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theorem proved term proof

zero_apply

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formal statement (Lean)

  67@[simp] theorem zero_apply (i : Fin D) : (0 : F2Power D) i = false := rfl

proof body

Term-mode proof.

  68
  69/-- Pointwise XOR. -/
  70instance : Add (F2Power D) := ⟨fun u v => fun i => xor (u i) (v i)⟩
  71

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