Step | Hyp | Ref
| Expression |
1 | | nlmngp 23841 |
. . . 4
⊢ (𝑊 ∈ NrmMod → 𝑊 ∈ NrmGrp) |
2 | | nlmlmod 23842 |
. . . . 5
⊢ (𝑊 ∈ NrmMod → 𝑊 ∈ LMod) |
3 | | lssnlm.s |
. . . . . 6
⊢ 𝑆 = (LSubSp‘𝑊) |
4 | 3 | lsssubg 20219 |
. . . . 5
⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆) → 𝑈 ∈ (SubGrp‘𝑊)) |
5 | 2, 4 | sylan 580 |
. . . 4
⊢ ((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) → 𝑈 ∈ (SubGrp‘𝑊)) |
6 | | lssnlm.x |
. . . . 5
⊢ 𝑋 = (𝑊 ↾s 𝑈) |
7 | 6 | subgngp 23791 |
. . . 4
⊢ ((𝑊 ∈ NrmGrp ∧ 𝑈 ∈ (SubGrp‘𝑊)) → 𝑋 ∈ NrmGrp) |
8 | 1, 5, 7 | syl2an2r 682 |
. . 3
⊢ ((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) → 𝑋 ∈ NrmGrp) |
9 | 6, 3 | lsslmod 20222 |
. . . 4
⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆) → 𝑋 ∈ LMod) |
10 | 2, 9 | sylan 580 |
. . 3
⊢ ((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) → 𝑋 ∈ LMod) |
11 | | eqid 2738 |
. . . . . 6
⊢
(Scalar‘𝑊) =
(Scalar‘𝑊) |
12 | 6, 11 | resssca 17053 |
. . . . 5
⊢ (𝑈 ∈ 𝑆 → (Scalar‘𝑊) = (Scalar‘𝑋)) |
13 | 12 | adantl 482 |
. . . 4
⊢ ((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) → (Scalar‘𝑊) = (Scalar‘𝑋)) |
14 | 11 | nlmnrg 23843 |
. . . . 5
⊢ (𝑊 ∈ NrmMod →
(Scalar‘𝑊) ∈
NrmRing) |
15 | 14 | adantr 481 |
. . . 4
⊢ ((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) → (Scalar‘𝑊) ∈ NrmRing) |
16 | 13, 15 | eqeltrrd 2840 |
. . 3
⊢ ((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) → (Scalar‘𝑋) ∈ NrmRing) |
17 | 8, 10, 16 | 3jca 1127 |
. 2
⊢ ((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) → (𝑋 ∈ NrmGrp ∧ 𝑋 ∈ LMod ∧ (Scalar‘𝑋) ∈
NrmRing)) |
18 | | simpll 764 |
. . . . 5
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → 𝑊 ∈ NrmMod) |
19 | | simprl 768 |
. . . . . 6
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → 𝑥 ∈ (Base‘(Scalar‘𝑋))) |
20 | 13 | adantr 481 |
. . . . . . 7
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → (Scalar‘𝑊) = (Scalar‘𝑋)) |
21 | 20 | fveq2d 6778 |
. . . . . 6
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → (Base‘(Scalar‘𝑊)) =
(Base‘(Scalar‘𝑋))) |
22 | 19, 21 | eleqtrrd 2842 |
. . . . 5
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → 𝑥 ∈ (Base‘(Scalar‘𝑊))) |
23 | 5 | adantr 481 |
. . . . . . 7
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → 𝑈 ∈ (SubGrp‘𝑊)) |
24 | | eqid 2738 |
