Geom 2point3

2.3 Deductive Reasoning Objectives: - Use symbolic notation to represent logical statements - Form conclusions by applying the laws of logic to true statements

Using Symbolic Notation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Let p be “the value of x is -5” and let q be “the absolute value of x is 5” ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Symbolic Notation for NOT ,[object Object],[object Object],[object Object],[object Object],[object Object]

Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Look at bottom of page 88 ,[object Object],[object Object],[object Object]

Using the Laws of Logic ,[object Object],[object Object]

Inductive or deductive? ,[object Object],[object Object]

Law of Detachment ,[object Object]

Is this argument valid? ,[object Object],[object Object]

Is this argument valid? ,[object Object],[object Object],[object Object],120º 60°

Law of Syllogism ,[object Object]

Write some conditional statements about these true Zoology Facts ,[object Object],[object Object],[object Object],[object Object],[object Object]

Deductive Reasoning ,[object Object],[object Object],[object Object],[object Object]

Lewis Carroll’s puzzle . . . ,[object Object],[object Object],[object Object],[object Object],[object Object]

Do page 91 1 - 7 ,[object Object]

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