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Step * of Lemma rec-combined-class-opt-3-classrel

∀[B,F,init,X,Y,Z,es,e,v:Top].
  (v ∈ rec-combined-class-opt-3(F;init;X;Y;Z)(e) 
  ~ v ∈ simple-comb-4(F;X;Y;Z;Prior(rec-combined-class-opt-3(F;init;X;Y;Z))?init)(e))
BY
{ ((UnivCD THENA Auto)
   THEN RepUR ``classrel rec-combined-class-opt-3 simple-comb-4 simple-comb`` 0
   THEN RW (AddrC [1] (RecUnfoldC `rec-comb`)) 0
   THEN Reduce 0
   THEN Auto) }

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Latex:

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Latex:
\mforall{}[B,F,init,X,Y,Z,es,e,v:Top].
    (v  \mmember{}  rec-combined-class-opt-3(F;init;X;Y;Z)(e) 
    \msim{}  v  \mmember{}  simple-comb-4(F;X;Y;Z;Prior(rec-combined-class-opt-3(F;init;X;Y;Z))?init)(e))


By

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Latex:
((UnivCD  THENA  Auto)
  THEN  RepUR  ``classrel  rec-combined-class-opt-3  simple-comb-4  simple-comb``  0
  THEN  RW  (AddrC  [1]  (RecUnfoldC  `rec-comb`))  0
  THEN  Reduce  0
  THEN  Auto)

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