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commutative law

The order of the two sides of an "and" or an "or" doesn't matter.

The commutative laws state that A ∧ B ≡ B ∧ A and A ∨ B ≡ B ∨ A. They do not hold for the conditional: A → B is not equivalent to B → A.

Examples

  • "Cold and windy" says the same as "windy and cold."

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