Proof of Theorem line2y
| Step | Hyp | Ref
| Expression |
| 1 | | line2.g |
. . . 4
⊢ 𝐺 = {𝑝 ∈ 𝑃 ∣ ((𝐴 · (𝑝‘0)) + (𝐵 · (𝑝‘1))) = 𝐶} |
| 2 | 1 | a1i 11 |
. . 3
⊢ (((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) ∧ (𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁)) → 𝐺 = {𝑝 ∈ 𝑃 ∣ ((𝐴 · (𝑝‘0)) + (𝐵 · (𝑝‘1))) = 𝐶}) |
| 3 | | s2len 15044 |
. . . . . . . . . . . . 13
⊢
(♯‘〈“0𝑀”〉) = 2 |
| 4 | 3 | eqcomi 2769 |
. . . . . . . . . . . 12
⊢ 2 =
(♯‘〈“0𝑀”〉) |
| 5 | 4 | a1i 11 |
. . . . . . . . . . 11
⊢ (𝑀 ∈ ℝ → 2 =
(♯‘〈“0𝑀”〉)) |
| 6 | | 0red 11314 |
. . . . . . . . . . . 12
⊢ (𝑀 ∈ ℝ → 0 ∈
ℝ) |
| 7 | | id 23 |
. . . . . . . . . . . 12
⊢ (𝑀 ∈ ℝ → 𝑀 ∈
ℝ) |
| 8 | 6, 7 | s2cld 15026 |
. . . . . . . . . . 11
⊢ (𝑀 ∈ ℝ →
〈“0𝑀”〉 ∈ Word
ℝ) |
| 9 | 5, 8 | wrdfd 14667 |
. . . . . . . . . 10
⊢ (𝑀 ∈ ℝ →
〈“0𝑀”〉:(0..^2)⟶ℝ) |
| 10 | | line2.i |
. . . . . . . . . . 11
⊢ 𝐼 = (0..^2) |
| 11 | 10 | feq2i 6701 |
. . . . . . . . . 10
⊢
(〈“0𝑀”〉:𝐼⟶ℝ ↔ 〈“0𝑀”〉:(0..^2)⟶ℝ) |
| 12 | 9, 11 | sylibr 237 |
. . . . . . . . 9
⊢ (𝑀 ∈ ℝ →
〈“0𝑀”〉:𝐼⟶ℝ) |
| 13 | | reex 11294 |
. . . . . . . . . 10
⊢ ℝ
∈ V |
| 14 | 10 | ovexi 7454 |
. . . . . . . . . 10
⊢ 𝐼 ∈ V |
| 15 | 13, 14 | elmap 8902 |
. . . . . . . . 9
⊢
(〈“0𝑀”〉 ∈ (ℝ
↑m 𝐼)
↔ 〈“0𝑀”〉:𝐼⟶ℝ) |
| 16 | 12, 15 | sylibr 237 |
. . . . . . . 8
⊢ (𝑀 ∈ ℝ →
〈“0𝑀”〉 ∈ (ℝ
↑m 𝐼)) |
| 17 | | line2y.x |
. . . . . . . 8
⊢ 𝑋 = 〈“0𝑀”〉 |
| 18 | | line2.p |
. . . . . . . 8
⊢ 𝑃 = (ℝ ↑m
𝐼) |
| 19 | 16, 17, 18 | 3eltr4g 2877 |
. . . . . . 7
⊢ (𝑀 ∈ ℝ → 𝑋 ∈ 𝑃) |
| 20 | 19 | 3ad2ant1 1151 |
. . . . . 6
⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁) → 𝑋 ∈ 𝑃) |
| 21 | | s2len 15044 |
. . . . . . . . . . . . 13
⊢
(♯‘〈“0𝑁”〉) = 2 |
| 22 | 21 | eqcomi 2769 |
. . . . . . . . . . . 12
⊢ 2 =
(♯‘〈“0𝑁”〉) |
| 23 | 22 | a1i 11 |
. . . . . . . . . . 11
⊢ (𝑁 ∈ ℝ → 2 =
(♯‘〈“0𝑁”〉)) |
| 24 | | 0red 11314 |
. . . . . . . . . . . 12
⊢ (𝑁 ∈ ℝ → 0 ∈
ℝ) |
| 25 | | id 23 |
. . . . . . . . . . . 12
⊢ (𝑁 ∈ ℝ → 𝑁 ∈
ℝ) |
| 26 | 24, 25 | s2cld 15026 |
. . . . . . . . . . 11
⊢ (𝑁 ∈ ℝ →
〈“0𝑁”〉 ∈ Word
