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Quantifier Patterns

• forall x: A_x => B

  forall A_x: B

• exists x: A_x /\  B

  exists A_x: B.

Example:

• forall x: exists 0 <= y <= x: | x - 2*y | <= 1
• forall x: (exists y: (0 <= y) /\  (y <= x) /\  (| x - 2*y | <= 1))

Bound variable has to be deduced from the context.