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Geometry for School and Home
Activity 3.8
Assignment 3.9
Assignment 5.9
Law of Detachment
Objectives
Write conclusions for arguments using the Law of Detachment.
Write conditional premises to complete arguments with given conclusions using the Law of Detachment.
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Assignment 5.10
About Geometry Worksheet Assignment 5.9: This assignment can be downloaded for free.
Assignment 5.9 is an introduction to the Law of Detachment.
Prerequisite Skills: Identify valid arguments (Assignment 4.2). Identify the hypothesis and conclusion in conditional sentences (Assignment 5.6).
Definition: The Law of Detachment is a valid argument in which one of the premises is a conditional and the other is a specific case of the hypothesis of the
conditional.
Conditional Premise: If p, then q.
Specific Case Premise: p
Conclusion: q