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Step * of Lemma sum_of_torder_wf

∀[T:Type]. ∀[R:T ⟶ T ⟶ ℙ].  (sum_of_torder(T;R) ∈ ℙ)
BY
{ (Unfold `sum_of_torder` 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}[R:T  {}\mrightarrow{}  T  {}\mrightarrow{}  \mBbbP{}].    (sum\_of\_torder(T;R)  \mmember{}  \mBbbP{})


By

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Latex:
(Unfold  `sum\_of\_torder`  0  THEN  Auto)

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