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lemma proved wrapper

pow

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formal statement (Lean)

  96lemma pow (hx : PhiClosed φ x) (n : ℕ) : PhiClosed φ (x ^ n) := by

proof body

One-line wrapper that applies simpa.

  97  simpa using (phiSubfield φ).pow_mem hx n
  98

used by (25)

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depends on (2)

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