ℝ) |
| 27 | 23, 26 | wrdfd 14667 |
. . . . . . . . . 10
⊢ (𝑁 ∈ ℝ →
〈“0𝑁”〉:(0..^2)⟶ℝ) |
| 28 | 10 | feq2i 6701 |
. . . . . . . . . 10
⊢
(〈“0𝑁”〉:𝐼⟶ℝ ↔ 〈“0𝑁”〉:(0..^2)⟶ℝ) |
| 29 | 27, 28 | sylibr 237 |
. . . . . . . . 9
⊢ (𝑁 ∈ ℝ →
〈“0𝑁”〉:𝐼⟶ℝ) |
| 30 | 13, 14 | pm3.2i 476 |
. . . . . . . . . 10
⊢ (ℝ
∈ V ∧ 𝐼 ∈
V) |
| 31 | | elmapg 8862 |
. . . . . . . . . 10
⊢ ((ℝ
∈ V ∧ 𝐼 ∈ V)
→ (〈“0𝑁”〉 ∈ (ℝ
↑m 𝐼)
↔ 〈“0𝑁”〉:𝐼⟶ℝ)) |
| 32 | 30, 31 | mp1i 14 |
. . . . . . . . 9
⊢ (𝑁 ∈ ℝ →
(〈“0𝑁”〉 ∈ (ℝ
↑m 𝐼)
↔ 〈“0𝑁”〉:𝐼⟶ℝ)) |
| 33 | 29, 32 | mpbird 260 |
. . . . . . . 8
⊢ (𝑁 ∈ ℝ →
〈“0𝑁”〉 ∈ (ℝ
↑m 𝐼)) |
| 34 | | line2y.y |
. . . . . . . 8
⊢ 𝑌 = 〈“0𝑁”〉 |
| 35 | 33, 34, 18 | 3eltr4g 2877 |
. . . . . . 7
⊢ (𝑁 ∈ ℝ → 𝑌 ∈ 𝑃) |
| 36 | 35 | 3ad2ant2 1152 |
. . . . . 6
⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁) → 𝑌 ∈ 𝑃) |
| 37 | 17 | fveq1i 6886 |
. . . . . . . . 9
⊢ (𝑋‘0) = (〈“0𝑀”〉‘0) |
| 38 | | 0re 11313 |
. . . . . . . . . 10
⊢ 0 ∈
ℝ |
| 39 | | s2fv0 15042 |
. . . . . . . . . 10
⊢ (0 ∈
ℝ → (〈“0𝑀”〉‘0) = 0) |
| 40 | 38, 39 | mp1i 14 |
. . . . . . . . 9
⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁) → (〈“0𝑀”〉‘0) = 0) |
| 41 | 37, 40 | eqtrid 2807 |
. . . . . . . 8
⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁) → (𝑋‘0) = 0) |
| 42 | 34 | fveq1i 6886 |
. . . . . . . . 9
⊢ (𝑌‘0) = (〈“0𝑁”〉‘0) |
| 43 | | s2fv0 15042 |
. . . . . . . . . 10
⊢ (0 ∈
ℝ → (〈“0𝑁”〉‘0) = 0) |
| 44 | 38, 43 | mp1i 14 |
. . . . . . . . 9
⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁) → (〈“0𝑁”〉‘0) = 0) |
| 45 | 42, 44 | eqtrid 2807 |
. . . . . . . 8
⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁) → (𝑌‘0) = 0) |
| 46 | 41, 45 | eqtr4d 2798 |
. . . . . . 7
⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁) → (𝑋‘0) = (𝑌‘0)) |
| 47 | | simp3 1156 |
. . . . . . . 8
⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁) → 𝑀 ≠ 𝑁) |
| 48 | 17 | fveq1i 6886 |
. . . . . . . . 9
⊢ (𝑋‘1) = (〈“0𝑀”〉‘1) |
| 49 | | s2fv1 15043 |
. . . . . . . . . 10
⊢ (𝑀 ∈ ℝ →
(〈“0𝑀”〉‘1) = 𝑀) |
