Step
*
1
of Lemma
cubical-type-ap-morph-comp-eq-general
.....subterm..... T:t
1:n
1. X : CubicalSet{j}
2. A : {X ⊢j _}
3. I : fset(ℕ)
4. J : fset(ℕ)
5. K : fset(ℕ)
6. f : J ⟶ I
7. g : K ⟶ J
8. a : X(I)
9. b : X(J)
10. u : A(a)
11. b = f(a) ∈ X(J)
12. b = f(a) ∈ {z:X(J)| (z = b ∈ X(J)) ∧ (z = f(a) ∈ X(J))}
13. z : X(J)
14. (z = b ∈ X(J)) ∧ (z = f(a) ∈ X(J))
⊢ A(f ⋅ g(a)) ∈ 𝕌{j}
BY
{ Auto }
Latex:
Latex:
.....subterm..... T:t
1:n
1. X : CubicalSet\{j\}
2. A : \{X \mvdash{}j \_\}
3. I : fset(\mBbbN{})
4. J : fset(\mBbbN{})
5. K : fset(\mBbbN{})
6. f : J {}\mrightarrow{} I
7. g : K {}\mrightarrow{} J
8. a : X(I)
9. b : X(J)
10. u : A(a)
11. b = f(a)
12. b = f(a)
13. z : X(J)
14. (z = b) \mwedge{} (z = f(a))
\mvdash{} A(f \mcdot{} g(a)) \mmember{} \mBbbU{}\{j\}
By
Latex:
Auto
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