Metamath Proof Explorer


Theorem imasvsca

Description: The scalar multiplication operation of an image structure. (Contributed by Mario Carneiro, 23-Feb-2015) (Revised by Thierry Arnoux, 16-Jun-2019)

Ref Expression
Hypotheses imasbas.u ⊢ φ → U = F “ 𝑠 R
imasbas.v ⊢ φ → V = Base R
imasbas.f ⊢ φ → F : V ⟶ onto B
imasbas.r ⊢ φ → R ∈ Z
imassca.g ⊢ G = Scalar ⁡ R
imasvsca.k ⊢ K = Base G
imasvsca.q ⊢ · ˙ = ⋅ R
imasvsca.s ⊢ ∙ ˙ = ⋅ U
Assertion imasvsca ⊢ φ → ∙ ˙ = ⋃ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q

Proof

Step Hyp Ref Expression
1 imasbas.u ⊢ φ → U = F “ 𝑠 R
2 imasbas.v ⊢ φ → V = Base R
3 imasbas.f ⊢ φ → F : V ⟶ onto B
4 imasbas.r ⊢ φ → R ∈ Z
5 imassca.g ⊢ G = Scalar ⁡ R
6 imasvsca.k ⊢ K = Base G
7 imasvsca.q ⊢ · ˙ = ⋅ R
8 imasvsca.s ⊢ ∙ ˙ = ⋅ U
9 eqid ⊢ + R = + R
10 eqid ⊢ ⋅ R = ⋅ R
11 eqid ⊢ Scalar ⁡ R = Scalar ⁡ R
12 5 fveq2i ⊢ Base G = Base Scalar ⁡ R
13 6 12 eqtri ⊢ K = Base Scalar ⁡ R
14 eqid ⊢ ⋅ 𝑖 ⁡ R = ⋅ 𝑖 ⁡ R
15 eqid ⊢ TopOpen ⁡ R = TopOpen ⁡ R
16 eqid ⊢ dist ⁡ R = dist ⁡ R
17 eqid ⊢ ≤ R = ≤ R
18 eqid ⊢ + U = + U
19 1 2 3 4 9 18 imasplusg ⊢ φ → + U = ⋃ p ∈ V ⋃ q ∈ V F ⁡ p F ⁡ q F ⁡ p + R q
20 eqid ⊢ ⋅ U = ⋅ U
21 1 2 3 4 10 20 imasmulr ⊢ φ → ⋅ U = ⋃ p ∈ V ⋃ q ∈ V F ⁡ p F ⁡ q F ⁡ p ⋅ R q
22 eqidd ⊢ φ → ⋃ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q = ⋃ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q
23 eqidd ⊢ φ → ⋃ p ∈ V ⋃ q ∈ V F ⁡ p F ⁡ q p ⋅ 𝑖 ⁡ R q = ⋃ p ∈ V ⋃ q ∈ V F ⁡ p F ⁡ q p ⋅ 𝑖 ⁡ R q
24 eqidd ⊢ φ → TopOpen ⁡ R qTop F = TopOpen ⁡ R qTop F
25 eqid ⊢ dist ⁡ U = dist ⁡ U
26 1 2 3 4 16 25 imasds ⊢ φ → dist ⁡ U = x ∈ B , y ∈ B ⟼ inf ⋃ u ∈ ℕ ran ⁡ z ∈ w ∈ V × V 1 … u | F ⁡ 1 st ⁡ w ⁡ 1 = x ∧ F ⁡ 2 nd ⁡ w ⁡ u = y ∧ ∀ v ∈ 1 … u − 1 F ⁡ 2 nd ⁡ w ⁡ v = F ⁡ 1 st ⁡ w ⁡ v + 1 ⟼ ∑ ℝ 𝑠 * dist ⁡ R ∘ z ℝ * <
27 eqidd ⊢ φ → F ∘ ≤ R ∘ F -1 = F ∘ ≤ R ∘ F -1
28 1 2 9 10 11 13 7 14 15 16 17 19 21 22 23 24 26 27 3 4 imasval ⊢ φ → U = Base ndx B + ndx + U ⋅ ndx ⋅ U ∪ Scalar ⁡ ndx Scalar ⁡ R ⋅ ndx ⋃ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q ⋅ 𝑖 ⁡ ndx ⋃ p ∈ V ⋃ q ∈ V F ⁡ p F ⁡ q p ⋅ 𝑖 ⁡ R q ∪ TopSet ⁡ ndx TopOpen ⁡ R qTop F ≤ ndx F ∘ ≤ R ∘ F -1 dist ⁡ ndx dist ⁡ U
29 eqid ⊢ Base ndx B + ndx + U ⋅ ndx ⋅ U ∪ Scalar ⁡ ndx Scalar ⁡ R ⋅ ndx ⋃ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q ⋅ 𝑖 ⁡ ndx ⋃ p ∈ V ⋃ q ∈ V F ⁡ p F ⁡ q p ⋅ 𝑖 ⁡ R q ∪ TopSet ⁡ ndx TopOpen ⁡ R qTop F ≤ ndx F ∘ ≤ R ∘ F -1 dist ⁡ ndx dist ⁡ U = Base ndx B + ndx + U ⋅ ndx ⋅ U ∪ Scalar ⁡ ndx Scalar ⁡ R ⋅ ndx ⋃ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q ⋅ 𝑖 ⁡ ndx ⋃ p ∈ V ⋃ q ∈ V F ⁡ p F ⁡ q p ⋅ 𝑖 ⁡ R q ∪ TopSet ⁡ ndx TopOpen ⁡ R qTop F ≤ ndx F ∘ ≤ R ∘ F -1 dist ⁡ ndx dist ⁡ U
