| Step | Hyp | Ref
| Expression |
| 1 | | negiso.1 |
. . . . . 6
⊢ 𝐹 = (𝑥 ∈ ℝ ↦ -𝑥) |
| 2 | | simpr 110 |
. . . . . . 7
⊢
((⊤ ∧ 𝑥
∈ ℝ) → 𝑥
∈ ℝ) |
| 3 | 2 | renegcld 8406 |
. . . . . 6
⊢
((⊤ ∧ 𝑥
∈ ℝ) → -𝑥
∈ ℝ) |
| 4 | | simpr 110 |
. . . . . . 7
⊢
((⊤ ∧ 𝑦
∈ ℝ) → 𝑦
∈ ℝ) |
| 5 | 4 | renegcld 8406 |
. . . . . 6
⊢
((⊤ ∧ 𝑦
∈ ℝ) → -𝑦
∈ ℝ) |
| 6 | | recn 8012 |
. . . . . . . 8
⊢ (𝑥 ∈ ℝ → 𝑥 ∈
ℂ) |
| 7 | | recn 8012 |
. . . . . . . 8
⊢ (𝑦 ∈ ℝ → 𝑦 ∈
ℂ) |
| 8 | | negcon2 8279 |
. . . . . . . 8
⊢ ((𝑥 ∈ ℂ ∧ 𝑦 ∈ ℂ) → (𝑥 = -𝑦 ↔ 𝑦 = -𝑥)) |
| 9 | 6, 7, 8 | syl2an 289 |
. . . . . . 7
⊢ ((𝑥 ∈ ℝ ∧ 𝑦 ∈ ℝ) → (𝑥 = -𝑦 ↔ 𝑦 = -𝑥)) |
| 10 | 9 | adantl 277 |
. . . . . 6
⊢
((⊤ ∧ (𝑥
∈ ℝ ∧ 𝑦
∈ ℝ)) → (𝑥
= -𝑦 ↔ 𝑦 = -𝑥)) |
| 11 | 1, 3, 5, 10 | f1ocnv2d 6127 |
. . . . 5
⊢ (⊤
→ (𝐹:ℝ–1-1-onto→ℝ ∧ ◡𝐹 = (𝑦 ∈ ℝ ↦ -𝑦))) |
| 12 | 11 | mptru 1373 |
. . . 4
⊢ (𝐹:ℝ–1-1-onto→ℝ ∧ ◡𝐹 = (𝑦 ∈ ℝ ↦ -𝑦)) |
| 13 | 12 | simpli 111 |
. . 3
⊢ 𝐹:ℝ–1-1-onto→ℝ |
| 14 | | simpl 109 |
. . . . . . . 8
⊢ ((𝑧 ∈ ℝ ∧ 𝑦 ∈ ℝ) → 𝑧 ∈
ℝ) |
| 15 | 14 | recnd 8055 |
. . . . . . 7
⊢ ((𝑧 ∈ ℝ ∧ 𝑦 ∈ ℝ) → 𝑧 ∈
ℂ) |
| 16 | 15 | negcld 8324 |
. . . . . 6
⊢ ((𝑧 ∈ ℝ ∧ 𝑦 ∈ ℝ) → -𝑧 ∈
ℂ) |
| 17 | 7 | adantl 277 |
. . . . . . 7
⊢ ((𝑧 ∈ ℝ ∧ 𝑦 ∈ ℝ) → 𝑦 ∈
ℂ) |
| 18 | 17 | negcld 8324 |
. . . . . 6
⊢ ((𝑧 ∈ ℝ ∧ 𝑦 ∈ ℝ) → -𝑦 ∈
ℂ) |
| 19 | | brcnvg 4847 |
. . . . . 6
⊢ ((-𝑧 ∈ ℂ ∧ -𝑦 ∈ ℂ) → (-𝑧◡ < -𝑦 ↔ -𝑦 < -𝑧)) |
| 20 | 16, 18, 19 | syl2anc 411 |
. . . . 5
⊢ ((𝑧 ∈ ℝ ∧ 𝑦 ∈ ℝ) → (-𝑧◡ < -𝑦 ↔ -𝑦 < -𝑧)) |
