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CH.existsWeaklyFirstCountableCompactNotFirstCountable
Specification
Under CH, such a space exists as constructed in [Ya1976] by Yakovlev.
Lean 4 Statement
theorem CH.existsWeaklyFirstCountableCompactNotFirstCountable [Fact (ℵ₁ = 𝔠)] :
ExistsWeaklyFirstCountableCompactNotFirstCountable
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