| Step | Hyp | Ref
| Expression |
| 1 | | aprprop.b |
. . . . . . 7
⊢
(Base‘𝐾) =
(Base‘𝐿) |
| 2 | 1 | a1i 9 |
. . . . . 6
⊢ (𝐾 ∈ Ring →
(Base‘𝐾) =
(Base‘𝐿)) |
| 3 | 2 | eleq2d 2304 |
. . . . 5
⊢ (𝐾 ∈ Ring → (𝑥 ∈ (Base‘𝐾) ↔ 𝑥 ∈ (Base‘𝐿))) |
| 4 | 2 | eleq2d 2304 |
. . . . 5
⊢ (𝐾 ∈ Ring → (𝑦 ∈ (Base‘𝐾) ↔ 𝑦 ∈ (Base‘𝐿))) |
| 5 | 3, 4 | anbi12d 473 |
. . . 4
⊢ (𝐾 ∈ Ring → ((𝑥 ∈ (Base‘𝐾) ∧ 𝑦 ∈ (Base‘𝐾)) ↔ (𝑥 ∈ (Base‘𝐿) ∧ 𝑦 ∈ (Base‘𝐿)))) |
| 6 | | aprprop.p |
. . . . . . . 8
⊢
(+g‘𝐾) = (+g‘𝐿) |
| 7 | 6 | a1i 9 |
. . . . . . 7
⊢ (𝐾 ∈ Ring →
(+g‘𝐾) =
(+g‘𝐿)) |
| 8 | | id 19 |
. . . . . . 7
⊢ (𝐾 ∈ Ring → 𝐾 ∈ Ring) |
| 9 | | aprprop.m |
. . . . . . . . 9
⊢
(.r‘𝐾) = (.r‘𝐿) |
| 10 | 1, 6, 9 | ringprop 14205 |
. . . . . . . 8
⊢ (𝐾 ∈ Ring ↔ 𝐿 ∈ Ring) |
| 11 | 10 | biimpi 120 |
. . . . . . 7
⊢ (𝐾 ∈ Ring → 𝐿 ∈ Ring) |
| 12 | 2, 7, 8, 11 | grpsubpropdg 13838 |
. . . . . 6
⊢ (𝐾 ∈ Ring →
(-g‘𝐾) =
(-g‘𝐿)) |
| 13 | 12 | oveqd 6069 |
. . . . 5
⊢ (𝐾 ∈ Ring → (𝑥(-g‘𝐾)𝑦) = (𝑥(-g‘𝐿)𝑦)) |
| 14 | | eqidd 2235 |
. . . . . 6
⊢ (𝐾 ∈ Ring →
(Base‘𝐾) =
(Base‘𝐾)) |
| 15 | 9 | a1i 9 |
. . . . . . 7
⊢ (𝐾 ∈ Ring →
(.r‘𝐾) =
(.r‘𝐿)) |
| 16 | 15 | oveqdr 6080 |
. . . . . 6
⊢ ((𝐾 ∈ Ring ∧ (𝑥 ∈ (Base‘𝐾) ∧ 𝑦 ∈ (Base‘𝐾))) → (𝑥(.r‘𝐾)𝑦) = (𝑥(.r‘𝐿)𝑦)) |
| 17 | 14, 2, 16, 8, 11 | unitpropdg 14315 |
. . . . 5
⊢ (𝐾 ∈ Ring →
(Unit‘𝐾) =
(Unit‘𝐿)) |
| 18 | 13, 17 | eleq12d 2305 |
. . . 4
⊢ (𝐾 ∈ Ring → ((𝑥(-g‘𝐾)𝑦) ∈ (Unit‘𝐾) ↔ (𝑥(-g‘𝐿)𝑦) ∈ (Unit‘𝐿))) |
| 19 | 5, 18 | anbi12d 473 |
. . 3
⊢ (𝐾 ∈ Ring → (((𝑥 ∈ (Base‘𝐾) ∧ 𝑦 ∈ (Base‘𝐾)) ∧ (𝑥(-g‘𝐾)𝑦) ∈ (Unit‘𝐾)) ↔ ((𝑥 ∈ (Base‘𝐿) ∧ 𝑦 ∈ (Base‘𝐿)) ∧ (𝑥(-g‘𝐿)𝑦) ∈ (Unit‘𝐿)))) |
