Theorem 3dim2 40283

Description: Construct 2 new layers on top of 2 given atoms. (Contributed by NM, 27-Jul-2012.)

Hypotheses

Ref	Expression
3dim0.j	⊢ ∨ = (join‘𝐾)
3dim0.l	⊢ ≤ = (le‘𝐾)
3dim0.a	⊢ 𝐴 = (Atoms‘𝐾)

Assertion

Ref	Expression
3dim2	⊢ ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟)))

Distinct variable groups:   𝑠,𝑟,𝐴   ∨ ,𝑟,𝑠   ≤ ,𝑟,𝑠   𝑃,𝑟,𝑠   𝑄,𝑟,𝑠

Allowed substitution hints:   𝐾(𝑠, 𝑟)

Proof of Theorem 3dim2

Dummy variables 𝑢 𝑣 𝑤 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		3dim0.j	. . . 4 ⊢ ∨ = (join‘𝐾)
2		3dim0.l	. . . 4 ⊢ ≤ = (le‘𝐾)
3		3dim0.a	. . . 4 ⊢ 𝐴 = (Atoms‘𝐾)
4	1, 2, 3	3dim1 40282	. . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑄 ∈ 𝐴) → ∃𝑢 ∈ 𝐴 ∃𝑣 ∈ 𝐴 ∃𝑤 ∈ 𝐴 (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)))
5	4	3adant2 1149	. 2 ⊢ ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → ∃𝑢 ∈ 𝐴 ∃𝑣 ∈ 𝐴 ∃𝑤 ∈ 𝐴 (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)))
6		simpl21 1270	. . . . . . . . 9 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 = 𝑄) → 𝑢 ∈ 𝐴)
7		simpl22 1271	. . . . . . . . 9 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 = 𝑄) → 𝑣 ∈ 𝐴)
8		simp31 1228	. . . . . . . . . . . 12 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → 𝑄 ≠ 𝑢)
9	8	necomd 3016	. . . . . . . . . . 11 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → 𝑢 ≠ 𝑄)
10	9	adantr 486	. . . . . . . . . 10 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 = 𝑄) → 𝑢 ≠ 𝑄)
11		oveq1 7430	. . . . . . . . . . . . . 14 ⊢ (𝑃 = 𝑄 → (𝑃 ∨ 𝑄) = (𝑄 ∨ 𝑄))
12		simp11 1222	. . . . . . . . . . . . . . 15 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → 𝐾 ∈ HL)
13		simp13 1224	. . . . . . . . . . . . . . 15 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → 𝑄 ∈ 𝐴)
14	1, 3	hlatjidm 40184	. . . . . . . . . . . . . . 15 ⊢ ((𝐾 ∈ HL ∧ 𝑄 ∈ 𝐴) → (𝑄 ∨ 𝑄) = 𝑄)
15	12, 13, 14	syl2anc 596	. . . . . . . . . . . . . 14 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → (𝑄 ∨ 𝑄) = 𝑄)
16	11, 15	sylan9eqr 2823	. . . . . . . . . . . . 13 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 = 𝑄) → (𝑃 ∨ 𝑄) = 𝑄)
17	16	breq2d 5126	. . . . . . . . . . . 12 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 = 𝑄) → (𝑢 ≤ (𝑃 ∨ 𝑄) ↔ 𝑢 ≤ 𝑄))
18	17	notbid 321	. . . . . . . . . . 11 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 = 𝑄) → (¬ 𝑢 ≤ (𝑃 ∨ 𝑄) ↔ ¬ 𝑢 ≤ 𝑄))
19		hlatl 40175	. . . . . . . . . . . . . 14 ⊢ (𝐾 ∈ HL → 𝐾 ∈ AtLat)
20	12, 19	syl 18	. . . . . . . . . . . . 13 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → 𝐾 ∈ AtLat)
21		simp21 1225	. . . . . . . . . . . . 13 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → 𝑢 ∈ 𝐴)
22	2, 3	atncmp 40127	. . . . . . . . . . . . 13 ⊢ ((𝐾 ∈ AtLat ∧ 𝑢 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → (¬ 𝑢 ≤ 𝑄 ↔ 𝑢 ≠ 𝑄))
23	20, 21, 13, 22	syl3anc 1398	. . . . . . . . . . . 12 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → (¬ 𝑢 ≤ 𝑄 ↔ 𝑢 ≠ 𝑄))
24	23	adantr 486	. . . . . . . . . . 11 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 = 𝑄) → (¬ 𝑢 ≤ 𝑄 ↔ 𝑢 ≠ 𝑄))
25	18, 24	bitrd 282	. . . . . . . . . 10 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 = 𝑄) → (¬ 𝑢 ≤ (𝑃 ∨ 𝑄) ↔ 𝑢 ≠ 𝑄))
26	10, 25	mpbird 260	. . . . . . . . 9 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 = 𝑄) → ¬ 𝑢 ≤ (𝑃 ∨ 𝑄))
27		simpl32 1274	. . . . . . . . . 10 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 = 𝑄) → ¬ 𝑣 ≤ (𝑄 ∨ 𝑢))
28	16	oveq1d 7438	. . . . . . . . . . 11 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 = 𝑄) → ((𝑃 ∨ 𝑄) ∨ 𝑢) = (𝑄 ∨ 𝑢))
29	28	breq2d 5126	. . . . . . . . . 10 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 = 𝑄) → (𝑣 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢) ↔ 𝑣 ≤ (𝑄 ∨ 𝑢)))
30	27, 29	mtbird 328	. . . . . . . . 9 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 = 𝑄) → ¬ 𝑣 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢))
31		breq1 5117	. . . . . . . . . . . 12 ⊢ (𝑟 = 𝑢 → (𝑟 ≤ (𝑃 ∨ 𝑄) ↔ 𝑢 ≤ (𝑃 ∨ 𝑄)))
32	31	notbid 321	. . . . . . . . . . 11 ⊢ (𝑟 = 𝑢 → (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ↔ ¬ 𝑢 ≤ (𝑃 ∨ 𝑄)))
