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Step * of Lemma trivial-per-class

∀[T:Type]. ∀[a:T ⋂ Base].  (a ∈ per-class(T;a))
BY
{ (Auto THEN MemTypeCD THEN Try (BLemma `equal-wf-base-T`) THEN Auto) }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}[a:T  \mcap{}  Base].    (a  \mmember{}  per-class(T;a))


By

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Latex:
(Auto  THEN  MemTypeCD  THEN  Try  (BLemma  `equal-wf-base-T`)  THEN  Auto)

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