| 50 | 49 | 3ad2ant1 1151 |
. . . . . . . . 9
⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁) → (〈“0𝑀”〉‘1) = 𝑀) |
| 51 | 48, 50 | eqtrid 2807 |
. . . . . . . 8
⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁) → (𝑋‘1) = 𝑀) |
| 52 | 34 | fveq1i 6886 |
. . . . . . . . 9
⊢ (𝑌‘1) = (〈“0𝑁”〉‘1) |
| 53 | | s2fv1 15043 |
. . . . . . . . . 10
⊢ (𝑁 ∈ ℝ →
(〈“0𝑁”〉‘1) = 𝑁) |
| 54 | 53 | 3ad2ant2 1152 |
. . . . . . . . 9
⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁) → (〈“0𝑁”〉‘1) = 𝑁) |
| 55 | 52, 54 | eqtrid 2807 |
. . . . . . . 8
⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁) → (𝑌‘1) = 𝑁) |
| 56 | 47, 51, 55 | 3netr4d 3032 |
. . . . . . 7
⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁) → (𝑋‘1) ≠ (𝑌‘1)) |
| 57 | 46, 56 | jca 521 |
. . . . . 6
⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁) → ((𝑋‘0) = (𝑌‘0) ∧ (𝑋‘1) ≠ (𝑌‘1))) |
| 58 | 20, 36, 57 | 3jca 1146 |
. . . . 5
⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁) → (𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑃 ∧ ((𝑋‘0) = (𝑌‘0) ∧ (𝑋‘1) ≠ (𝑌‘1)))) |
| 59 | 58 | adantl 487 |
. . . 4
⊢ (((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) ∧ (𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁)) → (𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑃 ∧ ((𝑋‘0) = (𝑌‘0) ∧ (𝑋‘1) ≠ (𝑌‘1)))) |
| 60 | | line2.e |
. . . . 5
⊢ 𝐸 = (ℝ^‘𝐼) |
| 61 | | line2.l |
. . . . 5
⊢ 𝐿 = (LineM‘𝐸) |
| 62 | 10, 60, 18, 61 | rrx2vlinest 49946 |
. . . 4
⊢ ((𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑃 ∧ ((𝑋‘0) = (𝑌‘0) ∧ (𝑋‘1) ≠ (𝑌‘1))) → (𝑋𝐿𝑌) = {𝑝 ∈ 𝑃 ∣ (𝑝‘0) = (𝑋‘0)}) |
| 63 | 59, 62 | syl 18 |
. . 3
⊢ (((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) ∧ (𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁)) → (𝑋𝐿𝑌) = {𝑝 ∈ 𝑃 ∣ (𝑝‘0) = (𝑋‘0)}) |
| 64 | 2, 63 | eqeq12d 2776 |
. 2
⊢ (((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) ∧ (𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁)) → (𝐺 = (𝑋𝐿𝑌) ↔ {𝑝 ∈ 𝑃 ∣ ((𝐴 · (𝑝‘0)) + (𝐵 · (𝑝‘1))) = 𝐶} = {𝑝 ∈ 𝑃 ∣ (𝑝‘0) = (𝑋‘0)})) |
