Step
*
of Lemma
rstar_wf
∀[x:ℝ]. ((x)* ∈ ℝ*)
BY
{ ProveWfLemma }
Latex:
Latex:
\mforall{}[x:\mBbbR{}].  ((x)*  \mmember{}  \mBbbR{}*)
By
Latex:
ProveWfLemma
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