument be a deductive one. b. The logic structure of this argument works. If all the premises are true than the conclusion must also be true. The premises were direct statement without uncertainty. The equation as well can show that this argument works as both variable (B) were cancelled out making the conclusion true. Therefore the argument is valid. 3. Evaluate the premises:
Premise 1 is reasonable

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