Proof of Theorem cdlemkid5
| Step | Hyp | Ref
| Expression |
| 1 | | cdlemk5.b |
. . 3
⊢ 𝐵 = (Base‘𝐾) |
| 2 | | cdlemk5.l |
. . 3
⊢ ≤ =
(le‘𝐾) |
| 3 | | cdlemk5.j |
. . 3
⊢ ∨ =
(join‘𝐾) |
| 4 | | cdlemk5.m |
. . 3
⊢ ∧ =
(meet‘𝐾) |
| 5 | | cdlemk5.a |
. . 3
⊢ 𝐴 = (Atoms‘𝐾) |
| 6 | | cdlemk5.h |
. . 3
⊢ 𝐻 = (LHyp‘𝐾) |
| 7 | | cdlemk5.t |
. . 3
⊢ 𝑇 = ((LTrn‘𝐾)‘𝑊) |
| 8 | | cdlemk5.r |
. . 3
⊢ 𝑅 = ((trL‘𝐾)‘𝑊) |
| 9 | | cdlemk5.z |
. . 3
⊢ 𝑍 = ((𝑃 ∨ (𝑅‘𝑏)) ∧ ((𝑁‘𝑃) ∨ (𝑅‘(𝑏 ∘ ◡𝐹)))) |
| 10 | | cdlemk5.y |
. . 3
⊢ 𝑌 = ((𝑃 ∨ (𝑅‘𝑔)) ∧ (𝑍 ∨ (𝑅‘(𝑔 ∘ ◡𝑏)))) |
| 11 | | cdlemk5.x |
. . 3
⊢ 𝑋 = (℩𝑧 ∈ 𝑇 ∀𝑏 ∈ 𝑇 ((𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝑔)) → (𝑧‘𝑃) = 𝑌)) |
| 12 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
11 | cdlemkid4 40895 |
. 2
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝑁 ∈ 𝑇 ∧ (𝑅‘𝐹) = (𝑅‘𝑁)) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ 𝐺 = ( I ↾ 𝐵))) → ⦋𝐺 / 𝑔⦌𝑋 = (℩𝑧 ∈ 𝑇 ∀𝑏 ∈ 𝑇 ((𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐺)) → 𝑧 = ( I ↾ 𝐵)))) |
| 13 | 1, 6, 7 | idltrn 40111 |
. . . . . 6
⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → ( I ↾ 𝐵) ∈ 𝑇) |
| 14 | 13 | 3ad2ant1 1133 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝑁 ∈ 𝑇 ∧ (𝑅‘𝐹) = (𝑅‘𝑁)) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ 𝐺 = ( I ↾ 𝐵))) → ( I ↾ 𝐵) ∈ 𝑇) |
| 15 | | eqidd 2735 |
. . . . . 6
⊢ ((𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐺)) → ( I ↾ 𝐵) = ( I ↾ 𝐵)) |
| 16 | 15 | rgenw 3054 |
. . . . 5
⊢
∀𝑏 ∈
𝑇 ((𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐺)) → ( I ↾ 𝐵) = ( I ↾ 𝐵)) |
| 17 | | eqeq1 2738 |
. . . . . . . 8
⊢ (𝑧 = ( I ↾ 𝐵) → (𝑧 = ( I ↾ 𝐵) ↔ ( I ↾ 𝐵) = ( I ↾ 𝐵))) |
| 18 | 17 | imbi2d 340 |
. . . . . . 7
⊢ (𝑧 = ( I ↾ 𝐵) → (((𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐺)) → 𝑧 = ( I ↾ 𝐵)) ↔ ((𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐺)) → ( I ↾ 𝐵) = ( I ↾ 𝐵)))) |
| 19 | 18 | ralbidv 3165 |
. . . . . 6
⊢ (𝑧 = ( I ↾ 𝐵) → (∀𝑏 ∈ 𝑇 ((𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐺)) → 𝑧 = ( I ↾ 𝐵)) ↔ ∀𝑏 ∈ 𝑇 ((𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐺)) → ( I ↾ 𝐵) = ( I ↾ 𝐵)))) |
| 20 | 19 | rspcev 3605 |
. . . . 5
⊢ ((( I
↾ 𝐵) ∈ 𝑇 ∧ ∀𝑏 ∈ 𝑇 ((𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐺)) → ( I ↾ 𝐵) = ( I ↾ 𝐵))) → ∃𝑧 ∈ 𝑇 ∀𝑏 ∈ 𝑇 ((𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐺)) → 𝑧 = ( I ↾ 𝐵))) |
