Step | Hyp | Ref
| Expression |
1 | | srgmnd 19745 |
. . . 4
⊢ (𝑅 ∈ SRing → 𝑅 ∈ Mnd) |
2 | 1, 1 | jca 512 |
. . 3
⊢ (𝑅 ∈ SRing → (𝑅 ∈ Mnd ∧ 𝑅 ∈ Mnd)) |
3 | 2 | adantr 481 |
. 2
⊢ ((𝑅 ∈ SRing ∧ 𝑋 ∈ 𝐵) → (𝑅 ∈ Mnd ∧ 𝑅 ∈ Mnd)) |
4 | | srglmhm.b |
. . . . . . 7
⊢ 𝐵 = (Base‘𝑅) |
5 | | srglmhm.t |
. . . . . . 7
⊢ · =
(.r‘𝑅) |
6 | 4, 5 | srgcl 19748 |
. . . . . 6
⊢ ((𝑅 ∈ SRing ∧ 𝑥 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → (𝑥 · 𝑋) ∈ 𝐵) |
7 | 6 | 3com23 1125 |
. . . . 5
⊢ ((𝑅 ∈ SRing ∧ 𝑋 ∈ 𝐵 ∧ 𝑥 ∈ 𝐵) → (𝑥 · 𝑋) ∈ 𝐵) |
8 | 7 | 3expa 1117 |
. . . 4
⊢ (((𝑅 ∈ SRing ∧ 𝑋 ∈ 𝐵) ∧ 𝑥 ∈ 𝐵) → (𝑥 · 𝑋) ∈ 𝐵) |
9 | 8 | fmpttd 6989 |
. . 3
⊢ ((𝑅 ∈ SRing ∧ 𝑋 ∈ 𝐵) → (𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋)):𝐵⟶𝐵) |
10 | | 3anrot 1099 |
. . . . . . . 8
⊢ ((𝑋 ∈ 𝐵 ∧ 𝑎 ∈ 𝐵 ∧ 𝑏 ∈ 𝐵) ↔ (𝑎 ∈ 𝐵 ∧ 𝑏 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵)) |
11 | | 3anass 1094 |
. . . . . . . 8
⊢ ((𝑋 ∈ 𝐵 ∧ 𝑎 ∈ 𝐵 ∧ 𝑏 ∈ 𝐵) ↔ (𝑋 ∈ 𝐵 ∧ (𝑎 ∈ 𝐵 ∧ 𝑏 ∈ 𝐵))) |
12 | 10, 11 | bitr3i 276 |
. . . . . . 7
⊢ ((𝑎 ∈ 𝐵 ∧ 𝑏 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ↔ (𝑋 ∈ 𝐵 ∧ (𝑎 ∈ 𝐵 ∧ 𝑏 ∈ 𝐵))) |
13 | | eqid 2738 |
. . . . . . . 8
⊢
(+g‘𝑅) = (+g‘𝑅) |
14 | 4, 13, 5 | srgdir 19753 |
. . . . . . 7
⊢ ((𝑅 ∈ SRing ∧ (𝑎 ∈ 𝐵 ∧ 𝑏 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵)) → ((𝑎(+g‘𝑅)𝑏) · 𝑋) = ((𝑎 · 𝑋)(+g‘𝑅)(𝑏 · 𝑋))) |
15 | 12, 14 | sylan2br 595 |
. . . . . 6
⊢ ((𝑅 ∈ SRing ∧ (𝑋 ∈ 𝐵 ∧ (𝑎 ∈ 𝐵 ∧ 𝑏 ∈ 𝐵))) → ((𝑎(+g‘𝑅)𝑏) · 𝑋) = ((𝑎 · 𝑋)(+g‘𝑅)(𝑏 · 𝑋))) |
16 | 15 | anassrs 468 |
. . . . 5
⊢ (((𝑅 ∈ SRing ∧ 𝑋 ∈ 𝐵) ∧ (𝑎 ∈ 𝐵 ∧ 𝑏 ∈ 𝐵)) → ((𝑎(+g‘𝑅)𝑏) · 𝑋) = ((𝑎 · 𝑋)(+g‘𝑅)(𝑏 · 𝑋))) |
17 | 4, 13 | srgacl 19760 |
. . . . . . . 8
⊢ ((𝑅 ∈ SRing ∧ 𝑎 ∈ 𝐵 ∧ 𝑏 ∈ 𝐵) → (𝑎(+g‘𝑅)𝑏) ∈ 𝐵) |
18 | 17 | 3expb 1119 |
. . . . . . 7
⊢ ((𝑅 ∈ SRing ∧ (𝑎 ∈ 𝐵 ∧ 𝑏 ∈ 𝐵)) → (𝑎(+g‘𝑅)𝑏) ∈ 𝐵) |
19 | 18 | adantlr 712 |
. . . . . 6
⊢ (((𝑅 ∈ SRing ∧ 𝑋 ∈ 𝐵) ∧ (𝑎 ∈ 𝐵 ∧ 𝑏 ∈ 𝐵)) → (𝑎(+g‘𝑅)𝑏) ∈ 𝐵) |
20 | | oveq1 7282 |
. . . . . . 7
⊢ (𝑥 = (𝑎(+g‘𝑅)𝑏) → (𝑥 · 𝑋) = ((𝑎(+g‘𝑅)𝑏) · 𝑋)) |