| 65 | 38, 39 | ax-mp 5 |
. . . . . . 7
⊢
(〈“0𝑀”〉‘0) = 0 |
| 66 | 37, 65 | eqtri 2783 |
. . . . . 6
⊢ (𝑋‘0) = 0 |
| 67 | 66 | a1i 11 |
. . . . 5
⊢ (((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) ∧ (𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁)) → (𝑋‘0) = 0) |
| 68 | 67 | eqeq2d 2771 |
. . . 4
⊢ (((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) ∧ (𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁)) → ((𝑝‘0) = (𝑋‘0) ↔ (𝑝‘0) = 0)) |
| 69 | 68 | rabbidv 3419 |
. . 3
⊢ (((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) ∧ (𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁)) → {𝑝 ∈ 𝑃 ∣ (𝑝‘0) = (𝑋‘0)} = {𝑝 ∈ 𝑃 ∣ (𝑝‘0) = 0}) |
| 70 | 69 | eqeq2d 2771 |
. 2
⊢ (((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) ∧ (𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁)) → ({𝑝 ∈ 𝑃 ∣ ((𝐴 · (𝑝‘0)) + (𝐵 · (𝑝‘1))) = 𝐶} = {𝑝 ∈ 𝑃 ∣ (𝑝‘0) = (𝑋‘0)} ↔ {𝑝 ∈ 𝑃 ∣ ((𝐴 · (𝑝‘0)) + (𝐵 · (𝑝‘1))) = 𝐶} = {𝑝 ∈ 𝑃 ∣ (𝑝‘0) = 0})) |
| 71 | | rabbi 3441 |
. . 3
⊢
(∀𝑝 ∈
𝑃 (((𝐴 · (𝑝‘0)) + (𝐵 · (𝑝‘1))) = 𝐶 ↔ (𝑝‘0) = 0) ↔ {𝑝 ∈ 𝑃 ∣ ((𝐴 · (𝑝‘0)) + (𝐵 · (𝑝‘1))) = 𝐶} = {𝑝 ∈ 𝑃 ∣ (𝑝‘0) = 0}) |
| 72 | 10, 18 | line2ylem 49956 |
. . . . 5
⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) →
(∀𝑝 ∈ 𝑃 (((𝐴 · (𝑝‘0)) + (𝐵 · (𝑝‘1))) = 𝐶 ↔ (𝑝‘0) = 0) → (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0))) |
| 73 | 72 | adantr 486 |
. . . 4
⊢ (((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) ∧ (𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁)) → (∀𝑝 ∈ 𝑃 (((𝐴 · (𝑝‘0)) + (𝐵 · (𝑝‘1))) = 𝐶 ↔ (𝑝‘0) = 0) → (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0))) |
| 74 | | oveq1 7427 |
. . . . . . . . . . 11
⊢ (𝐵 = 0 → (𝐵 · (𝑝‘1)) = (0 · (𝑝‘1))) |
| 75 | 74 | 3ad2ant2 1152 |
. . . . . . . . . 10
⊢ ((𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0) → (𝐵 · (𝑝‘1)) = (0 · (𝑝‘1))) |
| 76 | 75 | oveq2d 7436 |
. . . . . . . . 9
⊢ ((𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0) → ((𝐴 · (𝑝‘0)) + (𝐵 · (𝑝‘1))) = ((𝐴 · (𝑝‘0)) + (0 · (𝑝‘1)))) |
