Metamath Proof Explorer


Theorem hgmapval1

Description: Value of the scalar sigma map at one. (Contributed by NM, 12-Jun-2015)

Ref Expression
Hypotheses hgmapval1.h ⊢ H = LHyp ⁡ K
hgmapval1.u ⊢ U = DVecH ⁡ K ⁡ W
hgmapval1.r ⊢ R = Scalar ⁡ U
hgmapval1.i ⊢ 1 ˙ = 1 R
hgmapval1.g ⊢ G = HGMap ⁡ K ⁡ W
hgmapval1.k ⊢ φ → K ∈ HL ∧ W ∈ H
Assertion hgmapval1 ⊢ φ → G ⁡ 1 ˙ = 1 ˙

Proof

Step Hyp Ref Expression
1 hgmapval1.h ⊢ H = LHyp ⁡ K
2 hgmapval1.u ⊢ U = DVecH ⁡ K ⁡ W
3 hgmapval1.r ⊢ R = Scalar ⁡ U
4 hgmapval1.i ⊢ 1 ˙ = 1 R
5 hgmapval1.g ⊢ G = HGMap ⁡ K ⁡ W
6 hgmapval1.k ⊢ φ → K ∈ HL ∧ W ∈ H
7 eqid ⊢ Base U = Base U
8 eqid ⊢ 0 U = 0 U
9 1 2 7 8 6 dvh1dim ⊢ φ → ∃ x ∈ Base U x ≠ 0 U
10 eqid ⊢ LCDual ⁡ K ⁡ W = LCDual ⁡ K ⁡ W
11 eqid ⊢ Scalar ⁡ LCDual ⁡ K ⁡ W = Scalar ⁡ LCDual ⁡ K ⁡ W
12 eqid ⊢ 1 Scalar ⁡ LCDual ⁡ K ⁡ W = 1 Scalar ⁡ LCDual ⁡ K ⁡ W
13 1 2 3 4 10 11 12 6 lcd1 ⊢ φ → 1 Scalar ⁡ LCDual ⁡ K ⁡ W = 1 ˙
14 13 oveq1d ⊢ φ → 1 Scalar ⁡ LCDual ⁡ K ⁡ W ⋅ LCDual ⁡ K ⁡ W HDMap ⁡ K ⁡ W ⁡ x = 1 ˙ ⋅ LCDual ⁡ K ⁡ W HDMap ⁡ K ⁡ W ⁡ x
15 14 3ad2ant1 ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → 1 Scalar ⁡ LCDual ⁡ K ⁡ W ⋅ LCDual ⁡ K ⁡ W HDMap ⁡ K ⁡ W ⁡ x = 1 ˙ ⋅ LCDual ⁡ K ⁡ W HDMap ⁡ K ⁡ W ⁡ x
16 1 10 6 lcdlmod ⊢ φ → LCDual ⁡ K ⁡ W ∈ LMod
17 16 3ad2ant1 ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → LCDual ⁡ K ⁡ W ∈ LMod
18 eqid ⊢ Base LCDual ⁡ K ⁡ W = Base LCDual ⁡ K ⁡ W
19 eqid ⊢ HDMap ⁡ K ⁡ W = HDMap ⁡ K ⁡ W
20 6 3ad2ant1 ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → K ∈ HL ∧ W ∈ H
21 simp2 ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → x ∈ Base U
22 1 2 7 10 18 19 20 21 hdmapcl ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → HDMap ⁡ K ⁡ W ⁡ x ∈ Base LCDual ⁡ K ⁡ W
23 eqid ⊢ ⋅ LCDual ⁡ K ⁡ W = ⋅ LCDual ⁡ K ⁡ W
24 18 11 23 12 lmodvs1 ⊢ LCDual ⁡ K ⁡ W ∈ LMod ∧ HDMap ⁡ K ⁡ W ⁡ x ∈ Base LCDual ⁡ K ⁡ W → 1 Scalar ⁡ LCDual ⁡ K ⁡ W ⋅ LCDual ⁡ K ⁡ W HDMap ⁡ K ⁡ W ⁡ x = HDMap ⁡ K ⁡ W ⁡ x
25 17 22 24 syl2anc ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → 1 Scalar ⁡ LCDual ⁡ K ⁡ W ⋅ LCDual ⁡ K ⁡ W HDMap ⁡ K ⁡ W ⁡ x = HDMap ⁡ K ⁡ W ⁡ x
26 15 25 eqtr3d ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → 1 ˙ ⋅ LCDual ⁡ K ⁡ W HDMap ⁡ K ⁡ W ⁡ x = HDMap ⁡ K ⁡ W ⁡ x
27 1 2 6 dvhlmod ⊢ φ → U ∈ LMod
28 27 3ad2ant1 ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → U ∈ LMod
