Step | Hyp | Ref
| Expression |
1 | | ctus 24080 |
. 2
class
toUnifSp |
2 | | vu |
. . 3
setvar 𝑢 |
3 | | cust 24024 |
. . . . 5
class
UnifOn |
4 | 3 | crn 5677 |
. . . 4
class ran
UnifOn |
5 | 4 | cuni 4908 |
. . 3
class ∪ ran UnifOn |
6 | | cnx 17133 |
. . . . . . 7
class
ndx |
7 | | cbs 17151 |
. . . . . . 7
class
Base |
8 | 6, 7 | cfv 6543 |
. . . . . 6
class
(Base‘ndx) |
9 | 2 | cv 1539 |
. . . . . . . 8
class 𝑢 |
10 | 9 | cuni 4908 |
. . . . . . 7
class ∪ 𝑢 |
11 | 10 | cdm 5676 |
. . . . . 6
class dom ∪ 𝑢 |
12 | 8, 11 | cop 4634 |
. . . . 5
class
⟨(Base‘ndx), dom ∪ 𝑢⟩ |
13 | | cunif 17214 |
. . . . . . 7
class
UnifSet |
14 | 6, 13 | cfv 6543 |
. . . . . 6
class
(UnifSet‘ndx) |
15 | 14, 9 | cop 4634 |
. . . . 5
class
⟨(UnifSet‘ndx), 𝑢⟩ |
16 | 12, 15 | cpr 4630 |
. . . 4
class
{⟨(Base‘ndx), dom ∪ 𝑢⟩,
⟨(UnifSet‘ndx), 𝑢⟩} |
17 | | cts 17210 |
. . . . . 6
class
TopSet |
18 | 6, 17 | cfv 6543 |
. . . . 5
class
(TopSet‘ndx) |
19 | | cutop 24055 |
. . . . . 6
class
unifTop |
20 | 9, 19 | cfv 6543 |
. . . . 5
class
(unifTop‘𝑢) |
21 | 18, 20 | cop 4634 |
. . . 4
class
⟨(TopSet‘ndx), (unifTop‘𝑢)⟩ |
22 | | csts 17103 |
. . . 4
class
sSet |
23 | 16, 21, 22 | co 7412 |
. . 3
class
({⟨(Base‘ndx), dom ∪ 𝑢⟩,
⟨(UnifSet‘ndx), 𝑢⟩} sSet ⟨(TopSet‘ndx),
(unifTop‘𝑢)⟩) |
24 | 2, 5, 23 | cmpt 5231 |
. 2
class (𝑢 ∈ ∪ ran UnifOn ↦ ({⟨(Base‘ndx), dom ∪ 𝑢⟩, ⟨(UnifSet‘ndx), 𝑢⟩} sSet
⟨(TopSet‘ndx), (unifTop‘𝑢)⟩)) |
25 | 1, 24 | wceq 1540 |
1
wff toUnifSp =
(𝑢 ∈ ∪ ran UnifOn ↦ ({⟨(Base‘ndx), dom ∪ 𝑢⟩, ⟨(UnifSet‘ndx), 𝑢⟩} sSet
⟨(TopSet‘ndx), (unifTop‘𝑢)⟩)) |