33		oveq2 7431	. . . . . . . . . . . . 13 ⊢ (𝑟 = 𝑢 → ((𝑃 ∨ 𝑄) ∨ 𝑟) = ((𝑃 ∨ 𝑄) ∨ 𝑢))
34	33	breq2d 5126	. . . . . . . . . . . 12 ⊢ (𝑟 = 𝑢 → (𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟) ↔ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢)))
35	34	notbid 321	. . . . . . . . . . 11 ⊢ (𝑟 = 𝑢 → (¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟) ↔ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢)))
36	32, 35	anbi12d 644	. . . . . . . . . 10 ⊢ (𝑟 = 𝑢 → ((¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟)) ↔ (¬ 𝑢 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢))))
37		breq1 5117	. . . . . . . . . . . 12 ⊢ (𝑠 = 𝑣 → (𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢) ↔ 𝑣 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢)))
38	37	notbid 321	. . . . . . . . . . 11 ⊢ (𝑠 = 𝑣 → (¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢) ↔ ¬ 𝑣 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢)))
39	38	anbi2d 642	. . . . . . . . . 10 ⊢ (𝑠 = 𝑣 → ((¬ 𝑢 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢)) ↔ (¬ 𝑢 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑣 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢))))
40	36, 39	rspc2ev 3597	. . . . . . . . 9 ⊢ ((𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ (¬ 𝑢 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑣 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢))) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟)))
41	6, 7, 26, 30, 40	syl112anc 1401	. . . . . . . 8 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 = 𝑄) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟)))
42		simp22 1226	. . . . . . . . . . . 12 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → 𝑣 ∈ 𝐴)
43		simp23 1227	. . . . . . . . . . . 12 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → 𝑤 ∈ 𝐴)
44	42, 43	jca 521	. . . . . . . . . . 11 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → (𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴))
45	44	ad2antrr 739	. . . . . . . . . 10 ⊢ (((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ 𝑃 ≤ (𝑄 ∨ 𝑢)) → (𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴))
46		simpll1 1231	. . . . . . . . . . . 12 ⊢ (((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ 𝑃 ≤ (𝑄 ∨ 𝑢)) → (𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴))
47		simp32 1229	. . . . . . . . . . . . . 14 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → ¬ 𝑣 ≤ (𝑄 ∨ 𝑢))
48		simp33 1230	. . . . . . . . . . . . . 14 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))
49	21, 47, 48	3jca 1146	. . . . . . . . . . . . 13 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → (𝑢 ∈ 𝐴 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)))
50	49	ad2antrr 739	. . . . . . . . . . . 12 ⊢ (((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ 𝑃 ≤ (𝑄 ∨ 𝑢)) → (𝑢 ∈ 𝐴 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)))
51		simplr 781	. . . . . . . . . . . 12 ⊢ (((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ 𝑃 ≤ (𝑄 ∨ 𝑢)) → 𝑃 ≠ 𝑄)
52		simpr 490	. . . . . . . . . . . 12 ⊢ (((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ 𝑃 ≤ (𝑄 ∨ 𝑢)) → 𝑃 ≤ (𝑄 ∨ 𝑢))
53	1, 2, 3	3dimlem2 40274	. . . . . . . . . . . 12 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) ∧ (𝑃 ≠ 𝑄 ∧ 𝑃 ≤ (𝑄 ∨ 𝑢))) → (𝑃 ≠ 𝑄 ∧ ¬ 𝑣 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑤 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑣)))
54	46, 50, 51, 52, 53	syl112anc 1401	. . . . . . . . . . 11 ⊢ (((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ 𝑃 ≤ (𝑄 ∨ 𝑢)) → (𝑃 ≠ 𝑄 ∧ ¬ 𝑣 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑤 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑣)))
55		3simpc 1168	. . . . . . . . . . 11 ⊢ ((𝑃 ≠ 𝑄 ∧ ¬ 𝑣 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑤 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑣)) → (¬ 𝑣 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑤 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑣)))