. . . . . . . 8
⊢
(Base‘𝑊) =
(Base‘𝑊) |
25 | 24 | subgss 18756 |
. . . . . . 7
⊢ (𝑈 ∈ (SubGrp‘𝑊) → 𝑈 ⊆ (Base‘𝑊)) |
26 | 23, 25 | syl 17 |
. . . . . 6
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → 𝑈 ⊆ (Base‘𝑊)) |
27 | | simprr 770 |
. . . . . . 7
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → 𝑦 ∈ (Base‘𝑋)) |
28 | 6 | subgbas 18759 |
. . . . . . . 8
⊢ (𝑈 ∈ (SubGrp‘𝑊) → 𝑈 = (Base‘𝑋)) |
29 | 23, 28 | syl 17 |
. . . . . . 7
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → 𝑈 = (Base‘𝑋)) |
30 | 27, 29 | eleqtrrd 2842 |
. . . . . 6
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → 𝑦 ∈ 𝑈) |
31 | 26, 30 | sseldd 3922 |
. . . . 5
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → 𝑦 ∈ (Base‘𝑊)) |
32 | | eqid 2738 |
. . . . . 6
⊢
(norm‘𝑊) =
(norm‘𝑊) |
33 | | eqid 2738 |
. . . . . 6
⊢ (
·𝑠 ‘𝑊) = ( ·𝑠
‘𝑊) |
34 | | eqid 2738 |
. . . . . 6
⊢
(Base‘(Scalar‘𝑊)) = (Base‘(Scalar‘𝑊)) |
35 | | eqid 2738 |
. . . . . 6
⊢
(norm‘(Scalar‘𝑊)) = (norm‘(Scalar‘𝑊)) |
36 | 24, 32, 33, 11, 34, 35 | nmvs 23840 |
. . . . 5
⊢ ((𝑊 ∈ NrmMod ∧ 𝑥 ∈
(Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ (Base‘𝑊)) → ((norm‘𝑊)‘(𝑥( ·𝑠
‘𝑊)𝑦)) = (((norm‘(Scalar‘𝑊))‘𝑥) · ((norm‘𝑊)‘𝑦))) |
37 | 18, 22, 31, 36 | syl3anc 1370 |
. . . 4
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → ((norm‘𝑊)‘(𝑥( ·𝑠
‘𝑊)𝑦)) = (((norm‘(Scalar‘𝑊))‘𝑥) · ((norm‘𝑊)‘𝑦))) |
38 | | simplr 766 |
. . . . . . . 8
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → 𝑈 ∈ 𝑆) |
39 | 6, 33 | ressvsca 17054 |
. . . . . . . 8
⊢ (𝑈 ∈ 𝑆 → (
·𝑠 ‘𝑊) = ( ·𝑠
‘𝑋)) |
40 | 38, 39 | syl 17 |
. . . . . . 7
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → (
·𝑠 ‘𝑊) = ( ·𝑠
‘𝑋)) |
41 | 40 | oveqd 7292 |
. . . . . 6
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → (𝑥( ·𝑠
‘𝑊)𝑦) = (𝑥( ·𝑠
‘𝑋)𝑦)) |
42 | 41 | fveq2d 6778 |
. . . . 5
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → ((norm‘𝑋)‘(𝑥( ·𝑠
‘𝑊)𝑦)) = ((norm‘𝑋)‘(𝑥( ·𝑠
‘𝑋)𝑦))) |
43 | 2 | ad2antrr 723 |
. . . . . . 7
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → 𝑊 ∈ LMod) |
44 | 11, 33, 34, 3 | lssvscl 20217 |
. . . . . . 7
⊢ (((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ 𝑈)) → (𝑥( ·𝑠
‘𝑊)𝑦) ∈ 𝑈) |
45 | 43, 38, 22, 30, 44 | syl22anc 836 |
. . . . . 6
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → (𝑥( ·𝑠
