| Step | Hyp | Ref
| Expression |
| 1 | | tglineintmo.p |
. . . . . . . 8
⊢ 𝑃 = (Base‘𝐺) |
| 2 | | tglineintmo.i |
. . . . . . . 8
⊢ 𝐼 = (Itv‘𝐺) |
| 3 | | tglineintmo.l |
. . . . . . . 8
⊢ 𝐿 = (LineG‘𝐺) |
| 4 | | tglineintmo.g |
. . . . . . . . 9
⊢ (𝜑 → 𝐺 ∈ TarskiG) |
| 5 | 4 | ad2antrr 726 |
. . . . . . . 8
⊢ (((𝜑 ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵))) ∧ 𝑥 ≠ 𝑦) → 𝐺 ∈ TarskiG) |
| 6 | | tglineintmo.a |
. . . . . . . . . . . 12
⊢ (𝜑 → 𝐴 ∈ ran 𝐿) |
| 7 | | elssuni 4937 |
. . . . . . . . . . . 12
⊢ (𝐴 ∈ ran 𝐿 → 𝐴 ⊆ ∪ ran
𝐿) |
| 8 | 6, 7 | syl 17 |
. . . . . . . . . . 11
⊢ (𝜑 → 𝐴 ⊆ ∪ ran
𝐿) |
| 9 | 1, 3, 2 | tglnunirn 28556 |
. . . . . . . . . . . 12
⊢ (𝐺 ∈ TarskiG → ∪ ran 𝐿 ⊆ 𝑃) |
| 10 | 4, 9 | syl 17 |
. . . . . . . . . . 11
⊢ (𝜑 → ∪ ran 𝐿 ⊆ 𝑃) |
| 11 | 8, 10 | sstrd 3994 |
. . . . . . . . . 10
⊢ (𝜑 → 𝐴 ⊆ 𝑃) |
| 12 | 11 | ad2antrr 726 |
. . . . . . . . 9
⊢ (((𝜑 ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵))) ∧ 𝑥 ≠ 𝑦) → 𝐴 ⊆ 𝑃) |
| 13 | | simplrl 777 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵))) ∧ 𝑥 ≠ 𝑦) → (𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵)) |
| 14 | 13 | simpld 494 |
. . . . . . . . 9
⊢ (((𝜑 ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵))) ∧ 𝑥 ≠ 𝑦) → 𝑥 ∈ 𝐴) |
| 15 | 12, 14 | sseldd 3984 |
. . . . . . . 8
⊢ (((𝜑 ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵))) ∧ 𝑥 ≠ 𝑦) → 𝑥 ∈ 𝑃) |
| 16 | | simplrr 778 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵))) ∧ 𝑥 ≠ 𝑦) → (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)) |
| 17 | 16 | simpld 494 |
. . . . . . . . 9
⊢ (((𝜑 ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵))) ∧ 𝑥 ≠ 𝑦) → 𝑦 ∈ 𝐴) |
| 18 | 12, 17 | sseldd 3984 |
. . . . . . . 8
⊢ (((𝜑 ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵))) ∧ 𝑥 ≠ 𝑦) → 𝑦 ∈ 𝑃) |
| 19 | | simpr 484 |
. . . . . . . 8
⊢ (((𝜑 ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵))) ∧ 𝑥 ≠ 𝑦) → 𝑥 ≠ 𝑦) |
| 20 | 6 | ad2antrr 726 |
. . . . . . . 8
⊢ (((𝜑 ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵))) ∧ 𝑥 ≠ 𝑦) → 𝐴 ∈ ran 𝐿) |
| 21 | 1, 2, 3, 5, 15, 18, 19, 19, 20, 14, 17 | tglinethru 28644 |
. . . . . . 7
⊢ (((𝜑 ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵))) ∧ 𝑥 ≠ 𝑦) → 𝐴 = (𝑥𝐿𝑦)) |
| 22 | | tglineintmo.b |
. . . . . . . . 9
⊢ (𝜑 → 𝐵 ∈ ran 𝐿) |
| 23 | 22 | ad2antrr 726 |
. . . . . . . 8
⊢ (((𝜑 ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵))) ∧ 𝑥 ≠ 𝑦) → 𝐵 ∈ ran 𝐿) |
| 24 | 13 | simprd 495 |
. . . . . . . 8
⊢ (((𝜑 ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵))) ∧ 𝑥 ≠ 𝑦) → 𝑥 ∈ 𝐵) |
| 25 | 16 | simprd 495 |
. . . . . . . 8
⊢ (((𝜑 ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵))) ∧ 𝑥 ≠ 𝑦) → 𝑦 ∈ 𝐵) |
| 26 | 1, 2, 3, 5, 15, 18, 19, 19, 23, 24, 25 | tglinethru 28644 |
. . . . . . 7
⊢ (((𝜑 ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵))) ∧ 𝑥 ≠ 𝑦) → 𝐵 = (𝑥𝐿𝑦)) |
| 27 | 21, 26 | eqtr4d 2780 |
. . . . . 6
⊢ (((𝜑 ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵))) ∧ 𝑥 ≠ 𝑦) → 𝐴 = 𝐵) |
| 28 | | tglineintmo.c |
. . . . . . . 8
⊢ (𝜑 → 𝐴 ≠ 𝐵) |
| 29 | 28 | ad2antrr 726 |
. . . . . . 7
⊢ (((𝜑 ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵))) ∧ 𝑥 ≠ 𝑦) → 𝐴 ≠ 𝐵) |
| 30 | 29 | neneqd 2945 |
. . . . . 6
⊢ (((𝜑 ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵))) ∧ 𝑥 ≠ 𝑦) → ¬ 𝐴 = 𝐵) |
| 31 | 27, 30 | pm2.65da 817 |
. . . . 5
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵))) → ¬ 𝑥 ≠ 𝑦) |
| 32 | | nne 2944 |
. . . . 5
⊢ (¬
𝑥 ≠ 𝑦 ↔ 𝑥 = 𝑦) |
| 33 | 31, 32 | sylib 218 |
. . . 4
⊢ ((𝜑 ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵))) → 𝑥 = 𝑦) |
| 34 | 33 | ex 412 |
. . 3
⊢ (𝜑 → (((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)) → 𝑥 = 𝑦)) |
| 35 | 34 | alrimivv 1928 |
. 2
⊢ (𝜑 → ∀𝑥∀𝑦(((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)) → 𝑥 = 𝑦)) |
| 36 | | eleq1w 2824 |
. . . 4
⊢ (𝑥 = 𝑦 → (𝑥 ∈ 𝐴 ↔ 𝑦 ∈ 𝐴)) |
| 37 | | eleq1w 2824 |
. . . 4
⊢ (𝑥 = 𝑦 → (𝑥 ∈ 𝐵 ↔ 𝑦 ∈ 𝐵)) |
| 38 | 36, 37 | anbi12d 632 |
. . 3
⊢ (𝑥 = 𝑦 → ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ↔ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵))) |
| 39 | 38 | mo4 2566 |
. 2
⊢
(∃*𝑥(𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ↔ ∀𝑥∀𝑦(((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)) → 𝑥 = 𝑦)) |
| 40 | 35, 39 | sylibr 234 |
1
⊢ (𝜑 → ∃*𝑥(𝑥 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵)) |