| 77 | | simp3 1156 |
. . . . . . . . 9
⊢ ((𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0) → 𝐶 = 0) |
| 78 | 76, 77 | eqeq12d 2776 |
. . . . . . . 8
⊢ ((𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0) → (((𝐴 · (𝑝‘0)) + (𝐵 · (𝑝‘1))) = 𝐶 ↔ ((𝐴 · (𝑝‘0)) + (0 · (𝑝‘1))) = 0)) |
| 79 | 78 | ad2antlr 740 |
. . . . . . 7
⊢
(((((𝐴 ∈
ℝ ∧ 𝐵 ∈
ℝ ∧ 𝐶 ∈
ℝ) ∧ (𝑀 ∈
ℝ ∧ 𝑁 ∈
ℝ ∧ 𝑀 ≠ 𝑁)) ∧ (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0)) ∧ 𝑝 ∈ 𝑃) → (((𝐴 · (𝑝‘0)) + (𝐵 · (𝑝‘1))) = 𝐶 ↔ ((𝐴 · (𝑝‘0)) + (0 · (𝑝‘1))) = 0)) |
| 80 | 10, 18 | rrx2pyel 49917 |
. . . . . . . . . . . . 13
⊢ (𝑝 ∈ 𝑃 → (𝑝‘1) ∈ ℝ) |
| 81 | 80 | recnd 11340 |
. . . . . . . . . . . 12
⊢ (𝑝 ∈ 𝑃 → (𝑝‘1) ∈ ℂ) |
| 82 | 81 | mul02d 11511 |
. . . . . . . . . . 11
⊢ (𝑝 ∈ 𝑃 → (0 · (𝑝‘1)) = 0) |
| 83 | 82 | adantl 487 |
. . . . . . . . . 10
⊢
(((((𝐴 ∈
ℝ ∧ 𝐵 ∈
ℝ ∧ 𝐶 ∈
ℝ) ∧ (𝑀 ∈
ℝ ∧ 𝑁 ∈
ℝ ∧ 𝑀 ≠ 𝑁)) ∧ (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0)) ∧ 𝑝 ∈ 𝑃) → (0 · (𝑝‘1)) = 0) |
| 84 | 83 | oveq2d 7436 |
. . . . . . . . 9
⊢
(((((𝐴 ∈
ℝ ∧ 𝐵 ∈
ℝ ∧ 𝐶 ∈
ℝ) ∧ (𝑀 ∈
ℝ ∧ 𝑁 ∈
ℝ ∧ 𝑀 ≠ 𝑁)) ∧ (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0)) ∧ 𝑝 ∈ 𝑃) → ((𝐴 · (𝑝‘0)) + (0 · (𝑝‘1))) = ((𝐴 · (𝑝‘0)) + 0)) |
| 85 | | simp1 1154 |
. . . . . . . . . . . . 13
⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) → 𝐴 ∈
ℝ) |
| 86 | 85 | recnd 11340 |
. . . . . . . . . . . 12
⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) → 𝐴 ∈
ℂ) |
| 87 | 86 | ad3antrrr 743 |
. . . . . . . . . . 11
⊢
(((((𝐴 ∈
ℝ ∧ 𝐵 ∈
ℝ ∧ 𝐶 ∈
ℝ) ∧ (𝑀 ∈
ℝ ∧ 𝑁 ∈
ℝ ∧ 𝑀 ≠ 𝑁)) ∧ (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0)) ∧ 𝑝 ∈ 𝑃) → 𝐴 ∈ ℂ) |
| 88 | 10, 18 | rrx2pxel 49916 |
. . . . . . . . . . . . 13
⊢ (𝑝 ∈ 𝑃 → (𝑝‘0) ∈ ℝ) |
| 89 | 88 | recnd 11340 |
. . . . . . . . . . . 12
⊢ (𝑝 ∈ 𝑃 → (𝑝‘0) ∈ ℂ) |
| 90 | 89 | adantl 487 |
. . . . . . . . . . 11
⊢
(((((𝐴 ∈
ℝ ∧ 𝐵 ∈
ℝ ∧ 𝐶 ∈
ℝ) ∧ (𝑀 ∈
ℝ ∧ 𝑁 ∈
ℝ ∧ 𝑀 ≠ 𝑁)) ∧ (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0)) ∧ 𝑝 ∈ 𝑃) → (𝑝‘0) ∈ ℂ) |
| 91 | 87, 90 | mulcld 11332 |
