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Step * of Lemma face-term-iff_wf

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∀[Gamma:j⊢]. ∀[phi,psi:{Gamma ⊢ _:𝔽}].  (Gamma ⊢ (phi ⇐⇒ psi) ∈ ℙ{[i | j']})
BY
{ ProveWfLemma }

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Latex:

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Latex:
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\mforall{}[Gamma:j\mvdash{}].  \mforall{}[phi,psi:\{Gamma  \mvdash{}  \_:\mBbbF{}\}].    (Gamma  \mvdash{}  (phi  \mLeftarrow{}{}\mRightarrow{}  psi)  \mmember{}  \mBbbP{}\{[i  |  j']\})


By

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Latex:
ProveWfLemma

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