MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  df-imas Structured version   Visualization version   GIF version

Definition df-imas 17451
Description: Define an image structure, which takes a structure and a function on the base set, and maps all the operations via the function. For this to work properly 𝑓 must either be injective or satisfy the well-definedness condition 𝑓(π‘Ž) = 𝑓(𝑐) ∧ 𝑓(𝑏) = 𝑓(𝑑) β†’ 𝑓(π‘Ž + 𝑏) = 𝑓(𝑐 + 𝑑) for each relevant operation.

Note that although we call this an "image" by association to df-ima 5689, in order to keep the definition simple we consider only the case when the domain of 𝐹 is equal to the base set of 𝑅. Other cases can be achieved by restricting 𝐹 (with df-res 5688) and/or 𝑅 ( with df-ress 17171) to their common domain. (Contributed by Mario Carneiro, 23-Feb-2015.) (Revised by AV, 6-Oct-2020.)

Assertion
Ref Expression
df-imas β€œs = (𝑓 ∈ V, π‘Ÿ ∈ V ↦ ⦋(Baseβ€˜π‘Ÿ) / π‘£β¦Œ(({⟨(Baseβ€˜ndx), ran π‘“βŸ©, ⟨(+gβ€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(+gβ€˜π‘Ÿ)π‘ž))⟩}⟩, ⟨(.rβ€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(.rβ€˜π‘Ÿ)π‘ž))⟩}⟩} βˆͺ {⟨(Scalarβ€˜ndx), (Scalarβ€˜π‘Ÿ)⟩, ⟨( ·𝑠 β€˜ndx), βˆͺ π‘ž ∈ 𝑣 (𝑝 ∈ (Baseβ€˜(Scalarβ€˜π‘Ÿ)), π‘₯ ∈ {(π‘“β€˜π‘ž)} ↦ (π‘“β€˜(𝑝( ·𝑠 β€˜π‘Ÿ)π‘ž)))⟩, ⟨(Β·π‘–β€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (𝑝(Β·π‘–β€˜π‘Ÿ)π‘ž)⟩}⟩}) βˆͺ {⟨(TopSetβ€˜ndx), ((TopOpenβ€˜π‘Ÿ) qTop 𝑓)⟩, ⟨(leβ€˜ndx), ((𝑓 ∘ (leβ€˜π‘Ÿ)) ∘ ◑𝑓)⟩, ⟨(distβ€˜ndx), (π‘₯ ∈ ran 𝑓, 𝑦 ∈ ran 𝑓 ↦ inf(βˆͺ 𝑛 ∈ β„• ran (𝑔 ∈ {β„Ž ∈ ((𝑣 Γ— 𝑣) ↑m (1...𝑛)) ∣ ((π‘“β€˜(1st β€˜(β„Žβ€˜1))) = π‘₯ ∧ (π‘“β€˜(2nd β€˜(β„Žβ€˜π‘›))) = 𝑦 ∧ βˆ€π‘– ∈ (1...(𝑛 βˆ’ 1))(π‘“β€˜(2nd β€˜(β„Žβ€˜π‘–))) = (π‘“β€˜(1st β€˜(β„Žβ€˜(𝑖 + 1)))))} ↦ (ℝ*𝑠 Ξ£g ((distβ€˜π‘Ÿ) ∘ 𝑔))), ℝ*, < ))⟩}))
Distinct variable group:   𝑓,𝑔,β„Ž,𝑖,𝑛,𝑝,π‘ž,π‘Ÿ,𝑣,π‘₯,𝑦

Detailed syntax breakdown of Definition df-imas
StepHypRef Expression
1 cimas 17447 . 2 class β€œs
2 vf . . 3 setvar 𝑓
3 vr . . 3 setvar π‘Ÿ
4 cvv 3475 . . 3 class V
5 vv . . . 4 setvar 𝑣
63cv 1541 . . . . 5 class π‘Ÿ
7 cbs 17141 . . . . 5 class Base
86, 7cfv 6541 . . . 4 class (Baseβ€˜π‘Ÿ)
9 cnx 17123 . . . . . . . . 9 class ndx
109, 7cfv 6541 . . . . . . . 8 class (Baseβ€˜ndx)
112cv 1541 . . . . . . . . 9 class 𝑓
1211crn 5677 . . . . . . . 8 class ran 𝑓
1310, 12cop 4634 . . . . . . 7 class ⟨(Baseβ€˜ndx), ran π‘“βŸ©
14 cplusg 17194 . . . . . . . . 9 class +g
159, 14cfv 6541 . . . . . . . 8 class (+gβ€˜ndx)
16 vp . . . . . . . . 9 setvar 𝑝
175cv 1541 . . . . . . . . 9 class 𝑣
18 vq . . . . . . . . . 10 setvar π‘ž
1916cv 1541 . . . . . . . . . . . . . 14 class 𝑝
2019, 11cfv 6541 . . . . . . . . . . . . 13 class (π‘“β€˜π‘)
