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Step * of Lemma sigma-elim-rule

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∀[X:j⊢]. ∀[A:{X ⊢ _}]. ∀[B:{X.A ⊢ _}]. ∀[T:{X.Σ A B ⊢ _}]. ∀[t:{X.A.B ⊢ _:(T)SigmaUnElim}].
  ((t)SigmaElim ∈ {X.Σ A B ⊢ _:T})
BY
{ PresheafMLTTInstance Obid: ps-sigma-elim-rule⋅ }

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Latex:

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Latex:
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\mforall{}[X:j\mvdash{}].  \mforall{}[A:\{X  \mvdash{}  \_\}].  \mforall{}[B:\{X.A  \mvdash{}  \_\}].  \mforall{}[T:\{X.\mSigma{}  A  B  \mvdash{}  \_\}].  \mforall{}[t:\{X.A.B  \mvdash{}  \_:(T)SigmaUnElim\}].
    ((t)SigmaElim  \mmember{}  \{X.\mSigma{}  A  B  \mvdash{}  \_:T\})


By

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Latex:
PresheafMLTTInstance  Obid:  ps-sigma-elim-rule\mcdot{}

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