| 21 | 14, 16, 20 | sylancl 586 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝑁 ∈ 𝑇 ∧ (𝑅‘𝐹) = (𝑅‘𝑁)) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ 𝐺 = ( I ↾ 𝐵))) → ∃𝑧 ∈ 𝑇 ∀𝑏 ∈ 𝑇 ((𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐺)) → 𝑧 = ( I ↾ 𝐵))) |
| 22 | 1, 6, 7, 8 | cdlemftr2 40527 |
. . . . . 6
⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → ∃𝑏 ∈ 𝑇 (𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐺))) |
| 23 | 22 | 3ad2ant1 1133 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝑁 ∈ 𝑇 ∧ (𝑅‘𝐹) = (𝑅‘𝑁)) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ 𝐺 = ( I ↾ 𝐵))) → ∃𝑏 ∈ 𝑇 (𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐺))) |
| 24 | | reusv1 5377 |
. . . . 5
⊢
(∃𝑏 ∈
𝑇 (𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐺)) → (∃!𝑧 ∈ 𝑇 ∀𝑏 ∈ 𝑇 ((𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐺)) → 𝑧 = ( I ↾ 𝐵)) ↔ ∃𝑧 ∈ 𝑇 ∀𝑏 ∈ 𝑇 ((𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐺)) → 𝑧 = ( I ↾ 𝐵)))) |
| 25 | 23, 24 | syl 17 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝑁 ∈ 𝑇 ∧ (𝑅‘𝐹) = (𝑅‘𝑁)) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ 𝐺 = ( I ↾ 𝐵))) → (∃!𝑧 ∈ 𝑇 ∀𝑏 ∈ 𝑇 ((𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐺)) → 𝑧 = ( I ↾ 𝐵)) ↔ ∃𝑧 ∈ 𝑇 ∀𝑏 ∈ 𝑇 ((𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐺)) → 𝑧 = ( I ↾ 𝐵)))) |
| 26 | 21, 25 | mpbird 257 |
. . 3
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝑁 ∈ 𝑇 ∧ (𝑅‘𝐹) = (𝑅‘𝑁)) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ 𝐺 = ( I ↾ 𝐵))) → ∃!𝑧 ∈ 𝑇 ∀𝑏 ∈ 𝑇 ((𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐺)) → 𝑧 = ( I ↾ 𝐵))) |
| 27 | | riotacl 7387 |
. . 3
⊢
(∃!𝑧 ∈
𝑇 ∀𝑏 ∈ 𝑇 ((𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐺)) → 𝑧 = ( I ↾ 𝐵)) → (℩𝑧 ∈ 𝑇 ∀𝑏 ∈ 𝑇 ((𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐺)) → 𝑧 = ( I ↾ 𝐵))) ∈ 𝑇) |
| 28 | 26, 27 | syl 17 |
. 2
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝑁 ∈ 𝑇 ∧ (𝑅‘𝐹) = (𝑅‘𝑁)) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ 𝐺 = ( I ↾ 𝐵))) → (℩𝑧 ∈ 𝑇 ∀𝑏 ∈ 𝑇 ((𝑏 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐹) ∧ (𝑅‘𝑏) ≠ (𝑅‘𝐺)) → 𝑧 = ( I ↾ 𝐵))) ∈ 𝑇) |
| 29 | 12, 28 | eqeltrd 2833 |
1
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝑁 ∈ 𝑇 ∧ (𝑅‘𝐹) = (𝑅‘𝑁)) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ 𝐺 = ( I ↾ 𝐵))) → ⦋𝐺 / 𝑔⦌𝑋 ∈ 𝑇) |