21 | | eqid 2738 |
. . . . . . 7
⊢ (𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋)) = (𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋)) |
22 | | ovex 7308 |
. . . . . . 7
⊢ ((𝑎(+g‘𝑅)𝑏) · 𝑋) ∈ V |
23 | 20, 21, 22 | fvmpt 6875 |
. . . . . 6
⊢ ((𝑎(+g‘𝑅)𝑏) ∈ 𝐵 → ((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘(𝑎(+g‘𝑅)𝑏)) = ((𝑎(+g‘𝑅)𝑏) · 𝑋)) |
24 | 19, 23 | syl 17 |
. . . . 5
⊢ (((𝑅 ∈ SRing ∧ 𝑋 ∈ 𝐵) ∧ (𝑎 ∈ 𝐵 ∧ 𝑏 ∈ 𝐵)) → ((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘(𝑎(+g‘𝑅)𝑏)) = ((𝑎(+g‘𝑅)𝑏) · 𝑋)) |
25 | | oveq1 7282 |
. . . . . . . 8
⊢ (𝑥 = 𝑎 → (𝑥 · 𝑋) = (𝑎 · 𝑋)) |
26 | | ovex 7308 |
. . . . . . . 8
⊢ (𝑎 · 𝑋) ∈ V |
27 | 25, 21, 26 | fvmpt 6875 |
. . . . . . 7
⊢ (𝑎 ∈ 𝐵 → ((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘𝑎) = (𝑎 · 𝑋)) |
28 | | oveq1 7282 |
. . . . . . . 8
⊢ (𝑥 = 𝑏 → (𝑥 · 𝑋) = (𝑏 · 𝑋)) |
29 | | ovex 7308 |
. . . . . . . 8
⊢ (𝑏 · 𝑋) ∈ V |
30 | 28, 21, 29 | fvmpt 6875 |
. . . . . . 7
⊢ (𝑏 ∈ 𝐵 → ((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘𝑏) = (𝑏 · 𝑋)) |
31 | 27, 30 | oveqan12d 7294 |
. . . . . 6
⊢ ((𝑎 ∈ 𝐵 ∧ 𝑏 ∈ 𝐵) → (((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘𝑎)(+g‘𝑅)((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘𝑏)) = ((𝑎 · 𝑋)(+g‘𝑅)(𝑏 · 𝑋))) |
32 | 31 | adantl 482 |
. . . . 5
⊢ (((𝑅 ∈ SRing ∧ 𝑋 ∈ 𝐵) ∧ (𝑎 ∈ 𝐵 ∧ 𝑏 ∈ 𝐵)) → (((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘𝑎)(+g‘𝑅)((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘𝑏)) = ((𝑎 · 𝑋)(+g‘𝑅)(𝑏 · 𝑋))) |
33 | 16, 24, 32 | 3eqtr4d 2788 |
. . . 4
⊢ (((𝑅 ∈ SRing ∧ 𝑋 ∈ 𝐵) ∧ (𝑎 ∈ 𝐵 ∧ 𝑏 ∈ 𝐵)) → ((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘(𝑎(+g‘𝑅)𝑏)) = (((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘𝑎)(+g‘𝑅)((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘𝑏))) |
34 | 33 | ralrimivva 3123 |
. . 3
⊢ ((𝑅 ∈ SRing ∧ 𝑋 ∈ 𝐵) → ∀𝑎 ∈ 𝐵 ∀𝑏 ∈ 𝐵 ((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘(𝑎(+g‘𝑅)𝑏)) = (((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘𝑎)(+g‘𝑅)((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘𝑏))) |
