Proof of Theorem va1cnlem
| Step | Hyp | Ref
| Expression |
| 1 | | va1cn.9 |
. . . . . . 7
⊢ U ∈
NrmCVec |
| 2 | | va1cn.1 |
. . . . . . . 8
⊢ X = (Base ‘U) |
| 3 | | va1cn.2 |
. . . . . . . 8
⊢ G = ( +v ‘U) |
| 4 | 2, 3 | nvgcl 8235 |
. . . . . . 7
⊢ ((U ∈ NrmCVec ⋀ w ∈ X ⋀ A ∈ X) →
(wGA) ∈ X) |
| 5 | 1, 4 | mp3an1 905 |
. . . . . 6
⊢ ((w ∈ X ⋀ A ∈ X) → (wGA) ∈ X) |
| 6 | 5 | ancoms 438 |
. . . . 5
⊢ ((A ∈ X ⋀ w ∈ X) → (wGA) ∈ X) |
| 7 | 6 | r19.21aiva 1717 |
. . . 4
⊢ (A ∈ X → ∀w ∈ X (wGA) ∈ X) |
| 8 | | va1cn.f |
. . . . 5
⊢ F = {〈w, v〉∣(w ∈ X ⋀ v = (wGA))} |
| 9 | 8 | fopab2 3829 |
. . . 4
⊢ (∀w ∈ X (wGA) ∈ X ↔ F:X–→X) |
| 10 | 7, 9 | sylib 198 |
. . 3
⊢ (A ∈ X → F:X–→X) |
| 11 | | idd 61 |
. . . . . . . . . 10
⊢ (u ∈ X → ((rDu) < s →
(rDu) <
s)) |
| 12 | 11 | rgen 1701 |
. . . . . . . . 9
⊢ ∀u ∈ X ((rDu) < s →
(rDu) <
s) |
| 13 | | breq2 2628 |
. . . . . . . . . . 11
⊢ (t = s → (0
< t ↔ 0 < s)) |
| 14 | | breq2 2628 |
. . . . . . . . . . . . 13
⊢ (t = s →
((rDu) <
t ↔ (rDu) < s)) |
| 15 | 14 | imbi1d 615 |
. . . . . . . . . . . 12
⊢ (t = s →
(((rDu) <
t → (rDu) < s)
↔ ((rDu) <
s → (rDu) < s))) |
| 16 | 15 | ralbidv 1666 |
. . . . . . . . . . 11
⊢ (t = s →
(∀u
∈ X
((rDu) <
t → (rDu) < s)
↔ ∀u ∈ X ((rDu) <
s → (rDu) < s))) |
| 17 | 13, 16 | anbi12d 630 |
. . . . . . . . . 10
⊢ (t = s → ((0
< t ⋀
∀u
∈ X
((rDu) <
t → (rDu) < s))
↔ (0 < s ⋀ ∀u ∈ X ((rDu) <
s → (rDu) < s)))) |
| 18 | 17 | rcla4ev 1880 |
. . . . . . . . 9
⊢ ((s ∈ ℝ ⋀ (0 <
s ⋀
∀u
∈ X
((rDu) <
s → (rDu) < s)))
→ ∃t ∈ ℝ (0 < t
⋀ ∀u ∈ X ((rDu) < t →
(rDu) <
s))) |
| 19 | 12, 18 | mpanr2 712 |
. . . . . . . 8
⊢ ((s ∈ ℝ ⋀ 0 <
s) → ∃t ∈ ℝ (0 <
t ⋀
∀u
∈ X
((rDu) <
t → (rDu) < s))) |
| 20 | 19 | adantll 394 |
. . . . . . 7
⊢ (((r ∈ X ⋀ s ∈ ℝ) ⋀ 0 <
s) → ∃t ∈ ℝ (0 <
t ⋀
∀u
∈ X
((rDu) <
t → (rDu) < s))) |
| 21 | 20 | adantl 390 |
. . . . . 6
⊢ ((A ∈ X ⋀ ((r ∈ X ⋀ s ∈ ℝ) ⋀ 0 <
s)) → ∃t ∈ ℝ (0 <
t ⋀
∀u
∈ X
((rDu) <
t → (rDu) < s))) |
| 22 | | opreq1 3974 |
. . . . . . . . . . . . . . . . 17
⊢ (w = r →
