| Step | Hyp | Ref
| Expression |
| 1 | | abvpropd.1 |
. . . . 5
⊢ (𝜑 → 𝐵 = (Base‘𝐾)) |
| 2 | | abvpropd.2 |
. . . . 5
⊢ (𝜑 → 𝐵 = (Base‘𝐿)) |
| 3 | | abvpropd.3 |
. . . . 5
⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(+g‘𝐾)𝑦) = (𝑥(+g‘𝐿)𝑦)) |
| 4 | | abvpropd.4 |
. . . . 5
⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(.r‘𝐾)𝑦) = (𝑥(.r‘𝐿)𝑦)) |
| 5 | 1, 2, 3, 4 | ringpropd 20285 |
. . . 4
⊢ (𝜑 → (𝐾 ∈ Ring ↔ 𝐿 ∈ Ring)) |
| 6 | 1, 2 | eqtr3d 2779 |
. . . . . 6
⊢ (𝜑 → (Base‘𝐾) = (Base‘𝐿)) |
| 7 | 6 | feq2d 6722 |
. . . . 5
⊢ (𝜑 → (𝑓:(Base‘𝐾)⟶(0[,)+∞) ↔ 𝑓:(Base‘𝐿)⟶(0[,)+∞))) |
| 8 | 1, 2, 3 | grpidpropd 18675 |
. . . . . . . . . . 11
⊢ (𝜑 → (0g‘𝐾) = (0g‘𝐿)) |
| 9 | 8 | adantr 480 |
. . . . . . . . . 10
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → (0g‘𝐾) = (0g‘𝐿)) |
| 10 | 9 | eqeq2d 2748 |
. . . . . . . . 9
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝑥 = (0g‘𝐾) ↔ 𝑥 = (0g‘𝐿))) |
| 11 | 10 | bibi2d 342 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → (((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐾)) ↔ ((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐿)))) |
| 12 | 4 | fveqeq2d 6914 |
. . . . . . . . . . 11
⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → ((𝑓‘(𝑥(.r‘𝐾)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ↔ (𝑓‘(𝑥(.r‘𝐿)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)))) |
| 13 | 3 | fveq2d 6910 |
. . . . . . . . . . . 12
⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑓‘(𝑥(+g‘𝐾)𝑦)) = (𝑓‘(𝑥(+g‘𝐿)𝑦))) |
| 14 | 13 | breq1d 5153 |
. . . . . . . . . . 11
⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → ((𝑓‘(𝑥(+g‘𝐾)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦)) ↔ (𝑓‘(𝑥(+g‘𝐿)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦)))) |
| 15 | 12, 14 | anbi12d 632 |
. . . . . . . . . 10
⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (((𝑓‘(𝑥(.r‘𝐾)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐾)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦))) ↔ ((𝑓‘(𝑥(.r‘𝐿)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐿)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦))))) |
| 16 | 15 | anassrs 467 |
. . . . . . . . 9
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ 𝑦 ∈ 𝐵) → (((𝑓‘(𝑥(.r‘𝐾)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐾)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦))) ↔ ((𝑓‘(𝑥(.r‘𝐿)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐿)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦))))) |
| 17 | 16 | ralbidva 3176 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → (∀𝑦 ∈ 𝐵 ((𝑓‘(𝑥(.r‘𝐾)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐾)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦))) ↔ ∀𝑦 ∈ 𝐵 ((𝑓‘(𝑥(.r‘𝐿)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐿)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦))))) |
| 18 | 11, 17 | anbi12d 632 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → ((((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐾)) ∧ ∀𝑦 ∈ 𝐵 ((𝑓‘(𝑥(.r‘𝐾)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐾)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦)))) ↔ (((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐿)) ∧ ∀𝑦 ∈ 𝐵 ((𝑓‘(𝑥(.r‘𝐿)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐿)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦)))))) |