2118cv 1541 . . . . . . . . . . . . . 14 class π‘ž
2221, 11cfv 6541 . . . . . . . . . . . . 13 class (π‘“β€˜π‘ž)
2320, 22cop 4634 . . . . . . . . . . . 12 class ⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩
246, 14cfv 6541 . . . . . . . . . . . . . 14 class (+gβ€˜π‘Ÿ)
2519, 21, 24co 7406 . . . . . . . . . . . . 13 class (𝑝(+gβ€˜π‘Ÿ)π‘ž)
2625, 11cfv 6541 . . . . . . . . . . . 12 class (π‘“β€˜(𝑝(+gβ€˜π‘Ÿ)π‘ž))
2723, 26cop 4634 . . . . . . . . . . 11 class ⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(+gβ€˜π‘Ÿ)π‘ž))⟩
2827csn 4628 . . . . . . . . . 10 class {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(+gβ€˜π‘Ÿ)π‘ž))⟩}
2918, 17, 28ciun 4997 . . . . . . . . 9 class βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(+gβ€˜π‘Ÿ)π‘ž))⟩}
3016, 17, 29ciun 4997 . . . . . . . 8 class βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(+gβ€˜π‘Ÿ)π‘ž))⟩}
3115, 30cop 4634 . . . . . . 7 class ⟨(+gβ€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(+gβ€˜π‘Ÿ)π‘ž))⟩}⟩
32 cmulr 17195 . . . . . . . . 9 class .r
339, 32cfv 6541 . . . . . . . 8 class (.rβ€˜ndx)
346, 32cfv 6541 . . . . . . . . . . . . . 14 class (.rβ€˜π‘Ÿ)
3519, 21, 34co 7406 . . . . . . . . . . . . 13 class (𝑝(.rβ€˜π‘Ÿ)π‘ž)
3635, 11cfv 6541 . . . . . . . . . . . 12 class (π‘“β€˜(𝑝(.rβ€˜π‘Ÿ)π‘ž))
3723, 36cop 4634 . . . . . . . . . . 11 class ⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(.rβ€˜π‘Ÿ)π‘ž))⟩
3837csn 4628 . . . . . . . . . 10 class {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(.rβ€˜π‘Ÿ)π‘ž))⟩}
3918, 17, 38ciun 4997 . . . . . . . . 9 class βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(.rβ€˜π‘Ÿ)π‘ž))⟩}
4016, 17, 39ciun 4997 . . . . . . . 8 class βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(.rβ€˜π‘Ÿ)π‘ž))⟩}
4133, 40cop 4634 . . . . . . 7 class ⟨(.rβ€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(.rβ€˜π‘Ÿ)π‘ž))⟩}⟩
4213, 31, 41ctp 4632 . . . . . 6 class {⟨(Baseβ€˜ndx), ran π‘“βŸ©, ⟨(+gβ€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(+gβ€˜π‘Ÿ)π‘ž))⟩}⟩, ⟨(.rβ€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(.rβ€˜π‘Ÿ)π‘ž))⟩}⟩}
43 csca 17197 . . . . . . . . 9 class Scalar
449, 43cfv 6541 . . . . . . . 8 class (Scalarβ€˜ndx)
456, 43cfv 6541 . . . . . . . 8 class (Scalarβ€˜π‘Ÿ)
4644, 45cop 4634 . . . . . . 7 class ⟨(Scalarβ€˜ndx), (Scalarβ€˜π‘Ÿ)⟩
47 cvsca 17198 . . . . . . . . 9 class ·𝑠
489, 47cfv 6541 . . . . . . . 8 class ( ·𝑠 β€˜ndx)
49 vx . . . . . . . . . 10 setvar π‘₯
5045, 7cfv 6541 . . . . . . . . . 10 class (Baseβ€˜(Scalarβ€˜π‘Ÿ))
5122csn 4628 . . . . . . . . . 10 class {(π‘“β€˜π‘ž)}
526, 47cfv 6541 . . . . . . . . . . . 12 class ( ·𝑠 β€˜π‘Ÿ)