. . . . . . . . . 10
⊢
(((((𝐴 ∈
ℝ ∧ 𝐵 ∈
ℝ ∧ 𝐶 ∈
ℝ) ∧ (𝑀 ∈
ℝ ∧ 𝑁 ∈
ℝ ∧ 𝑀 ≠ 𝑁)) ∧ (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0)) ∧ 𝑝 ∈ 𝑃) → (𝐴 · (𝑝‘0)) ∈ ℂ) |
| 92 | 91 | addridd 11513 |
. . . . . . . . 9
⊢
(((((𝐴 ∈
ℝ ∧ 𝐵 ∈
ℝ ∧ 𝐶 ∈
ℝ) ∧ (𝑀 ∈
ℝ ∧ 𝑁 ∈
ℝ ∧ 𝑀 ≠ 𝑁)) ∧ (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0)) ∧ 𝑝 ∈ 𝑃) → ((𝐴 · (𝑝‘0)) + 0) = (𝐴 · (𝑝‘0))) |
| 93 | 84, 92 | eqtrd 2795 |
. . . . . . . 8
⊢
(((((𝐴 ∈
ℝ ∧ 𝐵 ∈
ℝ ∧ 𝐶 ∈
ℝ) ∧ (𝑀 ∈
ℝ ∧ 𝑁 ∈
ℝ ∧ 𝑀 ≠ 𝑁)) ∧ (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0)) ∧ 𝑝 ∈ 𝑃) → ((𝐴 · (𝑝‘0)) + (0 · (𝑝‘1))) = (𝐴 · (𝑝‘0))) |
| 94 | 93 | eqeq1d 2762 |
. . . . . . 7
⊢
(((((𝐴 ∈
ℝ ∧ 𝐵 ∈
ℝ ∧ 𝐶 ∈
ℝ) ∧ (𝑀 ∈
ℝ ∧ 𝑁 ∈
ℝ ∧ 𝑀 ≠ 𝑁)) ∧ (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0)) ∧ 𝑝 ∈ 𝑃) → (((𝐴 · (𝑝‘0)) + (0 · (𝑝‘1))) = 0 ↔ (𝐴 · (𝑝‘0)) = 0)) |
| 95 | 87, 90 | mul0ord 11967 |
. . . . . . . 8
⊢
(((((𝐴 ∈
ℝ ∧ 𝐵 ∈
ℝ ∧ 𝐶 ∈
ℝ) ∧ (𝑀 ∈
ℝ ∧ 𝑁 ∈
ℝ ∧ 𝑀 ≠ 𝑁)) ∧ (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0)) ∧ 𝑝 ∈ 𝑃) → ((𝐴 · (𝑝‘0)) = 0 ↔ (𝐴 = 0 ∨ (𝑝‘0) = 0))) |
| 96 | | eqneqall 2966 |
. . . . . . . . . . . . 13
⊢ (𝐴 = 0 → (𝐴 ≠ 0 → (𝑝‘0) = 0)) |
| 97 | 96 | com12 33 |
. . . . . . . . . . . 12
⊢ (𝐴 ≠ 0 → (𝐴 = 0 → (𝑝‘0) = 0)) |
| 98 | 97 | 3ad2ant1 1151 |
. . . . . . . . . . 11
⊢ ((𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0) → (𝐴 = 0 → (𝑝‘0) = 0)) |
| 99 | 98 | ad2antlr 740 |
. . . . . . . . . 10
⊢
(((((𝐴 ∈
ℝ ∧ 𝐵 ∈
ℝ ∧ 𝐶 ∈
ℝ) ∧ (𝑀 ∈
ℝ ∧ 𝑁 ∈
ℝ ∧ 𝑀 ≠ 𝑁)) ∧ (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0)) ∧ 𝑝 ∈ 𝑃) → (𝐴 = 0 → (𝑝‘0) = 0)) |
| 100 | | idd 25 |
. . . . . . . . . 10
⊢
(((((𝐴 ∈
ℝ ∧ 𝐵 ∈
ℝ ∧ 𝐶 ∈
ℝ) ∧ (𝑀 ∈
ℝ ∧ 𝑁 ∈
ℝ ∧ 𝑀 ≠ 𝑁)) ∧ (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0)) ∧ 𝑝 ∈ 𝑃) → ((𝑝‘0) = 0 → (𝑝‘0) = 0)) |
| 101 | 99, 100 | jaod 873 |
. . . . . . . . 9
⊢
(((((𝐴 ∈
ℝ ∧ 𝐵 ∈
ℝ ∧ 𝐶 ∈
ℝ) ∧ (𝑀 ∈
ℝ ∧ 𝑁 ∈
ℝ ∧ 𝑀 ≠ 𝑁)) ∧ (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0)) ∧ 𝑝 ∈ 𝑃) → ((𝐴 = 0 ∨ (𝑝‘0) = 0) → (𝑝‘0) = 0)) |
| 102 | | olc 882 |
. . . . . . . . 9