(wGA) = (rGA)) |
| 23 | | oprex 3989 |
. . . . . . . . . . . . . . . . 17
⊢ (rGA) ∈
V |
| 24 | 22, 8, 23 | fvopab4 3786 |
. . . . . . . . . . . . . . . 16
⊢ (r ∈ X → (F
‘r) = (rGA)) |
| 25 | | opreq1 3974 |
. . . . . . . . . . . . . . . . 17
⊢ (w = u →
(wGA) = (uGA)) |
| 26 | | oprex 3989 |
. . . . . . . . . . . . . . . . 17
⊢ (uGA) ∈
V |
| 27 | 25, 8, 26 | fvopab4 3786 |
. . . . . . . . . . . . . . . 16
⊢ (u ∈ X → (F
‘u) = (uGA)) |
| 28 | 24, 27 | opreqan12d 3985 |
. . . . . . . . . . . . . . 15
⊢ ((r ∈ X ⋀ u ∈ X) → ((F
‘r)D(F
‘u)) = ((rGA)D(uGA))) |
| 29 | 28 | adantll 394 |
. . . . . . . . . . . . . 14
⊢ (((A ∈ X ⋀ r ∈ X) ⋀ u ∈ X) → ((F
‘r)D(F
‘u)) = ((rGA)D(uGA))) |
| 30 | 3 | nvgrp 8232 |
. . . . . . . . . . . . . . . . . . . 20
⊢ (U ∈ NrmCVec →
G ∈
Grp) |
| 31 | 1, 30 | ax-mp 7 |
. . . . . . . . . . . . . . . . . . 19
⊢ G ∈ Grp |
| 32 | 2, 3 | bafval 8219 |
. . . . . . . . . . . . . . . . . . . 20
⊢ X = ran G |
| 33 | | eqid 1478 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (
−v ‘U) = (
−v ‘U) |
| 34 | 3, 33 | vsfval 8250 |
. . . . . . . . . . . . . . . . . . . 20
⊢ (
−v ‘U) = (
/g ‘G) |
| 35 | 32, 34 | grppnpcan2 8088 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((G ∈ Grp ⋀ (r ∈ X ⋀ u ∈ X ⋀ A ∈ X)) →
((rGA)(
−v ‘U)(uGA)) = (r( −v ‘U)u)) |
| 36 | 31, 35 | mpan 697 |
. . . . . . . . . . . . . . . . . 18
⊢ ((r ∈ X ⋀ u ∈ X ⋀ A ∈ X) → ((rGA)( −v ‘U)(uGA)) = (r( −v ‘U)u)) |
| 37 | 36 | fveq2d 3734 |
. . . . . . . . . . . . . . . . 17
⊢ ((r ∈ X ⋀ u ∈ X ⋀ A ∈ X) → (N
‘((rGA)(
−v ‘U)(uGA))) =
(N ‘(r( −v ‘U)u))) |
| 38 | | va1cnlem.6 |
. . . . . . . . . . . . . . . . . . . 20
⊢ N = (norm ‘U) |
| 39 | | va1cn.8 |
. . . . . . . . . . . . . . . . . . . 20
⊢ D = (IndMet ‘U) |
| 40 | 2, 33, 38, 39 | imsdval 8313 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((U ∈ NrmCVec ⋀ (rGA) ∈ X ⋀ (uGA) ∈ X) →
((rGA)D(uGA)) = (N ‘((rGA)( −v ‘U)(uGA)))) |
| 41 | 1, 40 | mp3an1 905 |
. . . . . . . . . . . . . . . . . 18
⊢ (((rGA) ∈ X ⋀ (uGA) ∈ X) → ((rGA)D(uGA)) = (N
