Step * of Lemma rset_wf

Set(ℝ) ∈ 𝕌'
BY
(Unfold `rset` THEN Auto) }


Latex:


Latex:
Set(\mBbbR{})  \mmember{}  \mBbbU{}'


By


Latex:
(Unfold  `rset`  0  THEN  Auto)




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