Proof of Theorem sralem
Step | Hyp | Ref
| Expression |
1 | | sralem.1 |
. . . . . 6
⊢ 𝐸 = Slot 𝑁 |
2 | | sralem.2 |
. . . . . 6
⊢ 𝑁 ∈ ℕ |
3 | 1, 2 | ndxid 16748 |
. . . . 5
⊢ 𝐸 = Slot (𝐸‘ndx) |
4 | | sralem.3 |
. . . . . . 7
⊢ (𝑁 < 5 ∨ 8 < 𝑁) |
5 | 2 | nnrei 11839 |
. . . . . . . . . 10
⊢ 𝑁 ∈ ℝ |
6 | | 5re 11917 |
. . . . . . . . . 10
⊢ 5 ∈
ℝ |
7 | 5, 6 | ltnei 10956 |
. . . . . . . . 9
⊢ (𝑁 < 5 → 5 ≠ 𝑁) |
8 | 7 | necomd 2996 |
. . . . . . . 8
⊢ (𝑁 < 5 → 𝑁 ≠ 5) |
9 | | 5lt8 12024 |
. . . . . . . . . 10
⊢ 5 <
8 |
10 | | 8re 11926 |
. . . . . . . . . . 11
⊢ 8 ∈
ℝ |
11 | 6, 10, 5 | lttri 10958 |
. . . . . . . . . 10
⊢ ((5 <
8 ∧ 8 < 𝑁) → 5
< 𝑁) |
12 | 9, 11 | mpan 690 |
. . . . . . . . 9
⊢ (8 <
𝑁 → 5 < 𝑁) |
13 | 6, 5 | ltnei 10956 |
. . . . . . . . 9
⊢ (5 <
𝑁 → 𝑁 ≠ 5) |
14 | 12, 13 | syl 17 |
. . . . . . . 8
⊢ (8 <
𝑁 → 𝑁 ≠ 5) |
15 | 8, 14 | jaoi 857 |
. . . . . . 7
⊢ ((𝑁 < 5 ∨ 8 < 𝑁) → 𝑁 ≠ 5) |
16 | 4, 15 | ax-mp 5 |
. . . . . 6
⊢ 𝑁 ≠ 5 |
17 | 1, 2 | ndxarg 16747 |
. . . . . . 7
⊢ (𝐸‘ndx) = 𝑁 |
18 | | scandx 16855 |
. . . . . . 7
⊢
(Scalar‘ndx) = 5 |
19 | 17, 18 | neeq12i 3007 |
. . . . . 6
⊢ ((𝐸‘ndx) ≠
(Scalar‘ndx) ↔ 𝑁
≠ 5) |
20 | 16, 19 | mpbir 234 |
. . . . 5
⊢ (𝐸‘ndx) ≠
(Scalar‘ndx) |
21 | 3, 20 | setsnid 16759 |
. . . 4
⊢ (𝐸‘𝑊) = (𝐸‘(𝑊 sSet 〈(Scalar‘ndx), (𝑊 ↾s 𝑆)〉)) |
22 | | 5lt6 12011 |
. . . . . . . . . . 11
⊢ 5 <
6 |
23 | | 6re 11920 |
. . . . . . . . . . . 12
⊢ 6 ∈
ℝ |
24 | 5, 6, 23 | lttri 10958 |
. . . . . . . . . . 11
⊢ ((𝑁 < 5 ∧ 5 < 6) →
𝑁 < 6) |
25 | 22, 24 | mpan2 691 |
. . . . . . . . . 10
⊢ (𝑁 < 5 → 𝑁 < 6) |
26 | 5, 23 | ltnei 10956 |
. . . . . . . . . 10
⊢ (𝑁 < 6 → 6 ≠ 𝑁) |
27 | 25, 26 | syl 17 |
