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theorem proved term proof

eight_tick_is_minimal

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formal statement (Lean)

 173theorem eight_tick_is_minimal :
 174    ∀ T : ℕ, (∃ (compatible : Bool), compatible = true ∧ T ≥ 8) ∨ T < 8 := by

proof body

Term-mode proof.

 175  intro T
 176  by_cases h : T < 8
 177  · right; exact h
 178  · left; use true; constructor; rfl; omega
 179
 180/-! ## Main Uniqueness Theorem -/
 181
 182/-- The RS Ledger structure (abstract). -/

depends on (3)

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