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Step * of Lemma no_repeats-union-list

∀[T:Type]. ∀[eq:EqDecider(T)]. ∀[ll:T List List].  no_repeats(T;l-union-list(eq;ll))
BY
{ (InductionOnList
   THEN Unfold `l-union-list` 0
   THEN Reduce 0
   THEN Try (Fold `l-union-list` 0⋅)
   THEN Try ((BLemma `no_repeats_union` THEN Auto))
   THEN Auto) }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}[eq:EqDecider(T)].  \mforall{}[ll:T  List  List].    no\_repeats(T;l-union-list(eq;ll))


By

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Latex:
(InductionOnList
  THEN  Unfold  `l-union-list`  0
  THEN  Reduce  0
  THEN  Try  (Fold  `l-union-list`  0\mcdot{})
  THEN  Try  ((BLemma  `no\_repeats\_union`  THEN  Auto))
  THEN  Auto)

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