29 eqid ⊢ ⋅ U = ⋅ U
30 7 3 29 4 lmodvs1 ⊢ U ∈ LMod ∧ x ∈ Base U → 1 ˙ ⋅ U x = x
31 28 21 30 syl2anc ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → 1 ˙ ⋅ U x = x
32 31 fveq2d ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → HDMap ⁡ K ⁡ W ⁡ 1 ˙ ⋅ U x = HDMap ⁡ K ⁡ W ⁡ x
33 eqid ⊢ Base R = Base R
34 3 lmodring ⊢ U ∈ LMod → R ∈ Ring
35 33 4 ringidcl ⊢ R ∈ Ring → 1 ˙ ∈ Base R
36 27 34 35 3syl ⊢ φ → 1 ˙ ∈ Base R
37 36 3ad2ant1 ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → 1 ˙ ∈ Base R
38 1 2 7 29 3 33 10 23 19 5 20 21 37 hgmapvs ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → HDMap ⁡ K ⁡ W ⁡ 1 ˙ ⋅ U x = G ⁡ 1 ˙ ⋅ LCDual ⁡ K ⁡ W HDMap ⁡ K ⁡ W ⁡ x
39 26 32 38 3eqtr2rd ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → G ⁡ 1 ˙ ⋅ LCDual ⁡ K ⁡ W HDMap ⁡ K ⁡ W ⁡ x = 1 ˙ ⋅ LCDual ⁡ K ⁡ W HDMap ⁡ K ⁡ W ⁡ x
40 eqid ⊢ Base Scalar ⁡ LCDual ⁡ K ⁡ W = Base Scalar ⁡ LCDual ⁡ K ⁡ W
41 eqid ⊢ 0 LCDual ⁡ K ⁡ W = 0 LCDual ⁡ K ⁡ W
42 1 10 6 lcdlvec ⊢ φ → LCDual ⁡ K ⁡ W ∈ LVec
43 42 3ad2ant1 ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → LCDual ⁡ K ⁡ W ∈ LVec
44 1 2 3 33 5 6 36 hgmapcl ⊢ φ → G ⁡ 1 ˙ ∈ Base R
45 1 2 3 33 10 11 40 6 lcdsbase ⊢ φ → Base Scalar ⁡ LCDual ⁡ K ⁡ W = Base R
46 44 45 eleqtrrd ⊢ φ → G ⁡ 1 ˙ ∈ Base Scalar ⁡ LCDual ⁡ K ⁡ W
47 46 3ad2ant1 ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → G ⁡ 1 ˙ ∈ Base Scalar ⁡ LCDual ⁡ K ⁡ W
48 36 45 eleqtrrd ⊢ φ → 1 ˙ ∈ Base Scalar ⁡ LCDual ⁡ K ⁡ W
49 48 3ad2ant1 ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → 1 ˙ ∈ Base Scalar ⁡ LCDual ⁡ K ⁡ W
50 simp3 ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → x ≠ 0 U
51 1 2 7 8 10 41 19 20 21 hdmapeq0 ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → HDMap ⁡ K ⁡ W ⁡ x = 0 LCDual ⁡ K ⁡ W ↔ x = 0 U
52 51 necon3bid ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → HDMap ⁡ K ⁡ W ⁡ x ≠ 0 LCDual ⁡ K ⁡ W ↔ x ≠ 0 U
53 50 52 mpbird ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → HDMap ⁡ K ⁡ W ⁡ x ≠ 0 LCDual ⁡ K ⁡ W
54 18 23 11 40 41 43 47 49 22 53 lvecvscan2 ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → G ⁡ 1 ˙ ⋅ LCDual ⁡ K ⁡ W HDMap ⁡ K ⁡ W ⁡ x = 1 ˙ ⋅ LCDual ⁡ K ⁡ W HDMap ⁡ K ⁡ W ⁡ x ↔ G ⁡ 1 ˙ = 1 ˙
55 39 54 mpbid ⊢ φ ∧ x ∈ Base U ∧ x ≠ 0 U → G ⁡ 1 ˙ = 1 ˙
56 55 rexlimdv3a ⊢ φ → ∃ x ∈ Base U x ≠ 0 U → G ⁡ 1 ˙ = 1 ˙
57 9 56 mpd ⊢ φ → G ⁡ 1 ˙ = 1 ˙