‘𝑊)𝑦) ∈ 𝑈) |
46 | | eqid 2738 |
. . . . . . 7
⊢
(norm‘𝑋) =
(norm‘𝑋) |
47 | 6, 32, 46 | subgnm2 23790 |
. . . . . 6
⊢ ((𝑈 ∈ (SubGrp‘𝑊) ∧ (𝑥( ·𝑠
‘𝑊)𝑦) ∈ 𝑈) → ((norm‘𝑋)‘(𝑥( ·𝑠
‘𝑊)𝑦)) = ((norm‘𝑊)‘(𝑥( ·𝑠
‘𝑊)𝑦))) |
48 | 5, 45, 47 | syl2an2r 682 |
. . . . 5
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → ((norm‘𝑋)‘(𝑥( ·𝑠
‘𝑊)𝑦)) = ((norm‘𝑊)‘(𝑥( ·𝑠
‘𝑊)𝑦))) |
49 | 42, 48 | eqtr3d 2780 |
. . . 4
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → ((norm‘𝑋)‘(𝑥( ·𝑠
‘𝑋)𝑦)) = ((norm‘𝑊)‘(𝑥( ·𝑠
‘𝑊)𝑦))) |
50 | 20 | eqcomd 2744 |
. . . . . . 7
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → (Scalar‘𝑋) = (Scalar‘𝑊)) |
51 | 50 | fveq2d 6778 |
. . . . . 6
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → (norm‘(Scalar‘𝑋)) =
(norm‘(Scalar‘𝑊))) |
52 | 51 | fveq1d 6776 |
. . . . 5
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → ((norm‘(Scalar‘𝑋))‘𝑥) = ((norm‘(Scalar‘𝑊))‘𝑥)) |
53 | 6, 32, 46 | subgnm2 23790 |
. . . . . 6
⊢ ((𝑈 ∈ (SubGrp‘𝑊) ∧ 𝑦 ∈ 𝑈) → ((norm‘𝑋)‘𝑦) = ((norm‘𝑊)‘𝑦)) |
54 | 5, 30, 53 | syl2an2r 682 |
. . . . 5
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → ((norm‘𝑋)‘𝑦) = ((norm‘𝑊)‘𝑦)) |
55 | 52, 54 | oveq12d 7293 |
. . . 4
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → (((norm‘(Scalar‘𝑋))‘𝑥) · ((norm‘𝑋)‘𝑦)) = (((norm‘(Scalar‘𝑊))‘𝑥) · ((norm‘𝑊)‘𝑦))) |
56 | 37, 49, 55 | 3eqtr4d 2788 |
. . 3
⊢ (((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ (Base‘(Scalar‘𝑋)) ∧ 𝑦 ∈ (Base‘𝑋))) → ((norm‘𝑋)‘(𝑥( ·𝑠
‘𝑋)𝑦)) = (((norm‘(Scalar‘𝑋))‘𝑥) · ((norm‘𝑋)‘𝑦))) |
57 | 56 | ralrimivva 3123 |
. 2
⊢ ((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) → ∀𝑥 ∈ (Base‘(Scalar‘𝑋))∀𝑦 ∈ (Base‘𝑋)((norm‘𝑋)‘(𝑥( ·𝑠
‘𝑋)𝑦)) = (((norm‘(Scalar‘𝑋))‘𝑥) · ((norm‘𝑋)‘𝑦))) |
58 | | eqid 2738 |
. . 3
⊢
(Base‘𝑋) =
(Base‘𝑋) |
59 | | eqid 2738 |
. . 3
⊢ (
·𝑠 ‘𝑋) = ( ·𝑠
‘𝑋) |
60 | | eqid 2738 |
. . 3
⊢
(Scalar‘𝑋) =
(Scalar‘𝑋) |
61 | | eqid 2738 |
. . 3
⊢
(Base‘(Scalar‘𝑋)) = (Base‘(Scalar‘𝑋)) |
62 | | eqid 2738 |
. . 3
⊢
(norm‘(Scalar‘𝑋)) = (norm‘(Scalar‘𝑋)) |
63 | 58, 46, 59, 60, 61, 62 | isnlm 23839 |
. 2
⊢ (𝑋 ∈ NrmMod ↔ ((𝑋 ∈ NrmGrp ∧ 𝑋 ∈ LMod ∧
(Scalar‘𝑋) ∈
NrmRing) ∧ ∀𝑥
∈ (Base‘(Scalar‘𝑋))∀𝑦 ∈ (Base‘𝑋)((norm‘𝑋)‘(𝑥( ·𝑠
‘𝑋)𝑦)) = (((norm‘(Scalar‘𝑋))‘𝑥) · ((norm‘𝑋)‘𝑦)))) |
64 | 17, 57, 63 | sylanbrc 583 |
1
⊢ ((𝑊 ∈ NrmMod ∧ 𝑈 ∈ 𝑆) → 𝑋 ∈ NrmMod) |