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theorem proved term proof

step_sum_eq

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formal statement (Lean)

  50theorem step_sum_eq : step_sum = 38 := by native_decide

proof body

Term-mode proof.

  51
  52/-- The partition sum for three overlapping consecutive pairs from (a,b,c,d)
  53    is a + 2b + 2c + d. -/

depends on (7)

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