. . . . . . . . 9
⊢ (𝑁 < 5 → 6 ≠ 𝑁) |
28 | 27 | necomd 2996 |
. . . . . . . 8
⊢ (𝑁 < 5 → 𝑁 ≠ 6) |
29 | | 6lt8 12023 |
. . . . . . . . . 10
⊢ 6 <
8 |
30 | 23, 10, 5 | lttri 10958 |
. . . . . . . . . 10
⊢ ((6 <
8 ∧ 8 < 𝑁) → 6
< 𝑁) |
31 | 29, 30 | mpan 690 |
. . . . . . . . 9
⊢ (8 <
𝑁 → 6 < 𝑁) |
32 | 23, 5 | ltnei 10956 |
. . . . . . . . 9
⊢ (6 <
𝑁 → 𝑁 ≠ 6) |
33 | 31, 32 | syl 17 |
. . . . . . . 8
⊢ (8 <
𝑁 → 𝑁 ≠ 6) |
34 | 28, 33 | jaoi 857 |
. . . . . . 7
⊢ ((𝑁 < 5 ∨ 8 < 𝑁) → 𝑁 ≠ 6) |
35 | 4, 34 | ax-mp 5 |
. . . . . 6
⊢ 𝑁 ≠ 6 |
36 | | vscandx 16858 |
. . . . . . 7
⊢ (
·𝑠 ‘ndx) = 6 |
37 | 17, 36 | neeq12i 3007 |
. . . . . 6
⊢ ((𝐸‘ndx) ≠ (
·𝑠 ‘ndx) ↔ 𝑁 ≠ 6) |
38 | 35, 37 | mpbir 234 |
. . . . 5
⊢ (𝐸‘ndx) ≠ (
·𝑠 ‘ndx) |
39 | 3, 38 | setsnid 16759 |
. . . 4
⊢ (𝐸‘(𝑊 sSet 〈(Scalar‘ndx), (𝑊 ↾s 𝑆)〉)) = (𝐸‘((𝑊 sSet 〈(Scalar‘ndx), (𝑊 ↾s 𝑆)〉) sSet 〈(
·𝑠 ‘ndx), (.r‘𝑊)〉)) |
40 | 5, 6, 10 | lttri 10958 |
. . . . . . . . . . 11
⊢ ((𝑁 < 5 ∧ 5 < 8) →
𝑁 < 8) |
41 | 9, 40 | mpan2 691 |
. . . . . . . . . 10
⊢ (𝑁 < 5 → 𝑁 < 8) |
42 | 5, 10 | ltnei 10956 |
. . . . . . . . . 10
⊢ (𝑁 < 8 → 8 ≠ 𝑁) |
43 | 41, 42 | syl 17 |
. . . . . . . . 9
⊢ (𝑁 < 5 → 8 ≠ 𝑁) |
44 | 43 | necomd 2996 |
. . . . . . . 8
⊢ (𝑁 < 5 → 𝑁 ≠ 8) |
45 | 10, 5 | ltnei 10956 |
. . . . . . . 8
⊢ (8 <
𝑁 → 𝑁 ≠ 8) |
46 | 44, 45 | jaoi 857 |
. . . . . . 7
⊢ ((𝑁 < 5 ∨ 8 < 𝑁) → 𝑁 ≠ 8) |
47 | 4, 46 | ax-mp 5 |
. . . . . 6
⊢ 𝑁 ≠ 8 |
48 | | ipndx 16866 |
. . . . . . 7
⊢
(·𝑖‘ndx) = 8 |
49 | 17, 48 | neeq12i 3007 |
. . . . . 6
⊢ ((𝐸‘ndx) ≠
(·𝑖‘ndx) ↔ 𝑁 ≠ 8) |
50 | 47, 49 | mpbir 234 |
. . . . 5
⊢ (𝐸‘ndx) ≠
(·𝑖‘ndx) |
51 | 3, 50 | setsnid 16759 |
. . . 4
⊢ (𝐸‘((𝑊 sSet 〈(Scalar‘ndx), (𝑊 ↾s 𝑆)〉) sSet 〈(