30 29 imasvalstr ⊢ Base ndx B + ndx + U ⋅ ndx ⋅ U ∪ Scalar ⁡ ndx Scalar ⁡ R ⋅ ndx ⋃ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q ⋅ 𝑖 ⁡ ndx ⋃ p ∈ V ⋃ q ∈ V F ⁡ p F ⁡ q p ⋅ 𝑖 ⁡ R q ∪ TopSet ⁡ ndx TopOpen ⁡ R qTop F ≤ ndx F ∘ ≤ R ∘ F -1 dist ⁡ ndx dist ⁡ U Struct 1 12
31 vscaid ⊢ ⋅ 𝑠 = Slot ⋅ ndx
32 snsstp2 ⊢ ⋅ ndx ⋃ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q ⊆ Scalar ⁡ ndx Scalar ⁡ R ⋅ ndx ⋃ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q ⋅ 𝑖 ⁡ ndx ⋃ p ∈ V ⋃ q ∈ V F ⁡ p F ⁡ q p ⋅ 𝑖 ⁡ R q
33 ssun2 ⊢ Scalar ⁡ ndx Scalar ⁡ R ⋅ ndx ⋃ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q ⋅ 𝑖 ⁡ ndx ⋃ p ∈ V ⋃ q ∈ V F ⁡ p F ⁡ q p ⋅ 𝑖 ⁡ R q ⊆ Base ndx B + ndx + U ⋅ ndx ⋅ U ∪ Scalar ⁡ ndx Scalar ⁡ R ⋅ ndx ⋃ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q ⋅ 𝑖 ⁡ ndx ⋃ p ∈ V ⋃ q ∈ V F ⁡ p F ⁡ q p ⋅ 𝑖 ⁡ R q
34 ssun1 ⊢ Base ndx B + ndx + U ⋅ ndx ⋅ U ∪ Scalar ⁡ ndx Scalar ⁡ R ⋅ ndx ⋃ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q ⋅ 𝑖 ⁡ ndx ⋃ p ∈ V ⋃ q ∈ V F ⁡ p F ⁡ q p ⋅ 𝑖 ⁡ R q ⊆ Base ndx B + ndx + U ⋅ ndx ⋅ U ∪ Scalar ⁡ ndx Scalar ⁡ R ⋅ ndx ⋃ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q ⋅ 𝑖 ⁡ ndx ⋃ p ∈ V ⋃ q ∈ V F ⁡ p F ⁡ q p ⋅ 𝑖 ⁡ R q ∪ TopSet ⁡ ndx TopOpen ⁡ R qTop F ≤ ndx F ∘ ≤ R ∘ F -1 dist ⁡ ndx dist ⁡ U
35 33 34 sstri ⊢ Scalar ⁡ ndx Scalar ⁡ R ⋅ ndx ⋃ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q ⋅ 𝑖 ⁡ ndx ⋃ p ∈ V ⋃ q ∈ V F ⁡ p F ⁡ q p ⋅ 𝑖 ⁡ R q ⊆ Base ndx B + ndx + U ⋅ ndx ⋅ U ∪ Scalar ⁡ ndx Scalar ⁡ R ⋅ ndx ⋃ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q ⋅ 𝑖 ⁡ ndx ⋃ p ∈ V ⋃ q ∈ V F ⁡ p F ⁡ q p ⋅ 𝑖 ⁡ R q ∪ TopSet ⁡ ndx TopOpen ⁡ R qTop F ≤ ndx F ∘ ≤ R ∘ F -1 dist ⁡ ndx dist ⁡ U
36 32 35 sstri ⊢ ⋅ ndx ⋃ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q ⊆ Base ndx B + ndx + U ⋅ ndx ⋅ U ∪ Scalar ⁡ ndx Scalar ⁡ R ⋅ ndx ⋃ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q ⋅ 𝑖 ⁡ ndx ⋃ p ∈ V ⋃ q ∈ V F ⁡ p F ⁡ q p ⋅ 𝑖 ⁡ R q ∪ TopSet ⁡ ndx TopOpen ⁡ R qTop F ≤ ndx F ∘ ≤ R ∘ F -1 dist ⁡ ndx dist ⁡ U
37 fvex ⊢ Base R ∈ V
38 2 37 eqeltrdi ⊢ φ → V ∈ V
39 6 fvexi ⊢ K ∈ V
40 snex ⊢ F ⁡ q ∈ V
41 39 40 mpoex ⊢ p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q ∈ V
42 41 rgenw ⊢ ∀ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q ∈ V
43 iunexg ⊢ V ∈ V ∧ ∀ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q ∈ V → ⋃ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q ∈ V
44 38 42 43 sylancl ⊢ φ → ⋃ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q ∈ V
45 28 30 31 36 44 8 strfv3 ⊢ φ → ∙ ˙ = ⋃ q ∈ V p ∈ K , x ∈ F ⁡ q ⟼ F ⁡ p · ˙ q