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Lesson 4 of 16 · about 14 min

Logical equivalence

Two formulas are equivalent when they agree in every row of the truth table. You'll learn De Morgan's laws, the rules that let you push a "not" inside parentheses, and use them to simplify tangled conditions in code.

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In this lesson you'll learn:

  • Logically equivalent (≡)
  • De Morgan's laws
  • Distributive laws

Free to try in F05 Logic & Proofs:

The first 3 lessons of every course are free, no account needed.