56	54, 55	syl 18	. . . . . . . . . 10 ⊢ (((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ 𝑃 ≤ (𝑄 ∨ 𝑢)) → (¬ 𝑣 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑤 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑣)))
57		breq1 5117	. . . . . . . . . . . . . 14 ⊢ (𝑟 = 𝑣 → (𝑟 ≤ (𝑃 ∨ 𝑄) ↔ 𝑣 ≤ (𝑃 ∨ 𝑄)))
58	57	notbid 321	. . . . . . . . . . . . 13 ⊢ (𝑟 = 𝑣 → (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ↔ ¬ 𝑣 ≤ (𝑃 ∨ 𝑄)))
59		oveq2 7431	. . . . . . . . . . . . . . 15 ⊢ (𝑟 = 𝑣 → ((𝑃 ∨ 𝑄) ∨ 𝑟) = ((𝑃 ∨ 𝑄) ∨ 𝑣))
60	59	breq2d 5126	. . . . . . . . . . . . . 14 ⊢ (𝑟 = 𝑣 → (𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟) ↔ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑣)))
61	60	notbid 321	. . . . . . . . . . . . 13 ⊢ (𝑟 = 𝑣 → (¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟) ↔ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑣)))
62	58, 61	anbi12d 644	. . . . . . . . . . . 12 ⊢ (𝑟 = 𝑣 → ((¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟)) ↔ (¬ 𝑣 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑣))))
63		breq1 5117	. . . . . . . . . . . . . 14 ⊢ (𝑠 = 𝑤 → (𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑣) ↔ 𝑤 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑣)))
64	63	notbid 321	. . . . . . . . . . . . 13 ⊢ (𝑠 = 𝑤 → (¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑣) ↔ ¬ 𝑤 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑣)))
65	64	anbi2d 642	. . . . . . . . . . . 12 ⊢ (𝑠 = 𝑤 → ((¬ 𝑣 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑣)) ↔ (¬ 𝑣 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑤 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑣))))
66	62, 65	rspc2ev 3597	. . . . . . . . . . 11 ⊢ ((𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴 ∧ (¬ 𝑣 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑤 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑣))) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟)))
67	66	3expa 1136	. . . . . . . . . 10 ⊢ (((𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (¬ 𝑣 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑤 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑣))) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟)))
68	45, 56, 67	syl2anc 596	. . . . . . . . 9 ⊢ (((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ 𝑃 ≤ (𝑄 ∨ 𝑢)) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟)))
69	21, 43	jca 521	. . . . . . . . . . . 12 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → (𝑢 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴))
70	69	ad3antrrr 743	. . . . . . . . . . 11 ⊢ ((((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ ¬ 𝑃 ≤ (𝑄 ∨ 𝑢)) ∧ 𝑃 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → (𝑢 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴))
71		simp1 1154	. . . . . . . . . . . . . . 15 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → (𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴))
72	21, 42	jca 521	. . . . . . . . . . . . . . 15 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴))
73	8, 48	jca 521	. . . . . . . . . . . . . . 15 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → (𝑄 ≠ 𝑢 ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)))
74	71, 72, 73	3jca 1146	. . . . . . . . . . . . . 14 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))))
75	74	ad3antrrr 743	. . . . . . . . . . . . 13 ⊢ ((((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ ¬ 𝑃 ≤ (𝑄 ∨ 𝑢)) ∧ 𝑃 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))))
76		simpllr 788	. . . . . . . . . . . . 13 ⊢ ((((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ ¬ 𝑃 ≤ (𝑄 ∨ 𝑢)) ∧ 𝑃 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → 𝑃 ≠ 𝑄)
77		simplr 781	. . . . . . . . . . . . 13 ⊢ ((((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ ¬ 𝑃 ≤ (𝑄 ∨ 𝑢)) ∧ 𝑃 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → ¬ 𝑃 ≤ (𝑄 ∨ 𝑢))
