Step
*
1
1
1
of Lemma
presheaf-elements_wf
1. C : SmallCategory
2. P : Functor(op-cat(C);TypeCat)
3. A : cat-ob(op-cat(C))
4. A1 : P A
⊢ cat-id(op-cat(C)) A ∈ {f:cat-arrow(op-cat(C)) A A| (P A A f A1) = A1 ∈ (P A)}
BY
{ (At ⌜Type⌝ MemTypeCD⋅ THEN Auto) }
1
.....set predicate.....
1. C : SmallCategory
2. P : Functor(op-cat(C);TypeCat)
3. A : cat-ob(op-cat(C))
4. A1 : P A
⊢ (P A A (cat-id(op-cat(C)) A) A1) = A1 ∈ (P A)
Latex:
Latex:
1. C : SmallCategory
2. P : Functor(op-cat(C);TypeCat)
3. A : cat-ob(op-cat(C))
4. A1 : P A
\mvdash{} cat-id(op-cat(C)) A \mmember{} \{f:cat-arrow(op-cat(C)) A A| (P A A f A1) = A1\}
By
Latex:
(At \mkleeneopen{}Type\mkleeneclose{} MemTypeCD\mcdot{} THEN Auto)
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