| 19 | 18 | ralbidva 3176 |
. . . . . 6
⊢ (𝜑 → (∀𝑥 ∈ 𝐵 (((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐾)) ∧ ∀𝑦 ∈ 𝐵 ((𝑓‘(𝑥(.r‘𝐾)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐾)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦)))) ↔ ∀𝑥 ∈ 𝐵 (((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐿)) ∧ ∀𝑦 ∈ 𝐵 ((𝑓‘(𝑥(.r‘𝐿)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐿)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦)))))) |
| 20 | 1 | raleqdv 3326 |
. . . . . . . 8
⊢ (𝜑 → (∀𝑦 ∈ 𝐵 ((𝑓‘(𝑥(.r‘𝐾)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐾)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦))) ↔ ∀𝑦 ∈ (Base‘𝐾)((𝑓‘(𝑥(.r‘𝐾)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐾)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦))))) |
| 21 | 20 | anbi2d 630 |
. . . . . . 7
⊢ (𝜑 → ((((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐾)) ∧ ∀𝑦 ∈ 𝐵 ((𝑓‘(𝑥(.r‘𝐾)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐾)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦)))) ↔ (((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐾)) ∧ ∀𝑦 ∈ (Base‘𝐾)((𝑓‘(𝑥(.r‘𝐾)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐾)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦)))))) |
| 22 | 1, 21 | raleqbidv 3346 |
. . . . . 6
⊢ (𝜑 → (∀𝑥 ∈ 𝐵 (((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐾)) ∧ ∀𝑦 ∈ 𝐵 ((𝑓‘(𝑥(.r‘𝐾)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐾)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦)))) ↔ ∀𝑥 ∈ (Base‘𝐾)(((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐾)) ∧ ∀𝑦 ∈ (Base‘𝐾)((𝑓‘(𝑥(.r‘𝐾)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐾)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦)))))) |
| 23 | 2 | raleqdv 3326 |
. . . . . . . 8
⊢ (𝜑 → (∀𝑦 ∈ 𝐵 ((𝑓‘(𝑥(.r‘𝐿)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐿)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦))) ↔ ∀𝑦 ∈ (Base‘𝐿)((𝑓‘(𝑥(.r‘𝐿)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐿)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦))))) |
| 24 | 23 | anbi2d 630 |
. . . . . . 7
⊢ (𝜑 → ((((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐿)) ∧ ∀𝑦 ∈ 𝐵 ((𝑓‘(𝑥(.r‘𝐿)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐿)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦)))) ↔ (((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐿)) ∧ ∀𝑦 ∈ (Base‘𝐿)((𝑓‘(𝑥(.r‘𝐿)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐿)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦)))))) |
| 25 | 2, 24 | raleqbidv 3346 |
. . . . . 6
⊢ (𝜑 → (∀𝑥 ∈ 𝐵 (((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐿)) ∧ ∀𝑦 ∈ 𝐵 ((𝑓‘(𝑥(.r‘𝐿)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐿)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦)))) ↔ ∀𝑥 ∈ (Base‘𝐿)(((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐿)) ∧ ∀𝑦 ∈ (Base‘𝐿)((𝑓‘(𝑥(.r‘𝐿)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐿)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦)))))) |
| 26 | 19, 22, 25 | 3bitr3d 309 |
. . . . 5
⊢ (𝜑 → (∀𝑥 ∈ (Base‘𝐾)(((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐾)) ∧ ∀𝑦 ∈ (Base‘𝐾)((𝑓‘(𝑥(.r‘𝐾)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐾)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦)))) ↔ ∀𝑥 ∈ (Base‘𝐿)(((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐿)) ∧ ∀𝑦 ∈ (Base‘𝐿)((𝑓‘(𝑥(.r‘𝐿)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐿)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦)))))) |