‘((rGA)(
−v ‘U)(uGA)))) |
| 42 | 2, 3 | nvgcl 8235 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((U ∈ NrmCVec ⋀ r ∈ X ⋀ A ∈ X) →
(rGA) ∈ X) |
| 43 | 1, 42 | mp3an1 905 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((r ∈ X ⋀ A ∈ X) → (rGA) ∈ X) |
| 44 | 43 | 3adant2 800 |
. . . . . . . . . . . . . . . . . 18
⊢ ((r ∈ X ⋀ u ∈ X ⋀ A ∈ X) → (rGA) ∈ X) |
| 45 | 2, 3 | nvgcl 8235 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((U ∈ NrmCVec ⋀ u ∈ X ⋀ A ∈ X) →
(uGA) ∈ X) |
| 46 | 1, 45 | mp3an1 905 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((u ∈ X ⋀ A ∈ X) → (uGA) ∈ X) |
| 47 | 46 | 3adant1 799 |
. . . . . . . . . . . . . . . . . 18
⊢ ((r ∈ X ⋀ u ∈ X ⋀ A ∈ X) → (uGA) ∈ X) |
| 48 | 41, 44, 47 | sylanc 473 |
. . . . . . . . . . . . . . . . 17
⊢ ((r ∈ X ⋀ u ∈ X ⋀ A ∈ X) → ((rGA)D(uGA)) = (N
‘((rGA)(
−v ‘U)(uGA)))) |
| 49 | 2, 33, 38, 39 | imsdval 8313 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((U ∈ NrmCVec ⋀ r ∈ X ⋀ u ∈ X) →
(rDu) = (N ‘(r(
−v ‘U)u))) |
| 50 | 1, 49 | mp3an1 905 |
. . . . . . . . . . . . . . . . . 18
⊢ ((r ∈ X ⋀ u ∈ X) → (rDu) = (N
‘(r( −v
‘U)u))) |
| 51 | 50 | 3adant3 801 |
. . . . . . . . . . . . . . . . 17
⊢ ((r ∈ X ⋀ u ∈ X ⋀ A ∈ X) → (rDu) = (N
‘(r( −v
‘U)u))) |
| 52 | 37, 48, 51 | 3eqtr4d 1520 |
. . . . . . . . . . . . . . . 16
⊢ ((r ∈ X ⋀ u ∈ X ⋀ A ∈ X) → ((rGA)D(uGA)) = (rDu)) |
| 53 | 52 | 3comr 843 |
. . . . . . . . . . . . . . 15
⊢ ((A ∈ X ⋀ r ∈ X ⋀ u ∈ X) → ((rGA)D(uGA)) = (rDu)) |
| 54 | 53 | 3expa 835 |
. . . . . . . . . . . . . 14
⊢ (((A ∈ X ⋀ r ∈ X) ⋀ u ∈ X) → ((rGA)D(uGA)) = (rDu)) |
| 55 | 29, 54 | eqtrd 1510 |
. . . . . . . . . . . . 13
⊢ (((A ∈ X ⋀ r ∈ X) ⋀ u ∈ X) → ((F
‘r)D(F
‘u)) = (rDu)) |
| 56 | 55 | breq1d 2634 |
. . . . . . . . . . . 12
⊢ (((A ∈ X ⋀ r ∈ X) ⋀ u ∈ X) → (((F
‘r)D(F
‘u)) < s ↔ (rDu) < s)) |
| 57 | 56 | imbi2d 614 |
. . . . . . . . . . 11
⊢ (((A ∈ X ⋀ r ∈ X) ⋀ u ∈ X) → (((rDu) < t →
((F ‘r)D(F ‘u))
< s) ↔ ((rDu) < t →
(rDu) <
s))) |
| 58 | 57 | ralbidva 1662 |