5319, 21, 52co 7406 . . . . . . . . . . 11 class (𝑝( ·𝑠 β€˜π‘Ÿ)π‘ž)
5453, 11cfv 6541 . . . . . . . . . 10 class (π‘“β€˜(𝑝( ·𝑠 β€˜π‘Ÿ)π‘ž))
5516, 49, 50, 51, 54cmpo 7408 . . . . . . . . 9 class (𝑝 ∈ (Baseβ€˜(Scalarβ€˜π‘Ÿ)), π‘₯ ∈ {(π‘“β€˜π‘ž)} ↦ (π‘“β€˜(𝑝( ·𝑠 β€˜π‘Ÿ)π‘ž)))
5618, 17, 55ciun 4997 . . . . . . . 8 class βˆͺ π‘ž ∈ 𝑣 (𝑝 ∈ (Baseβ€˜(Scalarβ€˜π‘Ÿ)), π‘₯ ∈ {(π‘“β€˜π‘ž)} ↦ (π‘“β€˜(𝑝( ·𝑠 β€˜π‘Ÿ)π‘ž)))
5748, 56cop 4634 . . . . . . 7 class ⟨( ·𝑠 β€˜ndx), βˆͺ π‘ž ∈ 𝑣 (𝑝 ∈ (Baseβ€˜(Scalarβ€˜π‘Ÿ)), π‘₯ ∈ {(π‘“β€˜π‘ž)} ↦ (π‘“β€˜(𝑝( ·𝑠 β€˜π‘Ÿ)π‘ž)))⟩
58 cip 17199 . . . . . . . . 9 class ·𝑖
599, 58cfv 6541 . . . . . . . 8 class (Β·π‘–β€˜ndx)
606, 58cfv 6541 . . . . . . . . . . . . 13 class (Β·π‘–β€˜π‘Ÿ)
6119, 21, 60co 7406 . . . . . . . . . . . 12 class (𝑝(Β·π‘–β€˜π‘Ÿ)π‘ž)
6223, 61cop 4634 . . . . . . . . . . 11 class ⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (𝑝(Β·π‘–β€˜π‘Ÿ)π‘ž)⟩
6362csn 4628 . . . . . . . . . 10 class {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (𝑝(Β·π‘–β€˜π‘Ÿ)π‘ž)⟩}
6418, 17, 63ciun 4997 . . . . . . . . 9 class βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (𝑝(Β·π‘–β€˜π‘Ÿ)π‘ž)⟩}
6516, 17, 64ciun 4997 . . . . . . . 8 class βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (𝑝(Β·π‘–β€˜π‘Ÿ)π‘ž)⟩}
6659, 65cop 4634 . . . . . . 7 class ⟨(Β·π‘–β€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (𝑝(Β·π‘–β€˜π‘Ÿ)π‘ž)⟩}⟩
6746, 57, 66ctp 4632 . . . . . 6 class {⟨(Scalarβ€˜ndx), (Scalarβ€˜π‘Ÿ)⟩, ⟨( ·𝑠 β€˜ndx), βˆͺ π‘ž ∈ 𝑣 (𝑝 ∈ (Baseβ€˜(Scalarβ€˜π‘Ÿ)), π‘₯ ∈ {(π‘“β€˜π‘ž)} ↦ (π‘“β€˜(𝑝( ·𝑠 β€˜π‘Ÿ)π‘ž)))⟩, ⟨(Β·π‘–β€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (𝑝(Β·π‘–β€˜π‘Ÿ)π‘ž)⟩}⟩}
6842, 67cun 3946 . . . . 5 class ({⟨(Baseβ€˜ndx), ran π‘“βŸ©, ⟨(+gβ€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(+gβ€˜π‘Ÿ)π‘ž))⟩}⟩, ⟨(.rβ€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(.rβ€˜π‘Ÿ)π‘ž))⟩}⟩} βˆͺ {⟨(Scalarβ€˜ndx), (Scalarβ€˜π‘Ÿ)⟩, ⟨( ·𝑠 β€˜ndx), βˆͺ π‘ž ∈ 𝑣 (𝑝 ∈ (Baseβ€˜(Scalarβ€˜π‘Ÿ)), π‘₯ ∈ {(π‘“β€˜π‘ž)} ↦ (π‘“β€˜(𝑝( ·𝑠 β€˜π‘Ÿ)π‘ž)))⟩, ⟨(Β·π‘–β€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (𝑝(Β·π‘–β€˜π‘Ÿ)π‘ž)⟩}⟩})
69 cts 17200 . . . . . . . 8 class TopSet
709, 69cfv 6541 . . . . . . 7 class (TopSetβ€˜ndx)
71 ctopn 17364 . . . . . . . . 9 class TopOpen
726, 71cfv 6541 . . . . . . . 8 class (TopOpenβ€˜π‘Ÿ)
73 cqtop 17446 . . . . . . . 8 class qTop
7472, 11, 73co 7406 . . . . . . 7 class ((TopOpenβ€˜π‘Ÿ) qTop 𝑓)
7570, 74cop 4634 . . . . . 6 class ⟨(TopSetβ€˜ndx), ((TopOpenβ€˜π‘Ÿ) qTop 𝑓)⟩
76 cple 17201 . . . . . . . 8 class le
779, 76cfv 6541 . . . . . . 7 class (leβ€˜ndx)
786, 76cfv 6541 . . . . . . . . 9 class (leβ€˜π‘Ÿ)
