Step
*
1
3
1
1
of Lemma
face-map-comp2
.....subterm..... T:t
2:n
1. A : Cname List
2. B : Cname List
3. g : name-morph(A;B)
4. x : nameset(A)
5. y : nameset(A)
6. i : ℕ2
7. j : ℕ2
8. ↑isname(g x)
9. ↑isname(g y)
10. ¬(x = y ∈ Cname)
11. g y ∈ nameset(B)
12. g x ∈ nameset(B)
⊢ (g y:=j) ∈ name-morph(B-[g x];B-[g x; g y])
BY
{ (FaceMapDiff2 THEN Auto) }
Latex:
Latex:
.....subterm..... T:t
2:n
1. A : Cname List
2. B : Cname List
3. g : name-morph(A;B)
4. x : nameset(A)
5. y : nameset(A)
6. i : \mBbbN{}2
7. j : \mBbbN{}2
8. \muparrow{}isname(g x)
9. \muparrow{}isname(g y)
10. \mneg{}(x = y)
11. g y \mmember{} nameset(B)
12. g x \mmember{} nameset(B)
\mvdash{} (g y:=j) \mmember{} name-morph(B-[g x];B-[g x; g y])
By
Latex:
(FaceMapDiff2 THEN Auto)
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