| 21 | 1 | a1i 9 |
. . . . . . 7
⊢ ((𝑧 ∈ ℝ ∧ 𝑦 ∈ ℝ) → 𝐹 = (𝑥 ∈ ℝ ↦ -𝑥)) |
| 22 | | negeq 8219 |
. . . . . . . 8
⊢ (𝑥 = 𝑧 → -𝑥 = -𝑧) |
| 23 | 22 | adantl 277 |
. . . . . . 7
⊢ (((𝑧 ∈ ℝ ∧ 𝑦 ∈ ℝ) ∧ 𝑥 = 𝑧) → -𝑥 = -𝑧) |
| 24 | 21, 23, 14, 16 | fvmptd 5642 |
. . . . . 6
⊢ ((𝑧 ∈ ℝ ∧ 𝑦 ∈ ℝ) → (𝐹‘𝑧) = -𝑧) |
| 25 | | negeq 8219 |
. . . . . . . 8
⊢ (𝑥 = 𝑦 → -𝑥 = -𝑦) |
| 26 | 25 | adantl 277 |
. . . . . . 7
⊢ (((𝑧 ∈ ℝ ∧ 𝑦 ∈ ℝ) ∧ 𝑥 = 𝑦) → -𝑥 = -𝑦) |
| 27 | | simpr 110 |
. . . . . . 7
⊢ ((𝑧 ∈ ℝ ∧ 𝑦 ∈ ℝ) → 𝑦 ∈
ℝ) |
| 28 | 21, 26, 27, 18 | fvmptd 5642 |
. . . . . 6
⊢ ((𝑧 ∈ ℝ ∧ 𝑦 ∈ ℝ) → (𝐹‘𝑦) = -𝑦) |
| 29 | 24, 28 | breq12d 4046 |
. . . . 5
⊢ ((𝑧 ∈ ℝ ∧ 𝑦 ∈ ℝ) → ((𝐹‘𝑧)◡
< (𝐹‘𝑦) ↔ -𝑧◡
< -𝑦)) |
| 30 | | ltneg 8489 |
. . . . 5
⊢ ((𝑧 ∈ ℝ ∧ 𝑦 ∈ ℝ) → (𝑧 < 𝑦 ↔ -𝑦 < -𝑧)) |
| 31 | 20, 29, 30 | 3bitr4rd 221 |
. . . 4
⊢ ((𝑧 ∈ ℝ ∧ 𝑦 ∈ ℝ) → (𝑧 < 𝑦 ↔ (𝐹‘𝑧)◡
< (𝐹‘𝑦))) |
| 32 | 31 | rgen2a 2551 |
. . 3
⊢
∀𝑧 ∈
ℝ ∀𝑦 ∈
ℝ (𝑧 < 𝑦 ↔ (𝐹‘𝑧)◡
< (𝐹‘𝑦)) |
| 33 | | df-isom 5267 |
. . 3
⊢ (𝐹 Isom < , ◡ < (ℝ, ℝ) ↔ (𝐹:ℝ–1-1-onto→ℝ ∧ ∀𝑧 ∈ ℝ ∀𝑦 ∈ ℝ (𝑧 < 𝑦 ↔ (𝐹‘𝑧)◡
< (𝐹‘𝑦)))) |
| 34 | 13, 32, 33 | mpbir2an 944 |
. 2
⊢ 𝐹 Isom < , ◡ < (ℝ, ℝ) |
| 35 | | negeq 8219 |
. . . 4
⊢ (𝑦 = 𝑥 → -𝑦 = -𝑥) |
| 36 | 35 | cbvmptv 4129 |
. . 3
⊢ (𝑦 ∈ ℝ ↦ -𝑦) = (𝑥 ∈ ℝ ↦ -𝑥) |
| 37 | 12 | simpri 113 |
. . 3
⊢ ◡𝐹 = (𝑦 ∈ ℝ ↦ -𝑦) |
| 38 | 36, 37, 1 | 3eqtr4i 2227 |
. 2
⊢ ◡𝐹 = 𝐹 |
| 39 | 34, 38 | pm3.2i 272 |
1
⊢ (𝐹 Isom < , ◡ < (ℝ, ℝ) ∧ ◡𝐹 = 𝐹) |