Law of Detachment Prequiz

Law of Detachment

Consider This Scenario

*** Ellis plans to sign a new cell phone contract. ***

1) If Ellis signs a contract with Verizon, then he gets an iPhone 11 free.

We will use this scenario to explore 3 different outcomes. Statement 1) is assumed to be true.

Open Ended

Scenario 1

1) If Ellis signs a contract with Verizon, then he will get a free iPhone.

2) Ellis signs a contract with Verizon.

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What can you conclude? Why?

Open Ended

Scenario 2

1) If Ellis signs a contract with Verizon, then he gets an iPhone 11 free.

2) Ellis DOES NOT sign a contract with Verizon.

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What, if anything, can you conclude happens? Why?

Open Ended

Scenario 3

1) If Ellis signs a contract with Verizon, then he gets an iPhone 11 for free.

2) Ellis gets a free iPhone 11.

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What, if anything, can you conclude? Why?

Open Ended

For which scenario were you able to reach a definite conclusion?

What about the second statement made a conclusion possible?

What about the second statement made a conclusion impossible?