Knaph

All, some and none

Quantity words say how much of a group a claim is about. In logic "some" means at least one, the opposite of "all are" is "some are not", and an "all" claim can't be turned around.

Depth 1 · Foundation

You know what "some" means in logic, can state the opposite of an "all" claim, and can draw an "all" claim as one circle inside another and see why it doesn't turn around.

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Depths of understanding

  1. 1

    Foundation

    You know what "some" means in logic, can state the opposite of an "all" claim, and can draw an "all" claim as one circle inside another and see why it doesn't turn around.

Your path here

What's still between you and All, some and none, depth 1, in the order you can learn it.

  1. 1ClaimDepth 1 · Foundation · Logic
  2. 2All, some and noneDepth 1 · Foundation · Logic