| 20 | 19 | opabbidv 4178 |
. 2
⊢ (𝐾 ∈ Ring → {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ (Base‘𝐾) ∧ 𝑦 ∈ (Base‘𝐾)) ∧ (𝑥(-g‘𝐾)𝑦) ∈ (Unit‘𝐾))} = {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ (Base‘𝐿) ∧ 𝑦 ∈ (Base‘𝐿)) ∧ (𝑥(-g‘𝐿)𝑦) ∈ (Unit‘𝐿))}) |
| 21 | | df-apr 14450 |
. . 3
⊢
#r = (𝑟
∈ V ↦ {〈𝑥,
𝑦〉 ∣ ((𝑥 ∈ (Base‘𝑟) ∧ 𝑦 ∈ (Base‘𝑟)) ∧ (𝑥(-g‘𝑟)𝑦) ∈ (Unit‘𝑟))}) |
| 22 | | fveq2 5672 |
. . . . . . 7
⊢ (𝑟 = 𝐾 → (Base‘𝑟) = (Base‘𝐾)) |
| 23 | 22 | eleq2d 2304 |
. . . . . 6
⊢ (𝑟 = 𝐾 → (𝑥 ∈ (Base‘𝑟) ↔ 𝑥 ∈ (Base‘𝐾))) |
| 24 | 22 | eleq2d 2304 |
. . . . . 6
⊢ (𝑟 = 𝐾 → (𝑦 ∈ (Base‘𝑟) ↔ 𝑦 ∈ (Base‘𝐾))) |
| 25 | 23, 24 | anbi12d 473 |
. . . . 5
⊢ (𝑟 = 𝐾 → ((𝑥 ∈ (Base‘𝑟) ∧ 𝑦 ∈ (Base‘𝑟)) ↔ (𝑥 ∈ (Base‘𝐾) ∧ 𝑦 ∈ (Base‘𝐾)))) |
| 26 | | fveq2 5672 |
. . . . . . 7
⊢ (𝑟 = 𝐾 → (-g‘𝑟) = (-g‘𝐾)) |
| 27 | 26 | oveqd 6069 |
. . . . . 6
⊢ (𝑟 = 𝐾 → (𝑥(-g‘𝑟)𝑦) = (𝑥(-g‘𝐾)𝑦)) |
| 28 | | fveq2 5672 |
. . . . . 6
⊢ (𝑟 = 𝐾 → (Unit‘𝑟) = (Unit‘𝐾)) |
| 29 | 27, 28 | eleq12d 2305 |
. . . . 5
⊢ (𝑟 = 𝐾 → ((𝑥(-g‘𝑟)𝑦) ∈ (Unit‘𝑟) ↔ (𝑥(-g‘𝐾)𝑦) ∈ (Unit‘𝐾))) |
| 30 | 25, 29 | anbi12d 473 |
. . . 4
⊢ (𝑟 = 𝐾 → (((𝑥 ∈ (Base‘𝑟) ∧ 𝑦 ∈ (Base‘𝑟)) ∧ (𝑥(-g‘𝑟)𝑦) ∈ (Unit‘𝑟)) ↔ ((𝑥 ∈ (Base‘𝐾) ∧ 𝑦 ∈ (Base‘𝐾)) ∧ (𝑥(-g‘𝐾)𝑦) ∈ (Unit‘𝐾)))) |
| 31 | 30 | opabbidv 4178 |
. . 3
⊢ (𝑟 = 𝐾 → {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ (Base‘𝑟) ∧ 𝑦 ∈ (Base‘𝑟)) ∧ (𝑥(-g‘𝑟)𝑦) ∈ (Unit‘𝑟))} = {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ (Base‘𝐾) ∧ 𝑦 ∈ (Base‘𝐾)) ∧ (𝑥(-g‘𝐾)𝑦) ∈ (Unit‘𝐾))}) |
| 32 | | elex 2827 |
. . 3
⊢ (𝐾 ∈ Ring → 𝐾 ∈ V) |