⊢ ((𝑝‘0) = 0 → (𝐴 = 0 ∨ (𝑝‘0) = 0)) |
| 103 | 101, 102 | impbid1 228 |
. . . . . . . 8
⊢
(((((𝐴 ∈
ℝ ∧ 𝐵 ∈
ℝ ∧ 𝐶 ∈
ℝ) ∧ (𝑀 ∈
ℝ ∧ 𝑁 ∈
ℝ ∧ 𝑀 ≠ 𝑁)) ∧ (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0)) ∧ 𝑝 ∈ 𝑃) → ((𝐴 = 0 ∨ (𝑝‘0) = 0) ↔ (𝑝‘0) = 0)) |
| 104 | 95, 103 | bitrd 282 |
. . . . . . 7
⊢
(((((𝐴 ∈
ℝ ∧ 𝐵 ∈
ℝ ∧ 𝐶 ∈
ℝ) ∧ (𝑀 ∈
ℝ ∧ 𝑁 ∈
ℝ ∧ 𝑀 ≠ 𝑁)) ∧ (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0)) ∧ 𝑝 ∈ 𝑃) → ((𝐴 · (𝑝‘0)) = 0 ↔ (𝑝‘0) = 0)) |
| 105 | 79, 94, 104 | 3bitrd 308 |
. . . . . 6
⊢
(((((𝐴 ∈
ℝ ∧ 𝐵 ∈
ℝ ∧ 𝐶 ∈
ℝ) ∧ (𝑀 ∈
ℝ ∧ 𝑁 ∈
ℝ ∧ 𝑀 ≠ 𝑁)) ∧ (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0)) ∧ 𝑝 ∈ 𝑃) → (((𝐴 · (𝑝‘0)) + (𝐵 · (𝑝‘1))) = 𝐶 ↔ (𝑝‘0) = 0)) |
| 106 | 105 | ralrimiva 3154 |
. . . . 5
⊢ ((((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) ∧ (𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁)) ∧ (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0)) → ∀𝑝 ∈ 𝑃 (((𝐴 · (𝑝‘0)) + (𝐵 · (𝑝‘1))) = 𝐶 ↔ (𝑝‘0) = 0)) |
| 107 | 106 | ex 418 |
. . . 4
⊢ (((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) ∧ (𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁)) → ((𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0) → ∀𝑝 ∈ 𝑃 (((𝐴 · (𝑝‘0)) + (𝐵 · (𝑝‘1))) = 𝐶 ↔ (𝑝‘0) = 0))) |
| 108 | 73, 107 | impbid 215 |
. . 3
⊢ (((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) ∧ (𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁)) → (∀𝑝 ∈ 𝑃 (((𝐴 · (𝑝‘0)) + (𝐵 · (𝑝‘1))) = 𝐶 ↔ (𝑝‘0) = 0) ↔ (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0))) |
| 109 | 71, 108 | bitr3id 288 |
. 2
⊢ (((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) ∧ (𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁)) → ({𝑝 ∈ 𝑃 ∣ ((𝐴 · (𝑝‘0)) + (𝐵 · (𝑝‘1))) = 𝐶} = {𝑝 ∈ 𝑃 ∣ (𝑝‘0) = 0} ↔ (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0))) |
| 110 | 64, 70, 109 | 3bitrd 308 |
1
⊢ (((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) ∧ (𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≠ 𝑁)) → (𝐺 = (𝑋𝐿𝑌) ↔ (𝐴 ≠ 0 ∧ 𝐵 = 0 ∧ 𝐶 = 0))) |