7911, 78ccom 5680 . . . . . . . 8 class (𝑓 ∘ (leβ€˜π‘Ÿ))
8011ccnv 5675 . . . . . . . 8 class ◑𝑓
8179, 80ccom 5680 . . . . . . 7 class ((𝑓 ∘ (leβ€˜π‘Ÿ)) ∘ ◑𝑓)
8277, 81cop 4634 . . . . . 6 class ⟨(leβ€˜ndx), ((𝑓 ∘ (leβ€˜π‘Ÿ)) ∘ ◑𝑓)⟩
83 cds 17203 . . . . . . . 8 class dist
849, 83cfv 6541 . . . . . . 7 class (distβ€˜ndx)
85 vy . . . . . . . 8 setvar 𝑦
86 vn . . . . . . . . . 10 setvar 𝑛
87 cn 12209 . . . . . . . . . 10 class β„•
88 vg . . . . . . . . . . . 12 setvar 𝑔
89 c1 11108 . . . . . . . . . . . . . . . . . 18 class 1
90 vh . . . . . . . . . . . . . . . . . . 19 setvar β„Ž
9190cv 1541 . . . . . . . . . . . . . . . . . 18 class β„Ž
9289, 91cfv 6541 . . . . . . . . . . . . . . . . 17 class (β„Žβ€˜1)
93 c1st 7970 . . . . . . . . . . . . . . . . 17 class 1st
9492, 93cfv 6541 . . . . . . . . . . . . . . . 16 class (1st β€˜(β„Žβ€˜1))
9594, 11cfv 6541 . . . . . . . . . . . . . . 15 class (π‘“β€˜(1st β€˜(β„Žβ€˜1)))
9649cv 1541 . . . . . . . . . . . . . . 15 class π‘₯
9795, 96wceq 1542 . . . . . . . . . . . . . 14 wff (π‘“β€˜(1st β€˜(β„Žβ€˜1))) = π‘₯
9886cv 1541 . . . . . . . . . . . . . . . . . 18 class 𝑛
9998, 91cfv 6541 . . . . . . . . . . . . . . . . 17 class (β„Žβ€˜π‘›)
100 c2nd 7971 . . . . . . . . . . . . . . . . 17 class 2nd
10199, 100cfv 6541 . . . . . . . . . . . . . . . 16 class (2nd β€˜(β„Žβ€˜π‘›))
102101, 11cfv 6541 . . . . . . . . . . . . . . 15 class (π‘“β€˜(2nd β€˜(β„Žβ€˜π‘›)))
10385cv 1541 . . . . . . . . . . . . . . 15 class 𝑦
104102, 103wceq 1542 . . . . . . . . . . . . . 14 wff (π‘“β€˜(2nd β€˜(β„Žβ€˜π‘›))) = 𝑦
105 vi . . . . . . . . . . . . . . . . . . . 20 setvar 𝑖
106105cv 1541 . . . . . . . . . . . . . . . . . . 19 class 𝑖
107106, 91cfv 6541 . . . . . . . . . . . . . . . . . 18 class (β„Žβ€˜π‘–)
108107, 100cfv 6541 . . . . . . . . . . . . . . . . 17 class (2nd β€˜(β„Žβ€˜π‘–))
109108, 11cfv 6541 . . . . . . . . . . . . . . . 16 class (π‘“β€˜(2nd β€˜(β„Žβ€˜π‘–)))
110 caddc 11110 . . . . . . . . . . . . . . . . . . . 20 class +
111106, 89, 110co 7406 . . . . . . . . . . . . . . . . . . 19 class (𝑖 + 1)
112111, 91cfv 6541 . . . . . . . . . . . . . . . . . 18 class (β„Žβ€˜(𝑖 + 1))
113112, 93cfv 6541 . . . . . . . . . . . . . . . . 17 class (1st β€˜(β„Žβ€˜(𝑖 + 1)))
114113, 11cfv 6541 . . . . . . . . . . . . . . . 16 class (π‘“β€˜(1st β€˜(β„Žβ€˜(𝑖 + 1))))
115109, 114wceq 1542 . . . . . . . . . . . . . . 15 wff (π‘“β€˜(2nd β€˜(β„Žβ€˜π‘–))) = (π‘“β€˜(1st β€˜(β„Žβ€˜(𝑖 + 1))))
116 cmin 11441 . . . . . . . . . . . . . . . . 17 class βˆ’
11798, 89, 116co 7406 . . . . . . . . . . . . . . . 16 class (𝑛 βˆ’ 1)
118 cfz 13481 . . . . . . . . . . . . . . . 16 class ...
