CK-12 Geometry-Concepts

http://www.ck12.org Chapter 2. Reasoning and Proof

2.6 Truth Tables

Here you’ll learn how to use a truth table to analyze logic.

What if you needed to analyze a complex logical argument? How could you do this is an organized way, making
sure to account for everything? After completing this Concept, you’ll be able to use truth tables as a way to organize
and analyze logic.

Watch This

MEDIA

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URL: http://www.ck12.org/flx/render/embeddedobject/52478

CK-12 Foundation: Chapter2TruthTablesA

MEDIA

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URL: http://www.ck12.org/flx/render/embeddedobject/10297

James Sousa: Truth Tables

Guidance

So far we know these symbols for logic:

• ∼not (negation)


• →if-then


• ∴therefore

Two more symbols are:

• ∧and


• ∨or