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Step * of Lemma closed-rset_wf

∀[A:ℝ ⟶ ℙ]. (closed-rset(A) ∈ ℙ)
BY
{ (Unfold `closed-rset` 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[A:\mBbbR{}  {}\mrightarrow{}  \mBbbP{}].  (closed-rset(A)  \mmember{}  \mBbbP{})


By

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Latex:
(Unfold  `closed-rset`  0  THEN  Auto)

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