35 | | eqid 2738 |
. . . . . . 7
⊢
(0g‘𝑅) = (0g‘𝑅) |
36 | 4, 35 | srg0cl 19755 |
. . . . . 6
⊢ (𝑅 ∈ SRing →
(0g‘𝑅)
∈ 𝐵) |
37 | 36 | adantr 481 |
. . . . 5
⊢ ((𝑅 ∈ SRing ∧ 𝑋 ∈ 𝐵) → (0g‘𝑅) ∈ 𝐵) |
38 | | oveq1 7282 |
. . . . . 6
⊢ (𝑥 = (0g‘𝑅) → (𝑥 · 𝑋) = ((0g‘𝑅) · 𝑋)) |
39 | | ovex 7308 |
. . . . . 6
⊢
((0g‘𝑅) · 𝑋) ∈ V |
40 | 38, 21, 39 | fvmpt 6875 |
. . . . 5
⊢
((0g‘𝑅) ∈ 𝐵 → ((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘(0g‘𝑅)) = ((0g‘𝑅) · 𝑋)) |
41 | 37, 40 | syl 17 |
. . . 4
⊢ ((𝑅 ∈ SRing ∧ 𝑋 ∈ 𝐵) → ((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘(0g‘𝑅)) = ((0g‘𝑅) · 𝑋)) |
42 | 4, 5, 35 | srglz 19763 |
. . . 4
⊢ ((𝑅 ∈ SRing ∧ 𝑋 ∈ 𝐵) → ((0g‘𝑅) · 𝑋) = (0g‘𝑅)) |
43 | 41, 42 | eqtrd 2778 |
. . 3
⊢ ((𝑅 ∈ SRing ∧ 𝑋 ∈ 𝐵) → ((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘(0g‘𝑅)) = (0g‘𝑅)) |
44 | 9, 34, 43 | 3jca 1127 |
. 2
⊢ ((𝑅 ∈ SRing ∧ 𝑋 ∈ 𝐵) → ((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋)):𝐵⟶𝐵 ∧ ∀𝑎 ∈ 𝐵 ∀𝑏 ∈ 𝐵 ((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘(𝑎(+g‘𝑅)𝑏)) = (((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘𝑎)(+g‘𝑅)((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘𝑏)) ∧ ((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘(0g‘𝑅)) = (0g‘𝑅))) |
45 | 4, 4, 13, 13, 35, 35 | ismhm 18432 |
. 2
⊢ ((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋)) ∈ (𝑅 MndHom 𝑅) ↔ ((𝑅 ∈ Mnd ∧ 𝑅 ∈ Mnd) ∧ ((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋)):𝐵⟶𝐵 ∧ ∀𝑎 ∈ 𝐵 ∀𝑏 ∈ 𝐵 ((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘(𝑎(+g‘𝑅)𝑏)) = (((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘𝑎)(+g‘𝑅)((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘𝑏)) ∧ ((𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋))‘(0g‘𝑅)) = (0g‘𝑅)))) |
46 | 3, 44, 45 | sylanbrc 583 |
1
⊢ ((𝑅 ∈ SRing ∧ 𝑋 ∈ 𝐵) → (𝑥 ∈ 𝐵 ↦ (𝑥 · 𝑋)) ∈ (𝑅 MndHom 𝑅)) |