·𝑠 ‘ndx), (.r‘𝑊)〉)) = (𝐸‘(((𝑊 sSet 〈(Scalar‘ndx), (𝑊 ↾s 𝑆)〉) sSet 〈(
·𝑠 ‘ndx), (.r‘𝑊)〉) sSet
〈(·𝑖‘ndx),
(.r‘𝑊)〉)) |
52 | 21, 39, 51 | 3eqtri 2769 |
. . 3
⊢ (𝐸‘𝑊) = (𝐸‘(((𝑊 sSet 〈(Scalar‘ndx), (𝑊 ↾s 𝑆)〉) sSet 〈(
·𝑠 ‘ndx), (.r‘𝑊)〉) sSet
〈(·𝑖‘ndx),
(.r‘𝑊)〉)) |
53 | | srapart.a |
. . . . . 6
⊢ (𝜑 → 𝐴 = ((subringAlg ‘𝑊)‘𝑆)) |
54 | 53 | adantl 485 |
. . . . 5
⊢ ((𝑊 ∈ V ∧ 𝜑) → 𝐴 = ((subringAlg ‘𝑊)‘𝑆)) |
55 | | srapart.s |
. . . . . 6
⊢ (𝜑 → 𝑆 ⊆ (Base‘𝑊)) |
56 | | sraval 20213 |
. . . . . 6
⊢ ((𝑊 ∈ V ∧ 𝑆 ⊆ (Base‘𝑊)) → ((subringAlg
‘𝑊)‘𝑆) = (((𝑊 sSet 〈(Scalar‘ndx), (𝑊 ↾s 𝑆)〉) sSet 〈(
·𝑠 ‘ndx), (.r‘𝑊)〉) sSet
〈(·𝑖‘ndx),
(.r‘𝑊)〉)) |
57 | 55, 56 | sylan2 596 |
. . . . 5
⊢ ((𝑊 ∈ V ∧ 𝜑) → ((subringAlg ‘𝑊)‘𝑆) = (((𝑊 sSet 〈(Scalar‘ndx), (𝑊 ↾s 𝑆)〉) sSet 〈(
·𝑠 ‘ndx), (.r‘𝑊)〉) sSet
〈(·𝑖‘ndx),
(.r‘𝑊)〉)) |
58 | 54, 57 | eqtrd 2777 |
. . . 4
⊢ ((𝑊 ∈ V ∧ 𝜑) → 𝐴 = (((𝑊 sSet 〈(Scalar‘ndx), (𝑊 ↾s 𝑆)〉) sSet 〈(
·𝑠 ‘ndx), (.r‘𝑊)〉) sSet
〈(·𝑖‘ndx),
(.r‘𝑊)〉)) |
59 | 58 | fveq2d 6721 |
. . 3
⊢ ((𝑊 ∈ V ∧ 𝜑) → (𝐸‘𝐴) = (𝐸‘(((𝑊 sSet 〈(Scalar‘ndx), (𝑊 ↾s 𝑆)〉) sSet 〈(
·𝑠 ‘ndx), (.r‘𝑊)〉) sSet
〈(·𝑖‘ndx),
(.r‘𝑊)〉))) |
60 | 52, 59 | eqtr4id 2797 |
. 2
⊢ ((𝑊 ∈ V ∧ 𝜑) → (𝐸‘𝑊) = (𝐸‘𝐴)) |
61 | 1 | str0 16742 |
. . 3
⊢ ∅ =
(𝐸‘∅) |
62 | | fvprc 6709 |
. . . 4
⊢ (¬
𝑊 ∈ V → (𝐸‘𝑊) = ∅) |
63 | 62 | adantr 484 |
. . 3
⊢ ((¬
𝑊 ∈ V ∧ 𝜑) → (𝐸‘𝑊) = ∅) |
64 | | fv2prc 6757 |
. . . . 5
⊢ (¬
𝑊 ∈ V →
((subringAlg ‘𝑊)‘𝑆) = ∅) |
65 | 53, 64 | sylan9eqr 2800 |
. . . 4
⊢ ((¬
𝑊 ∈ V ∧ 𝜑) → 𝐴 = ∅) |
66 | 65 | fveq2d 6721 |
. . 3
⊢ ((¬
𝑊 ∈ V ∧ 𝜑) → (𝐸‘𝐴) = (𝐸‘∅)) |
67 | 61, 63, 66 | 3eqtr4a 2804 |
. 2
⊢ ((¬
𝑊 ∈ V ∧ 𝜑) → (𝐸‘𝑊) = (𝐸‘𝐴)) |
68 | 60, 67 | pm2.61ian 812 |
1
⊢ (𝜑 → (𝐸‘𝑊) = (𝐸‘𝐴)) |