. . . . . . . . . 10
⊢ ((A ∈ X ⋀ r ∈ X) → (∀u ∈ X ((rDu) < t →
((F ‘r)D(F ‘u))
< s) ↔ ∀u ∈ X ((rDu) < t →
(rDu) <
s))) |
| 59 | 58 | anbi2d 618 |
. . . . . . . . 9
⊢ ((A ∈ X ⋀ r ∈ X) → ((0 < t ⋀ ∀u ∈ X ((rDu) < t →
((F ‘r)D(F ‘u))
< s)) ↔ (0 < t ⋀ ∀u ∈ X ((rDu) < t →
(rDu) <
s)))) |
| 60 | 59 | rexbidv 1667 |
. . . . . . . 8
⊢ ((A ∈ X ⋀ r ∈ X) → (∃t ∈ ℝ (0 <
t ⋀
∀u
∈ X
((rDu) <
t → ((F ‘r)D(F ‘u))
< s)) ↔ ∃t ∈ ℝ (0 <
t ⋀
∀u
∈ X
((rDu) <
t → (rDu) < s)))) |
| 61 | 60 | adantrr 397 |
. . . . . . 7
⊢ ((A ∈ X ⋀ (r ∈ X ⋀ s ∈ ℝ)) → (∃t ∈ ℝ (0 <
t ⋀
∀u
∈ X
((rDu) <
t → ((F ‘r)D(F ‘u))
< s)) ↔ ∃t ∈ ℝ (0 <
t ⋀
∀u
∈ X
((rDu) <
t → (rDu) < s)))) |
| 62 | 61 | adantrr 397 |
. . . . . 6
⊢ ((A ∈ X ⋀ ((r ∈ X ⋀ s ∈ ℝ) ⋀ 0 <
s)) → (∃t ∈ ℝ (0 <
t ⋀
∀u
∈ X
((rDu) <
t → ((F ‘r)D(F ‘u))
< s)) ↔ ∃t ∈ ℝ (0 <
t ⋀
∀u
∈ X
((rDu) <
t → (rDu) < s)))) |
| 63 | 21, 62 | mpbird 196 |
. . . . 5
⊢ ((A ∈ X ⋀ ((r ∈ X ⋀ s ∈ ℝ) ⋀ 0 <
s)) → ∃t ∈ ℝ (0 <
t ⋀
∀u
∈ X
((rDu) <
t → ((F ‘r)D(F ‘u))
< s))) |
| 64 | 63 | exp32 379 |
. . . 4
⊢ (A ∈ X → ((r
∈ X ⋀ s ∈ ℝ) → (0
< s → ∃t ∈ ℝ (0 <
t ⋀
∀u
∈ X
((rDu) <
t → ((F ‘r)D(F ‘u))
< s))))) |
| 65 | 64 | r19.21aivv 1723 |
. . 3
⊢ (A ∈ X → ∀r ∈ X ∀s ∈ ℝ (0 <
s → ∃t ∈ ℝ (0 <
t ⋀
∀u
∈ X
((rDu) <
t → ((F ‘r)D(F ‘u))
< s)))) |
| 66 | 10, 65 | jca 288 |
. 2
⊢ (A ∈ X → (F:X–→X
⋀ ∀r ∈ X ∀s ∈ ℝ (0 <
s → ∃t ∈ ℝ (0 <
t ⋀
∀u
∈ X
((rDu) <
t → ((F ‘r)D(F ‘u))
< s))))) |
| 67 | 39 | imsmet 8320 |
. . . 4
⊢ (U ∈ NrmCVec →
D ∈
Met) |
| 68 | 1, 67 | ax-mp 7 |
. . 3
⊢ D ∈ Met |
| 69 | 2, 39, 1 | imsbai 8318 |
. . . 4
⊢ X = dom dom D |
| 70 | | va1cn.j |
. . . 4
⊢ J = (Open ‘D) |
| 71 | 69, 70, 69, 70 | metcn 7886 |
. . 3
⊢ ((D ∈ Met ⋀ D ∈ Met) → (F ∈ (J Cn J) ↔
(F:X–→X
⋀ ∀r ∈ X ∀s ∈ ℝ (0 <
s → ∃t ∈ ℝ (0 <
t ⋀
∀u
∈ X
((rDu) <
t → ((F ‘r)D(F ‘u))
< s)))))) |
| 72 | 68, 68, 71 | mp2an 699 |
. 2
⊢ (F ∈ (J Cn J) ↔
(F:X–→X
⋀ ∀r ∈ X ∀s ∈ ℝ (0 <
s → ∃t ∈ ℝ (0 <
t ⋀
∀u
∈ X
((rDu) <
t → ((F ‘r)D(F ‘u))
< s))))) |
| 73 | 66, 72 | sylibr 200 |
1
⊢ (A ∈ X → F ∈ (J Cn
J)) |