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Step * of Lemma RankEx2_LeafT_wf

∀[S,T:Type]. ∀[leaft:T].  (RankEx2_LeafT(leaft) ∈ RankEx2(S;T))
BY
{ DepprodCoDatatypeConstructorWf `RankEx2_size` }

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Latex:

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Latex:
\mforall{}[S,T:Type].  \mforall{}[leaft:T].    (RankEx2\_LeafT(leaft)  \mmember{}  RankEx2(S;T))


By

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Latex:
DepprodCoDatatypeConstructorWf  `RankEx2\_size`

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