Proof of Theorem cdlemg12c
| Step | Hyp | Ref | Expression | 
|---|
| 1 |  | cdlemg12.l | . . 3
⊢  ≤ =
(le‘𝐾) | 
| 2 |  | cdlemg12.j | . . 3
⊢  ∨ =
(join‘𝐾) | 
| 3 |  | cdlemg12.m | . . 3
⊢  ∧ =
(meet‘𝐾) | 
| 4 |  | cdlemg12.a | . . 3
⊢ 𝐴 = (Atoms‘𝐾) | 
| 5 |  | cdlemg12.h | . . 3
⊢ 𝐻 = (LHyp‘𝐾) | 
| 6 |  | cdlemg12.t | . . 3
⊢ 𝑇 = ((LTrn‘𝐾)‘𝑊) | 
| 7 |  | cdlemg12b.r | . . 3
⊢ 𝑅 = ((trL‘𝐾)‘𝑊) | 
| 8 | 1, 2, 3, 4, 5, 6, 7 | cdlemg12b 40647 | . 2
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝐺 ∈ 𝑇 ∧ 𝑃 ≠ 𝑄 ∧ ¬ (𝑅‘𝐺) ≤ (𝑃 ∨ 𝑄))) → ((𝑃 ∨ 𝑄) ∧ ((𝐺‘𝑃) ∨ (𝐺‘𝑄))) ≤ ((𝐹‘(𝐺‘𝑃)) ∨ (𝐹‘(𝐺‘𝑄)))) | 
| 9 |  | simp1l 1197 | . . 3
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝐺 ∈ 𝑇 ∧ 𝑃 ≠ 𝑄 ∧ ¬ (𝑅‘𝐺) ≤ (𝑃 ∨ 𝑄))) → 𝐾 ∈ HL) | 
| 10 |  | simp21l 1290 | . . 3
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝐺 ∈ 𝑇 ∧ 𝑃 ≠ 𝑄 ∧ ¬ (𝑅‘𝐺) ≤ (𝑃 ∨ 𝑄))) → 𝑃 ∈ 𝐴) | 
| 11 |  | simp1 1136 | . . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝐺 ∈ 𝑇 ∧ 𝑃 ≠ 𝑄 ∧ ¬ (𝑅‘𝐺) ≤ (𝑃 ∨ 𝑄))) → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻)) | 
| 12 |  | simp31 1209 | . . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝐺 ∈ 𝑇 ∧ 𝑃 ≠ 𝑄 ∧ ¬ (𝑅‘𝐺) ≤ (𝑃 ∨ 𝑄))) → 𝐺 ∈ 𝑇) | 
| 13 | 1, 4, 5, 6 | ltrnat 40143 | . . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐺 ∈ 𝑇 ∧ 𝑃 ∈ 𝐴) → (𝐺‘𝑃) ∈ 𝐴) | 
| 14 | 11, 12, 10, 13 | syl3anc 1372 | . . 3
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝐺 ∈ 𝑇 ∧ 𝑃 ≠ 𝑄 ∧ ¬ (𝑅‘𝐺) ≤ (𝑃 ∨ 𝑄))) → (𝐺‘𝑃) ∈ 𝐴) | 
| 15 |  | simp23 1208 | . . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝐺 ∈ 𝑇 ∧ 𝑃 ≠ 𝑄 ∧ ¬ (𝑅‘𝐺) ≤ (𝑃 ∨ 𝑄))) → 𝐹 ∈ 𝑇) | 
| 16 | 1, 4, 5, 6 | ltrnat 40143 | . . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝐺‘𝑃) ∈ 𝐴) → (𝐹‘(𝐺‘𝑃)) ∈ 𝐴) | 
| 17 | 11, 15, 14, 16 | syl3anc 1372 | . . 3
