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Step * of Lemma one-one_wf

∀[A,B:Type]. ∀[R:A ⟶ B ⟶ ℙ].  (one-one(A;B;R) ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[A,B:Type].  \mforall{}[R:A  {}\mrightarrow{}  B  {}\mrightarrow{}  \mBbbP{}].    (one-one(A;B;R)  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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