11989, 117, 118co 7406 . . . . . . . . . . . . . . 15 class (1...(𝑛 βˆ’ 1))
120115, 105, 119wral 3062 . . . . . . . . . . . . . 14 wff βˆ€π‘– ∈ (1...(𝑛 βˆ’ 1))(π‘“β€˜(2nd β€˜(β„Žβ€˜π‘–))) = (π‘“β€˜(1st β€˜(β„Žβ€˜(𝑖 + 1))))
12197, 104, 120w3a 1088 . . . . . . . . . . . . 13 wff ((π‘“β€˜(1st β€˜(β„Žβ€˜1))) = π‘₯ ∧ (π‘“β€˜(2nd β€˜(β„Žβ€˜π‘›))) = 𝑦 ∧ βˆ€π‘– ∈ (1...(𝑛 βˆ’ 1))(π‘“β€˜(2nd β€˜(β„Žβ€˜π‘–))) = (π‘“β€˜(1st β€˜(β„Žβ€˜(𝑖 + 1)))))
12217, 17cxp 5674 . . . . . . . . . . . . . 14 class (𝑣 Γ— 𝑣)
12389, 98, 118co 7406 . . . . . . . . . . . . . 14 class (1...𝑛)
124 cmap 8817 . . . . . . . . . . . . . 14 class ↑m
125122, 123, 124co 7406 . . . . . . . . . . . . 13 class ((𝑣 Γ— 𝑣) ↑m (1...𝑛))
126121, 90, 125crab 3433 . . . . . . . . . . . 12 class {β„Ž ∈ ((𝑣 Γ— 𝑣) ↑m (1...𝑛)) ∣ ((π‘“β€˜(1st β€˜(β„Žβ€˜1))) = π‘₯ ∧ (π‘“β€˜(2nd β€˜(β„Žβ€˜π‘›))) = 𝑦 ∧ βˆ€π‘– ∈ (1...(𝑛 βˆ’ 1))(π‘“β€˜(2nd β€˜(β„Žβ€˜π‘–))) = (π‘“β€˜(1st β€˜(β„Žβ€˜(𝑖 + 1)))))}
127 cxrs 17443 . . . . . . . . . . . . 13 class ℝ*𝑠
1286, 83cfv 6541 . . . . . . . . . . . . . 14 class (distβ€˜π‘Ÿ)
12988cv 1541 . . . . . . . . . . . . . 14 class 𝑔
130128, 129ccom 5680 . . . . . . . . . . . . 13 class ((distβ€˜π‘Ÿ) ∘ 𝑔)
131 cgsu 17383 . . . . . . . . . . . . 13 class Ξ£g
132127, 130, 131co 7406 . . . . . . . . . . . 12 class (ℝ*𝑠 Ξ£g ((distβ€˜π‘Ÿ) ∘ 𝑔))
13388, 126, 132cmpt 5231 . . . . . . . . . . 11 class (𝑔 ∈ {β„Ž ∈ ((𝑣 Γ— 𝑣) ↑m (1...𝑛)) ∣ ((π‘“β€˜(1st β€˜(β„Žβ€˜1))) = π‘₯ ∧ (π‘“β€˜(2nd β€˜(β„Žβ€˜π‘›))) = 𝑦 ∧ βˆ€π‘– ∈ (1...(𝑛 βˆ’ 1))(π‘“β€˜(2nd β€˜(β„Žβ€˜π‘–))) = (π‘“β€˜(1st β€˜(β„Žβ€˜(𝑖 + 1)))))} ↦ (ℝ*𝑠 Ξ£g ((distβ€˜π‘Ÿ) ∘ 𝑔)))
134133crn 5677 . . . . . . . . . 10 class ran (𝑔 ∈ {β„Ž ∈ ((𝑣 Γ— 𝑣) ↑m (1...𝑛)) ∣ ((π‘“β€˜(1st β€˜(β„Žβ€˜1))) = π‘₯ ∧ (π‘“β€˜(2nd β€˜(β„Žβ€˜π‘›))) = 𝑦 ∧ βˆ€π‘– ∈ (1...(𝑛 βˆ’ 1))(π‘“β€˜(2nd β€˜(β„Žβ€˜π‘–))) = (π‘“β€˜(1st β€˜(β„Žβ€˜(𝑖 + 1)))))} ↦ (ℝ*𝑠 Ξ£g ((distβ€˜π‘Ÿ) ∘ 𝑔)))