78		simpr 490	. . . . . . . . . . . . 13 ⊢ ((((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ ¬ 𝑃 ≤ (𝑄 ∨ 𝑢)) ∧ 𝑃 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → 𝑃 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))
79	1, 2, 3	3dimlem3 40276	. . . . . . . . . . . . 13 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ (𝑃 ≠ 𝑄 ∧ ¬ 𝑃 ≤ (𝑄 ∨ 𝑢) ∧ 𝑃 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → (𝑃 ≠ 𝑄 ∧ ¬ 𝑢 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑤 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢)))
80	75, 76, 77, 78, 79	syl13anc 1399	. . . . . . . . . . . 12 ⊢ ((((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ ¬ 𝑃 ≤ (𝑄 ∨ 𝑢)) ∧ 𝑃 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → (𝑃 ≠ 𝑄 ∧ ¬ 𝑢 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑤 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢)))
81		3simpc 1168	. . . . . . . . . . . 12 ⊢ ((𝑃 ≠ 𝑄 ∧ ¬ 𝑢 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑤 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢)) → (¬ 𝑢 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑤 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢)))
82	80, 81	syl 18	. . . . . . . . . . 11 ⊢ ((((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ ¬ 𝑃 ≤ (𝑄 ∨ 𝑢)) ∧ 𝑃 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → (¬ 𝑢 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑤 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢)))
83		breq1 5117	. . . . . . . . . . . . . . 15 ⊢ (𝑠 = 𝑤 → (𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢) ↔ 𝑤 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢)))
84	83	notbid 321	. . . . . . . . . . . . . 14 ⊢ (𝑠 = 𝑤 → (¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢) ↔ ¬ 𝑤 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢)))
85	84	anbi2d 642	. . . . . . . . . . . . 13 ⊢ (𝑠 = 𝑤 → ((¬ 𝑢 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢)) ↔ (¬ 𝑢 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑤 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢))))
86	36, 85	rspc2ev 3597	. . . . . . . . . . . 12 ⊢ ((𝑢 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴 ∧ (¬ 𝑢 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑤 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢))) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟)))
87	86	3expa 1136	. . . . . . . . . . 11 ⊢ (((𝑢 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (¬ 𝑢 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑤 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢))) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟)))
88	70, 82, 87	syl2anc 596	. . . . . . . . . 10 ⊢ ((((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ ¬ 𝑃 ≤ (𝑄 ∨ 𝑢)) ∧ 𝑃 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟)))
89	72	ad3antrrr 743	. . . . . . . . . . 11 ⊢ ((((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ ¬ 𝑃 ≤ (𝑄 ∨ 𝑢)) ∧ ¬ 𝑃 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴))
90	8, 47	jca 521	. . . . . . . . . . . . . . 15 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢)))
91	71, 72, 90	3jca 1146	. . . . . . . . . . . . . 14 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢))))
92	91	ad3antrrr 743	. . . . . . . . . . . . 13 ⊢ ((((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ ¬ 𝑃 ≤ (𝑄 ∨ 𝑢)) ∧ ¬ 𝑃 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢))))
93		simpllr 788	. . . . . . . . . . . . 13 ⊢ ((((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ ¬ 𝑃 ≤ (𝑄 ∨ 𝑢)) ∧ ¬ 𝑃 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → 𝑃 ≠ 𝑄)
94		simplr 781	. . . . . . . . . . . . 13 ⊢ ((((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ ¬ 𝑃 ≤ (𝑄 ∨ 𝑢)) ∧ ¬ 𝑃 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → ¬ 𝑃 ≤ (𝑄 ∨ 𝑢))
95		simpr 490	. . . . . . . . . . . . 13 ⊢ ((((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ ¬ 𝑃 ≤ (𝑄 ∨ 𝑢)) ∧ ¬ 𝑃 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → ¬ 𝑃 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))
