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And and or

An and-claim is true only when both parts are; an or-claim when at least one is. "Or" usually allows both, and the opposite of "cold and windy" is "not cold or not windy".

Depth 1 · Foundation

You can say when and-claims and or-claims are true, tell a both-allowed or from an only-one or, and write the opposite of each.

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Depths of understanding

  1. 1

    Foundation

    You can say when and-claims and or-claims are true, tell a both-allowed or from an only-one or, and write the opposite of each.

    Opens after

    NegationThe opposite of an and-claim is an or-claim of opposites, and the other way round.

Your path here

What's still between you and And and or, depth 1, in the order you can learn it.

  1. 1ClaimDepth 1 · Foundation · Logic
  2. 2All, some and noneDepth 1 · Foundation · Logic
  3. 3NegationDepth 1 · Foundation · Logic
  4. 4And and orDepth 1 · Foundation · Logic

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