13586, 87, 134ciun 4997 . . . . . . . . 9 class βˆͺ 𝑛 ∈ β„• ran (𝑔 ∈ {β„Ž ∈ ((𝑣 Γ— 𝑣) ↑m (1...𝑛)) ∣ ((π‘“β€˜(1st β€˜(β„Žβ€˜1))) = π‘₯ ∧ (π‘“β€˜(2nd β€˜(β„Žβ€˜π‘›))) = 𝑦 ∧ βˆ€π‘– ∈ (1...(𝑛 βˆ’ 1))(π‘“β€˜(2nd β€˜(β„Žβ€˜π‘–))) = (π‘“β€˜(1st β€˜(β„Žβ€˜(𝑖 + 1)))))} ↦ (ℝ*𝑠 Ξ£g ((distβ€˜π‘Ÿ) ∘ 𝑔)))
136 cxr 11244 . . . . . . . . 9 class ℝ*
137 clt 11245 . . . . . . . . 9 class <
138135, 136, 137cinf 9433 . . . . . . . 8 class inf(βˆͺ 𝑛 ∈ β„• ran (𝑔 ∈ {β„Ž ∈ ((𝑣 Γ— 𝑣) ↑m (1...𝑛)) ∣ ((π‘“β€˜(1st β€˜(β„Žβ€˜1))) = π‘₯ ∧ (π‘“β€˜(2nd β€˜(β„Žβ€˜π‘›))) = 𝑦 ∧ βˆ€π‘– ∈ (1...(𝑛 βˆ’ 1))(π‘“β€˜(2nd β€˜(β„Žβ€˜π‘–))) = (π‘“β€˜(1st β€˜(β„Žβ€˜(𝑖 + 1)))))} ↦ (ℝ*𝑠 Ξ£g ((distβ€˜π‘Ÿ) ∘ 𝑔))), ℝ*, < )
13949, 85, 12, 12, 138cmpo 7408 . . . . . . 7 class (π‘₯ ∈ ran 𝑓, 𝑦 ∈ ran 𝑓 ↦ inf(βˆͺ 𝑛 ∈ β„• ran (𝑔 ∈ {β„Ž ∈ ((𝑣 Γ— 𝑣) ↑m (1...𝑛)) ∣ ((π‘“β€˜(1st β€˜(β„Žβ€˜1))) = π‘₯ ∧ (π‘“β€˜(2nd β€˜(β„Žβ€˜π‘›))) = 𝑦 ∧ βˆ€π‘– ∈ (1...(𝑛 βˆ’ 1))(π‘“β€˜(2nd β€˜(β„Žβ€˜π‘–))) = (π‘“β€˜(1st β€˜(β„Žβ€˜(𝑖 + 1)))))} ↦ (ℝ*𝑠 Ξ£g ((distβ€˜π‘Ÿ) ∘ 𝑔))), ℝ*, < ))
14084, 139cop 4634 . . . . . 6 class ⟨(distβ€˜ndx), (π‘₯ ∈ ran 𝑓, 𝑦 ∈ ran 𝑓 ↦ inf(βˆͺ 𝑛 ∈ β„• ran (𝑔 ∈ {β„Ž ∈ ((𝑣 Γ— 𝑣) ↑m (1...𝑛)) ∣ ((π‘“β€˜(1st β€˜(β„Žβ€˜1))) = π‘₯ ∧ (π‘“β€˜(2nd β€˜(β„Žβ€˜π‘›))) = 𝑦 ∧ βˆ€π‘– ∈ (1...(𝑛 βˆ’ 1))(π‘“β€˜(2nd β€˜(β„Žβ€˜π‘–))) = (π‘“β€˜(1st β€˜(β„Žβ€˜(𝑖 + 1)))))} ↦ (ℝ*𝑠 Ξ£g ((distβ€˜π‘Ÿ) ∘ 𝑔))), ℝ*, < ))⟩
14175, 82, 140ctp 4632 . . . . 5 class {⟨(TopSetβ€˜ndx), ((TopOpenβ€˜π‘Ÿ) qTop 𝑓)⟩, ⟨(leβ€˜ndx), ((𝑓 ∘ (leβ€˜π‘Ÿ)) ∘ ◑𝑓)⟩, ⟨(distβ€˜ndx), (π‘₯ ∈ ran 𝑓, 𝑦 ∈ ran 𝑓 ↦ inf(βˆͺ 𝑛 ∈ β„• ran (𝑔 ∈ {β„Ž ∈ ((𝑣 Γ— 𝑣) ↑m (1...𝑛)) ∣ ((π‘“β€˜(1st β€˜(β„Žβ€˜1))) = π‘₯ ∧ (π‘“β€˜(2nd β€˜(β„Žβ€˜π‘›))) = 𝑦 ∧ βˆ€π‘– ∈ (1...(𝑛 βˆ’ 1))(π‘“β€˜(2nd β€˜(β„Žβ€˜π‘–))) = (π‘“β€˜(1st β€˜(β„Žβ€˜(𝑖 + 1)))))} ↦ (ℝ*𝑠 Ξ£g ((distβ€˜π‘Ÿ) ∘ 𝑔))), ℝ*, < ))⟩}
