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Step * of Lemma metric-eq_wf

∀[X:Type]. ∀[d,d':X ⟶ X ⟶ ℝ].  (metric-eq(X;d;d') ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[X:Type].  \mforall{}[d,d':X  {}\mrightarrow{}  X  {}\mrightarrow{}  \mBbbR{}].    (metric-eq(X;d;d')  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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