Deductive Reasoning: Laws of Detachment, Syllogism, and Contrapositive

Math Giraffe
Grade Levels
9th - 11th
Formats Included
  • PDF
4 plus answer keys
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Math Giraffe


This fun four-page worksheet guides students to discover and practice the Laws of Deductive Reasoning. It introduces the Law of Detachment, Law of Syllogism, and Law of Contrapositive through statements about fictional wimborts, zeppies, and gloots. Students are introduced to symbolic logic and practice applying the symbols to the laws. Check out the preview for a look at the pages.

Each page is included in two forms - one in full color and one in printer-friendly black and white.

*15 pages total including cover pages, answer keys, etc.

*** This activity is also included in a larger DISCOUNTED bundle:
Logic and Deductive Reasoning Activity Bundle

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Proofs: Full Unit
Total Pages
4 plus answer keys
Answer Key
Teaching Duration
45 minutes
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