14268, 141cun 3946 . . . 4 class (({⟨(Baseβ€˜ndx), ran π‘“βŸ©, ⟨(+gβ€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(+gβ€˜π‘Ÿ)π‘ž))⟩}⟩, ⟨(.rβ€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(.rβ€˜π‘Ÿ)π‘ž))⟩}⟩} βˆͺ {⟨(Scalarβ€˜ndx), (Scalarβ€˜π‘Ÿ)⟩, ⟨( ·𝑠 β€˜ndx), βˆͺ π‘ž ∈ 𝑣 (𝑝 ∈ (Baseβ€˜(Scalarβ€˜π‘Ÿ)), π‘₯ ∈ {(π‘“β€˜π‘ž)} ↦ (π‘“β€˜(𝑝( ·𝑠 β€˜π‘Ÿ)π‘ž)))⟩, ⟨(Β·π‘–β€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (𝑝(Β·π‘–β€˜π‘Ÿ)π‘ž)⟩}⟩}) βˆͺ {⟨(TopSetβ€˜ndx), ((TopOpenβ€˜π‘Ÿ) qTop 𝑓)⟩, ⟨(leβ€˜ndx), ((𝑓 ∘ (leβ€˜π‘Ÿ)) ∘ ◑𝑓)⟩, ⟨(distβ€˜ndx), (π‘₯ ∈ ran 𝑓, 𝑦 ∈ ran 𝑓 ↦ inf(βˆͺ 𝑛 ∈ β„• ran (𝑔 ∈ {β„Ž ∈ ((𝑣 Γ— 𝑣) ↑m (1...𝑛)) ∣ ((π‘“β€˜(1st β€˜(β„Žβ€˜1))) = π‘₯ ∧ (π‘“β€˜(2nd β€˜(β„Žβ€˜π‘›))) = 𝑦 ∧ βˆ€π‘– ∈ (1...(𝑛 βˆ’ 1))(π‘“β€˜(2nd β€˜(β„Žβ€˜π‘–))) = (π‘“β€˜(1st β€˜(β„Žβ€˜(𝑖 + 1)))))} ↦ (ℝ*𝑠 Ξ£g ((distβ€˜π‘Ÿ) ∘ 𝑔))), ℝ*, < ))⟩})
1435, 8, 142csb 3893 . . 3 class ⦋(Baseβ€˜π‘Ÿ) / π‘£β¦Œ(({⟨(Baseβ€˜ndx), ran π‘“βŸ©, ⟨(+gβ€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(+gβ€˜π‘Ÿ)π‘ž))⟩}⟩, ⟨(.rβ€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(.rβ€˜π‘Ÿ)π‘ž))⟩}⟩} βˆͺ {⟨(Scalarβ€˜ndx), (Scalarβ€˜π‘Ÿ)⟩, ⟨( ·𝑠 β€˜ndx), βˆͺ π‘ž ∈ 𝑣 (𝑝 ∈ (Baseβ€˜(Scalarβ€˜π‘Ÿ)), π‘₯ ∈ {(π‘“β€˜π‘ž)} ↦ (π‘“β€˜(𝑝( ·𝑠 β€˜π‘Ÿ)π‘ž)))⟩, ⟨(Β·π‘–β€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (𝑝(Β·π‘–β€˜π‘Ÿ)π‘ž)⟩}⟩}) βˆͺ {⟨(TopSetβ€˜ndx), ((TopOpenβ€˜π‘Ÿ) qTop 𝑓)⟩, ⟨(leβ€˜ndx), ((𝑓 ∘ (leβ€˜π‘Ÿ)) ∘ ◑𝑓)⟩, ⟨(distβ€˜ndx), (π‘₯ ∈ ran 𝑓, 𝑦 ∈ ran 𝑓 ↦ inf(βˆͺ 𝑛 ∈ β„• ran (𝑔 ∈ {β„Ž ∈ ((𝑣 Γ— 𝑣) ↑m (1...𝑛)) ∣ ((π‘“β€˜(1st β€˜(β„Žβ€˜1))) = π‘₯ ∧ (π‘“β€˜(2nd β€˜(β„Žβ€˜π‘›))) = 𝑦 ∧ βˆ€π‘– ∈ (1...(𝑛 βˆ’ 1))(π‘“β€˜(2nd β€˜(β„Žβ€˜π‘–))) = (π‘“β€˜(1st β€˜(β„Žβ€˜(𝑖 + 1)))))} ↦ (ℝ*𝑠 Ξ£g ((distβ€˜π‘Ÿ) ∘ 𝑔))), ℝ*, < ))⟩})
