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theorem proved term proof

finite_phase_completeness

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formal statement (Lean)

  26theorem finite_phase_completeness (L : ReciprocalIntegerLedger) :
  27    ∃ c : ℕ, 0 < c ∧ Nonempty (ZMod c) := by

proof body

Term-mode proof.

  28  exact ⟨L.carrier, L.carrier_pos, ⟨0⟩⟩
  29
  30/-- A non-identity positive integer is separated from the identity in a finite
  31cyclic quotient.  We use the quotient `Z/(carrier+1)Z`: the carrier has phase
  32`-1`, not `1`. -/

depends on (23)

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