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Step * of Lemma isvarterm_wf

No Annotations
∀[opr:Type]. ∀[t:term(opr)].  (isvarterm(t) ∈ 𝔹)
BY
{ ((InstLemma `term-ext` [] THEN ParallelLast)
   THEN Intro
   THEN Unhide
   THEN (GenConcl ⌜t = x ∈ coterm-fun(opr;term(opr))⌝⋅ THENA Auto)
   THEN (D -2 THEN RepUR ``isvarterm`` 0)
   THEN Auto) }

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Latex:

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Latex:
No  Annotations
\mforall{}[opr:Type].  \mforall{}[t:term(opr)].    (isvarterm(t)  \mmember{}  \mBbbB{})


By

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Latex:
((InstLemma  `term-ext`  []  THEN  ParallelLast)
  THEN  Intro
  THEN  Unhide
  THEN  (GenConcl  \mkleeneopen{}t  =  x\mkleeneclose{}\mcdot{}  THENA  Auto)
  THEN  (D  -2  THEN  RepUR  ``isvarterm``  0)
  THEN  Auto)

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