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putnam_1982_b5 (Lean): assert convergence instead of assuming it - #370

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AaronY77:patch-3

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@AaronY77

@AaronY77 AaronY77 commented Oct 13, 2026 •

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Fixes #366.

Parenthesizes the conclusion so the convergence of S x is a conjunct rather than part of the antecedent:

: (∀ x ∈ T, ∃ L : ℝ, Tendsto (S x) atTop (𝓝 L)) ∧
  ((∀ x ∈ T, Tendsto (S x) atTop (𝓝 (g x))) → ContinuousOn g T)

Elaborates on Lean v4.35.0 + current Mathlib.

Precedence made the convergence claim part of the antecedent (trishullab#366).

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putnam_1982_b5 (Lean): operator precedence turns "prove S_x converges" into a hypothesis

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