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feat(L18Pset): drop unnecessary hypotheses #108

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2 changes: 1 addition & 1 deletion Game/Levels/L18Pset/L06.lean
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Expand Up @@ -15,7 +15,7 @@ DisabledTheorem MonotoneSeriesEven

/-- Prove `MonotoneSeriesEven`
-/
Statement {a : ℕ → ℝ} (ha : Antitone a) (apos : ∀ n, 0 ≤ a n) :
Statement {a : ℕ → ℝ} (ha : Antitone a) :
Monotone (fun n ↦ ∑ k ∈ range (2 * n), (-1)^k * a k) := by
apply Monotone_of_succ
intro n
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2 changes: 1 addition & 1 deletion Game/Levels/L18Pset/L07.lean
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Expand Up @@ -17,7 +17,7 @@ DisabledTheorem AntitoneSeriesOdd

/-- Prove `AntitoneSeriesOdd`
-/
Statement {a : ℕ → ℝ} (ha : Antitone a) (apos : ∀ n, 0 ≤ a n) : Antitone (fun n ↦ ∑ k ∈ range (2 * n + 1), (-1)^k * a k) := by
Statement {a : ℕ → ℝ} (ha : Antitone a) : Antitone (fun n ↦ ∑ k ∈ range (2 * n + 1), (-1)^k * a k) := by
apply Antitone_of_succ
intro n
induction' n with n hn
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