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Logic  /  Logic 205  ·  Atom · ~20 seconds

Commutativity

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State

p ∨ q :: q ∨ p, and p · q :: q · p.

Show

Order doesn't matter for ∨ and ·.

Watch for

It matters enormously for ⊃. No commuting conditionals — that's video 150 wearing a rule's clothing.