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝐺 ∈ 𝑇 ∧ 𝑃 ≠ 𝑄 ∧ ¬ (𝑅‘𝐺) ≤ (𝑃 ∨ 𝑄))) → (𝐹‘(𝐺‘𝑃)) ∈ 𝐴) | 
| 18 |  | simp22l 1292 | . . 3
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝐺 ∈ 𝑇 ∧ 𝑃 ≠ 𝑄 ∧ ¬ (𝑅‘𝐺) ≤ (𝑃 ∨ 𝑄))) → 𝑄 ∈ 𝐴) | 
| 19 | 1, 4, 5, 6 | ltrnat 40143 | . . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐺 ∈ 𝑇 ∧ 𝑄 ∈ 𝐴) → (𝐺‘𝑄) ∈ 𝐴) | 
| 20 | 11, 12, 18, 19 | syl3anc 1372 | . . 3
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝐺 ∈ 𝑇 ∧ 𝑃 ≠ 𝑄 ∧ ¬ (𝑅‘𝐺) ≤ (𝑃 ∨ 𝑄))) → (𝐺‘𝑄) ∈ 𝐴) | 
| 21 | 1, 4, 5, 6 | ltrncoat 40147 | . . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ 𝑄 ∈ 𝐴) → (𝐹‘(𝐺‘𝑄)) ∈ 𝐴) | 
| 22 | 11, 15, 12, 18, 21 | syl121anc 1376 | . . 3
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝐺 ∈ 𝑇 ∧ 𝑃 ≠ 𝑄 ∧ ¬ (𝑅‘𝐺) ≤ (𝑃 ∨ 𝑄))) → (𝐹‘(𝐺‘𝑄)) ∈ 𝐴) | 
| 23 | 1, 2, 3, 4 | dalaw 39889 | . . 3
⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ (𝐺‘𝑃) ∈ 𝐴 ∧ (𝐹‘(𝐺‘𝑃)) ∈ 𝐴) ∧ (𝑄 ∈ 𝐴 ∧ (𝐺‘𝑄) ∈ 𝐴 ∧ (𝐹‘(𝐺‘𝑄)) ∈ 𝐴)) → (((𝑃 ∨ 𝑄) ∧ ((𝐺‘𝑃) ∨ (𝐺‘𝑄))) ≤ ((𝐹‘(𝐺‘𝑃)) ∨ (𝐹‘(𝐺‘𝑄))) → ((𝑃 ∨ (𝐺‘𝑃)) ∧ (𝑄 ∨ (𝐺‘𝑄))) ≤ ((((𝐺‘𝑃) ∨ (𝐹‘(𝐺‘𝑃))) ∧ ((𝐺‘𝑄) ∨ (𝐹‘(𝐺‘𝑄)))) ∨ (((𝐹‘(𝐺‘𝑃)) ∨ 𝑃) ∧ ((𝐹‘(𝐺‘𝑄)) ∨ 𝑄))))) | 
| 24 | 9, 10, 14, 17, 18, 20, 22, 23 | syl133anc 1394 | . 2
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝐺 ∈ 𝑇 ∧ 𝑃 ≠ 𝑄 ∧ ¬ (𝑅‘𝐺) ≤ (𝑃 ∨ 𝑄))) → (((𝑃 ∨ 𝑄) ∧ ((𝐺‘𝑃) ∨ (𝐺‘𝑄))) ≤ ((𝐹‘(𝐺‘𝑃)) ∨ (𝐹‘(𝐺‘𝑄))) → ((𝑃 ∨ (𝐺‘𝑃)) ∧ (𝑄 ∨ (𝐺‘𝑄))) ≤ ((((𝐺‘𝑃) ∨ (𝐹‘(𝐺‘𝑃))) ∧ ((𝐺‘𝑄) ∨ (𝐹‘(𝐺‘𝑄)))) ∨ (((𝐹‘(𝐺‘𝑃)) ∨ 𝑃) ∧ ((𝐹‘(𝐺‘𝑄)) ∨ 𝑄))))) | 
| 25 | 8, 24 | mpd 15 | 1
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝐺 ∈ 𝑇 ∧ 𝑃 ≠ 𝑄 ∧ ¬ (𝑅‘𝐺) ≤ (𝑃 ∨ 𝑄))) → ((𝑃 ∨ (𝐺‘𝑃)) ∧ (𝑄 ∨ (𝐺‘𝑄))) ≤ ((((𝐺‘𝑃) ∨ (𝐹‘(𝐺‘𝑃))) ∧ ((𝐺‘𝑄) ∨ (𝐹‘(𝐺‘𝑄)))) ∨ (((𝐹‘(𝐺‘𝑃)) ∨ 𝑃) ∧ ((𝐹‘(𝐺‘𝑄)) ∨ 𝑄)))) |