| 27 | 7, 26 | anbi12d 632 |
. . . 4
⊢ (𝜑 → ((𝑓:(Base‘𝐾)⟶(0[,)+∞) ∧ ∀𝑥 ∈ (Base‘𝐾)(((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐾)) ∧ ∀𝑦 ∈ (Base‘𝐾)((𝑓‘(𝑥(.r‘𝐾)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐾)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦))))) ↔ (𝑓:(Base‘𝐿)⟶(0[,)+∞) ∧ ∀𝑥 ∈ (Base‘𝐿)(((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐿)) ∧ ∀𝑦 ∈ (Base‘𝐿)((𝑓‘(𝑥(.r‘𝐿)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐿)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦))))))) |
| 28 | 5, 27 | anbi12d 632 |
. . 3
⊢ (𝜑 → ((𝐾 ∈ Ring ∧ (𝑓:(Base‘𝐾)⟶(0[,)+∞) ∧ ∀𝑥 ∈ (Base‘𝐾)(((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐾)) ∧ ∀𝑦 ∈ (Base‘𝐾)((𝑓‘(𝑥(.r‘𝐾)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐾)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦)))))) ↔ (𝐿 ∈ Ring ∧ (𝑓:(Base‘𝐿)⟶(0[,)+∞) ∧ ∀𝑥 ∈ (Base‘𝐿)(((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐿)) ∧ ∀𝑦 ∈ (Base‘𝐿)((𝑓‘(𝑥(.r‘𝐿)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐿)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦)))))))) |
| 29 | | eqid 2737 |
. . . . 5
⊢
(AbsVal‘𝐾) =
(AbsVal‘𝐾) |
| 30 | 29 | abvrcl 20814 |
. . . 4
⊢ (𝑓 ∈ (AbsVal‘𝐾) → 𝐾 ∈ Ring) |
| 31 | | eqid 2737 |
. . . . 5
⊢
(Base‘𝐾) =
(Base‘𝐾) |
| 32 | | eqid 2737 |
. . . . 5
⊢
(+g‘𝐾) = (+g‘𝐾) |
| 33 | | eqid 2737 |
. . . . 5
⊢
(.r‘𝐾) = (.r‘𝐾) |
| 34 | | eqid 2737 |
. . . . 5
⊢
(0g‘𝐾) = (0g‘𝐾) |
| 35 | 29, 31, 32, 33, 34 | isabv 20812 |
. . . 4
⊢ (𝐾 ∈ Ring → (𝑓 ∈ (AbsVal‘𝐾) ↔ (𝑓:(Base‘𝐾)⟶(0[,)+∞) ∧ ∀𝑥 ∈ (Base‘𝐾)(((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐾)) ∧ ∀𝑦 ∈ (Base‘𝐾)((𝑓‘(𝑥(.r‘𝐾)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐾)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦))))))) |
| 36 | 30, 35 | biadanii 822 |
. . 3
⊢ (𝑓 ∈ (AbsVal‘𝐾) ↔ (𝐾 ∈ Ring ∧ (𝑓:(Base‘𝐾)⟶(0[,)+∞) ∧ ∀𝑥 ∈ (Base‘𝐾)(((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐾)) ∧ ∀𝑦 ∈ (Base‘𝐾)((𝑓‘(𝑥(.r‘𝐾)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐾)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦))))))) |
| 37 | | eqid 2737 |
. . . . 5
⊢
(AbsVal‘𝐿) =
(AbsVal‘𝐿) |
| 38 | 37 | abvrcl 20814 |
. . . 4
⊢ (𝑓 ∈ (AbsVal‘𝐿) → 𝐿 ∈ Ring) |
| 39 | | eqid 2737 |
. . . . 5
⊢
(Base‘𝐿) =
(Base‘𝐿) |
| 40 | | eqid 2737 |
. . . . 5
⊢
(+g‘𝐿) = (+g‘𝐿) |
| 41 | | eqid 2737 |
. . . . 5
⊢
(.r‘𝐿) = (.r‘𝐿) |
| 42 | | eqid 2737 |
. . . . 5
⊢
(0g‘𝐿) = (0g‘𝐿) |
| 43 | 37, 39, 40, 41, 42 | isabv 20812 |
. . . 4
⊢ (𝐿 ∈ Ring → (𝑓 ∈ (AbsVal‘𝐿) ↔ (𝑓:(Base‘𝐿)⟶(0[,)+∞) ∧ ∀𝑥 ∈ (Base‘𝐿)(((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐿)) ∧ ∀𝑦 ∈ (Base‘𝐿)((𝑓‘(𝑥(.r‘𝐿)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐿)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦))))))) |
| 44 | 38, 43 | biadanii 822 |
. . 3
⊢ (𝑓 ∈ (AbsVal‘𝐿) ↔ (𝐿 ∈ Ring ∧ (𝑓:(Base‘𝐿)⟶(0[,)+∞) ∧ ∀𝑥 ∈ (Base‘𝐿)(((𝑓‘𝑥) = 0 ↔ 𝑥 = (0g‘𝐿)) ∧ ∀𝑦 ∈ (Base‘𝐿)((𝑓‘(𝑥(.r‘𝐿)𝑦)) = ((𝑓‘𝑥) · (𝑓‘𝑦)) ∧ (𝑓‘(𝑥(+g‘𝐿)𝑦)) ≤ ((𝑓‘𝑥) + (𝑓‘𝑦))))))) |
| 45 | 28, 36, 44 | 3bitr4g 314 |
. 2
⊢ (𝜑 → (𝑓 ∈ (AbsVal‘𝐾) ↔ 𝑓 ∈ (AbsVal‘𝐿))) |
| 46 | 45 | eqrdv 2735 |
1
⊢ (𝜑 → (AbsVal‘𝐾) = (AbsVal‘𝐿)) |