Law of Detachment and Syllogism

Front

What is the Law of Detachment?

Back

The Law of Detachment states that if a conditional statement is true and its hypothesis is true, then the conclusion must also be true.

Front

What is the Law of Syllogism?

Back

The Law of Syllogism states that if 'p implies q' and 'q implies r' are both true, then 'p implies r' is also true.

Front

Define a conditional statement.

Back

A conditional statement is an if-then statement that expresses a relationship between two propositions.

Tags

CCSS.L.2.1F

CCSS.L.8.1C

CCSS.L.8.3A

Front

What is the hypothesis in a conditional statement?

Back

The hypothesis is the part of the conditional statement that follows 'if'.

Front

What is the conclusion in a conditional statement?

Back

The conclusion is the part of the conditional statement that follows 'then'.

Tags

CCSS.L.2.1F

CCSS.L.8.1C

CCSS.L.8.3A

Front

Example of a conditional statement: If it is sunny, then we will go to the park. Identify the hypothesis and conclusion.

Back

Hypothesis: It is sunny; Conclusion: We will go to the park.

Tags

CCSS.L.2.1F

CCSS.L.8.1C

CCSS.L.8.3A

Front

What does it mean if a conclusion cannot be drawn from a set of premises?

Back

It means that the information provided does not logically lead to a definitive outcome.

Tags

CCSS.RI.8.1

CCSS.RI.8.8

CCSS.RL.11-12.1

CCSS.RL.8.1

CCSS.RL.9-10.1

Front

In the context of the Law of Detachment, what can be concluded if the hypothesis is false?

Back

If the hypothesis is false, no conclusion can be drawn about the truth of the conclusion.

Front

Provide an example of the Law of Syllogism in action.

Back

If 'If it rains, then the ground is wet' and 'If the ground is wet, then the grass is wet', then 'If it rains, then the grass is wet'.

Front

What is a valid conclusion?

Back

A valid conclusion is a conclusion that logically follows from the premises provided.

Tags

CCSS.RI.8.1

CCSS.RI.8.8

CCSS.RL.11-12.1

CCSS.RL.8.1

CCSS.RL.9-10.1