1442, 3, 4, 4, 143cmpo 7408 . 2 class (𝑓 ∈ V, π‘Ÿ ∈ V ↦ ⦋(Baseβ€˜π‘Ÿ) / π‘£β¦Œ(({⟨(Baseβ€˜ndx), ran π‘“βŸ©, ⟨(+gβ€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(+gβ€˜π‘Ÿ)π‘ž))⟩}⟩, ⟨(.rβ€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(.rβ€˜π‘Ÿ)π‘ž))⟩}⟩} βˆͺ {⟨(Scalarβ€˜ndx), (Scalarβ€˜π‘Ÿ)⟩, ⟨( ·𝑠 β€˜ndx), βˆͺ π‘ž ∈ 𝑣 (𝑝 ∈ (Baseβ€˜(Scalarβ€˜π‘Ÿ)), π‘₯ ∈ {(π‘“β€˜π‘ž)} ↦ (π‘“β€˜(𝑝( ·𝑠 β€˜π‘Ÿ)π‘ž)))⟩, ⟨(Β·π‘–β€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (𝑝(Β·π‘–β€˜π‘Ÿ)π‘ž)⟩}⟩}) βˆͺ {⟨(TopSetβ€˜ndx), ((TopOpenβ€˜π‘Ÿ) qTop 𝑓)⟩, ⟨(leβ€˜ndx), ((𝑓 ∘ (leβ€˜π‘Ÿ)) ∘ ◑𝑓)⟩, ⟨(distβ€˜ndx), (π‘₯ ∈ ran 𝑓, 𝑦 ∈ ran 𝑓 ↦ inf(βˆͺ 𝑛 ∈ β„• ran (𝑔 ∈ {β„Ž ∈ ((𝑣 Γ— 𝑣) ↑m (1...𝑛)) ∣ ((π‘“β€˜(1st β€˜(β„Žβ€˜1))) = π‘₯ ∧ (π‘“β€˜(2nd β€˜(β„Žβ€˜π‘›))) = 𝑦 ∧ βˆ€π‘– ∈ (1...(𝑛 βˆ’ 1))(π‘“β€˜(2nd β€˜(β„Žβ€˜π‘–))) = (π‘“β€˜(1st β€˜(β„Žβ€˜(𝑖 + 1)))))} ↦ (ℝ*𝑠 Ξ£g ((distβ€˜π‘Ÿ) ∘ 𝑔))), ℝ*, < ))⟩}))
1451, 144wceq 1542 1 wff β€œs = (𝑓 ∈ V, π‘Ÿ ∈ V ↦ ⦋(Baseβ€˜π‘Ÿ) / π‘£β¦Œ(({⟨(Baseβ€˜ndx), ran π‘“βŸ©, ⟨(+gβ€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(+gβ€˜π‘Ÿ)π‘ž))⟩}⟩, ⟨(.rβ€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (π‘“β€˜(𝑝(.rβ€˜π‘Ÿ)π‘ž))⟩}⟩} βˆͺ {⟨(Scalarβ€˜ndx), (Scalarβ€˜π‘Ÿ)⟩, ⟨( ·𝑠 β€˜ndx), βˆͺ π‘ž ∈ 𝑣 (𝑝 ∈ (Baseβ€˜(Scalarβ€˜π‘Ÿ)), π‘₯ ∈ {(π‘“β€˜π‘ž)} ↦ (π‘“β€˜(𝑝( ·𝑠 β€˜π‘Ÿ)π‘ž)))⟩, ⟨(Β·π‘–β€˜ndx), βˆͺ 𝑝 ∈ 𝑣 βˆͺ π‘ž ∈ 𝑣 {⟨⟨(π‘“β€˜π‘), (π‘“β€˜π‘ž)⟩, (𝑝(Β·π‘–β€˜π‘Ÿ)π‘ž)⟩}⟩}) βˆͺ {⟨(TopSetβ€˜ndx), ((TopOpenβ€˜π‘Ÿ) qTop 𝑓)⟩, ⟨(leβ€˜ndx), ((𝑓 ∘ (leβ€˜π‘Ÿ)) ∘ ◑𝑓)⟩, ⟨(distβ€˜ndx), (π‘₯ ∈ ran 𝑓, 𝑦 ∈ ran 𝑓 ↦ inf(βˆͺ 𝑛 ∈ β„• ran (𝑔 ∈ {β„Ž ∈ ((𝑣 Γ— 𝑣) ↑m (1...𝑛)) ∣ ((π‘“β€˜(1st β€˜(β„Žβ€˜1))) = π‘₯ ∧ (π‘“β€˜(2nd β€˜(β„Žβ€˜π‘›))) = 𝑦 ∧ βˆ€π‘– ∈ (1...(𝑛 βˆ’ 1))(π‘“β€˜(2nd β€˜(β„Žβ€˜π‘–))) = (π‘“β€˜(1st β€˜(β„Žβ€˜(𝑖 + 1)))))} ↦ (ℝ*𝑠 Ξ£g ((distβ€˜π‘Ÿ) ∘ 𝑔))), ℝ*, < ))⟩}))
Colors of variables: wff setvar class
This definition is referenced by:  imasval  17454
  Copyright terms: Public domain W3C validator