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Step * of Lemma presheaf-type-equal2

No Annotations
∀[C:SmallCategory]. ∀[X:ps_context{j:l}(C)]. ∀[A,B:{X ⊢ _}].
  A = B ∈ {X ⊢ _} 
  supposing A
  = B
  ∈ (A:I:cat-ob(C) ⟶ X(I) ⟶ Type × (I:cat-ob(C)
                                     ⟶ J:cat-ob(C)
                                     ⟶ f:(cat-arrow(C) J I)
                                     ⟶ a:X(I)
                                     ⟶ (A I a)
                                     ⟶ (A J f(a))))
BY
{ (Auto THEN DVar `A' THEN EqTypeCD THEN Auto) }

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Latex:

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Latex:
No  Annotations
\mforall{}[C:SmallCategory].  \mforall{}[X:ps\_context\{j:l\}(C)].  \mforall{}[A,B:\{X  \mvdash{}  \_\}].    A  =  B  supposing  A  =  B


By

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Latex:
(Auto  THEN  DVar  `A'  THEN  EqTypeCD  THEN  Auto)

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