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Step * of Lemma qeq_wf2

∀[r,s:ℚ].  (qeq(r;s) ∈ 𝔹)
BY
{ (InstLemma `qeq-wf` [] THEN Trivial) }

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Latex:

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Latex:
\mforall{}[r,s:\mBbbQ{}].    (qeq(r;s)  \mmember{}  \mBbbB{})


By

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Latex:
(InstLemma  `qeq-wf`  []  THEN  Trivial)

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