| 33 | | basfn 13292 |
. . . . . 6
⊢ Base Fn
V |
| 34 | | funfvex 5689 |
. . . . . . 7
⊢ ((Fun
Base ∧ 𝐾 ∈ dom
Base) → (Base‘𝐾)
∈ V) |
| 35 | 34 | funfni 5460 |
. . . . . 6
⊢ ((Base Fn
V ∧ 𝐾 ∈ V) →
(Base‘𝐾) ∈
V) |
| 36 | 33, 32, 35 | sylancr 414 |
. . . . 5
⊢ (𝐾 ∈ Ring →
(Base‘𝐾) ∈
V) |
| 37 | 36, 36 | xpexd 4867 |
. . . 4
⊢ (𝐾 ∈ Ring →
((Base‘𝐾) ×
(Base‘𝐾)) ∈
V) |
| 38 | | opabssxp 4826 |
. . . . 5
⊢
{〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ (Base‘𝐾) ∧ 𝑦 ∈ (Base‘𝐾)) ∧ (𝑥(-g‘𝐾)𝑦) ∈ (Unit‘𝐾))} ⊆ ((Base‘𝐾) × (Base‘𝐾)) |
| 39 | 38 | a1i 9 |
. . . 4
⊢ (𝐾 ∈ Ring → {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ (Base‘𝐾) ∧ 𝑦 ∈ (Base‘𝐾)) ∧ (𝑥(-g‘𝐾)𝑦) ∈ (Unit‘𝐾))} ⊆ ((Base‘𝐾) × (Base‘𝐾))) |
| 40 | 37, 39 | ssexd 4252 |
. . 3
⊢ (𝐾 ∈ Ring → {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ (Base‘𝐾) ∧ 𝑦 ∈ (Base‘𝐾)) ∧ (𝑥(-g‘𝐾)𝑦) ∈ (Unit‘𝐾))} ∈ V) |
| 41 | 21, 31, 32, 40 | fvmptd3 5773 |
. 2
⊢ (𝐾 ∈ Ring →
(#r‘𝐾) =
{〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ (Base‘𝐾) ∧ 𝑦 ∈ (Base‘𝐾)) ∧ (𝑥(-g‘𝐾)𝑦) ∈ (Unit‘𝐾))}) |
| 42 | | fveq2 5672 |
. . . . . . 7
⊢ (𝑟 = 𝐿 → (Base‘𝑟) = (Base‘𝐿)) |
| 43 | 42 | eleq2d 2304 |
. . . . . 6
⊢ (𝑟 = 𝐿 → (𝑥 ∈ (Base‘𝑟) ↔ 𝑥 ∈ (Base‘𝐿))) |
| 44 | 42 | eleq2d 2304 |
. . . . . 6
⊢ (𝑟 = 𝐿 → (𝑦 ∈ (Base‘𝑟) ↔ 𝑦 ∈ (Base‘𝐿))) |
| 45 | 43, 44 | anbi12d 473 |
. . . . 5
⊢ (𝑟 = 𝐿 → ((𝑥 ∈ (Base‘𝑟) ∧ 𝑦 ∈ (Base‘𝑟)) ↔ (𝑥 ∈ (Base‘𝐿) ∧ 𝑦 ∈ (Base‘𝐿)))) |
| 46 | | fveq2 5672 |
. . . . . . 7
⊢ (𝑟 = 𝐿 → (-g‘𝑟) = (-g‘𝐿)) |
| 47 | 46 | oveqd 6069 |
. . . . . 6
⊢ (𝑟 = 𝐿 → (𝑥(-g‘𝑟)𝑦) = (𝑥(-g‘𝐿)𝑦)) |
| 48 | | fveq2 5672 |
. . . . . 6
⊢ (𝑟 = 𝐿 → (Unit‘𝑟) = (Unit‘𝐿)) |
| 49 | 47, 48 | eleq12d 2305 |
. . . . 5
⊢ (𝑟 = 𝐿 → ((𝑥(-g‘𝑟)𝑦) ∈ (Unit‘𝑟) ↔ (𝑥(-g‘𝐿)𝑦) ∈ (Unit‘𝐿))) |
| 50 | 45, 49 | anbi12d 473 |
. . . 4
⊢ (𝑟 = 𝐿 → (((𝑥 ∈ (Base‘𝑟) ∧ 𝑦 ∈ (Base‘𝑟)) ∧ (𝑥(-g‘𝑟)𝑦) ∈ (Unit‘𝑟)) ↔ ((𝑥 ∈ (Base‘𝐿) ∧ 𝑦 ∈ (Base‘𝐿)) ∧ (𝑥(-g‘𝐿)𝑦) ∈ (Unit‘𝐿)))) |
| 51 | 50 | opabbidv 4178 |
. . 3
⊢ (𝑟 = 𝐿 → {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ (Base‘𝑟) ∧ 𝑦 ∈ (Base‘𝑟)) ∧ (𝑥(-g‘𝑟)𝑦) ∈ (Unit‘𝑟))} = {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ (Base‘𝐿) ∧ 𝑦 ∈ (Base‘𝐿)) ∧ (𝑥(-g‘𝐿)𝑦) ∈ (Unit‘𝐿))}) |
| 52 | 11 | elexd 2829 |
. . 3
⊢ (𝐾 ∈ Ring → 𝐿 ∈ V) |
| 53 | 1, 36 | eqeltrrid 2322 |
. . . . 5
⊢ (𝐾 ∈ Ring →
(Base‘𝐿) ∈
V) |
| 54 | 53, 53 | xpexd 4867 |
. . . 4
⊢ (𝐾 ∈ Ring →
((Base‘𝐿) ×
(Base‘𝐿)) ∈
V) |
| 55 | | opabssxp 4826 |
. . . . 5
⊢
{〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ (Base‘𝐿) ∧ 𝑦 ∈ (Base‘𝐿)) ∧ (𝑥(-g‘𝐿)𝑦) ∈ (Unit‘𝐿))} ⊆ ((Base‘𝐿) × (Base‘𝐿)) |
| 56 | 55 | a1i 9 |
. . . 4
⊢ (𝐾 ∈ Ring → {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ (Base‘𝐿) ∧ 𝑦 ∈ (Base‘𝐿)) ∧ (𝑥(-g‘𝐿)𝑦) ∈ (Unit‘𝐿))} ⊆ ((Base‘𝐿) × (Base‘𝐿))) |
| 57 | 54, 56 | ssexd 4252 |
. . 3
⊢ (𝐾 ∈ Ring → {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ (Base‘𝐿) ∧ 𝑦 ∈ (Base‘𝐿)) ∧ (𝑥(-g‘𝐿)𝑦) ∈ (Unit‘𝐿))} ∈ V) |
| 58 | 21, 51, 52, 57 | fvmptd3 5773 |
. 2
⊢ (𝐾 ∈ Ring →
(#r‘𝐿) =
{〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ (Base‘𝐿) ∧ 𝑦 ∈ (Base‘𝐿)) ∧ (𝑥(-g‘𝐿)𝑦) ∈ (Unit‘𝐿))}) |
| 59 | 20, 41, 58 | 3eqtr4d 2277 |
1
⊢ (𝐾 ∈ Ring →
(#r‘𝐾) =
(#r‘𝐿)) |