96	1, 2, 3	3dimlem4 40279	. . . . . . . . . . . . 13 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢))) ∧ (𝑃 ≠ 𝑄 ∧ ¬ 𝑃 ≤ (𝑄 ∨ 𝑢)) ∧ ¬ 𝑃 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → (𝑃 ≠ 𝑄 ∧ ¬ 𝑢 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑣 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢)))
97	92, 93, 94, 95, 96	syl121anc 1402	. . . . . . . . . . . 12 ⊢ ((((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ ¬ 𝑃 ≤ (𝑄 ∨ 𝑢)) ∧ ¬ 𝑃 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → (𝑃 ≠ 𝑄 ∧ ¬ 𝑢 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑣 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢)))
98		3simpc 1168	. . . . . . . . . . . 12 ⊢ ((𝑃 ≠ 𝑄 ∧ ¬ 𝑢 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑣 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢)) → (¬ 𝑢 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑣 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢)))
99	97, 98	syl 18	. . . . . . . . . . 11 ⊢ ((((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ ¬ 𝑃 ≤ (𝑄 ∨ 𝑢)) ∧ ¬ 𝑃 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → (¬ 𝑢 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑣 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢)))
100	40	3expa 1136	. . . . . . . . . . 11 ⊢ (((𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴) ∧ (¬ 𝑢 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑣 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑢))) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟)))
101	89, 99, 100	syl2anc 596	. . . . . . . . . 10 ⊢ ((((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ ¬ 𝑃 ≤ (𝑄 ∨ 𝑢)) ∧ ¬ 𝑃 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟)))
102	88, 101	pm2.61dan 825	. . . . . . . . 9 ⊢ (((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) ∧ ¬ 𝑃 ≤ (𝑄 ∨ 𝑢)) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟)))
103	68, 102	pm2.61dan 825	. . . . . . . 8 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) ∧ 𝑃 ≠ 𝑄) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟)))
104	41, 103	pm2.61dane 3048	. . . . . . 7 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) ∧ (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣))) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟)))
105	104	3exp 1137	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → ((𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) → ((𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟)))))
106	105	3expd 1372	. . . . 5 ⊢ ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → (𝑢 ∈ 𝐴 → (𝑣 ∈ 𝐴 → (𝑤 ∈ 𝐴 → ((𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟)))))))
107	106	imp32 424	. . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴)) → (𝑤 ∈ 𝐴 → ((𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟)))))
108	107	rexlimdv 3167	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑢 ∈ 𝐴 ∧ 𝑣 ∈ 𝐴)) → (∃𝑤 ∈ 𝐴 (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟))))
109	108	rexlimdvva 3225	. 2 ⊢ ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → (∃𝑢 ∈ 𝐴 ∃𝑣 ∈ 𝐴 ∃𝑤 ∈ 𝐴 (𝑄 ≠ 𝑢 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑢) ∧ ¬ 𝑤 ≤ ((𝑄 ∨ 𝑢) ∨ 𝑣)) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟))))
110	5, 109	mpd 16	1 ⊢ ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (¬ 𝑟 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝑠 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑟)))

This proof depends on syntax axioms:  ¬ wn 3   → wi 4   ↔ wb 209   ∧ wa 401   ∧ w3a 1103   = wceq 1570   ∈ wcel 2146   ≠ wne 2961  ∃wrex 3092   class class class wbr 5114  ‘cfv 6543  (class class class)co 7423  lecple 17342  joincjn 18392  Atomscatm 40078  AtLatcal 40079  HLchlt 40165

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2148  ax-9 2156  ax-10 2179  ax-11 2195  ax-12 2216  ax-ext 2738  ax-rep 5243  ax-sep 5262  ax-nul 5274  ax-pow 5341  ax-pr 5409  ax-un 7745

This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  df-mo 2570  df-eu 2600  df-clab 2745  df-cleq 2758  df-clel 2841  df-nfc 2915  df-ne 2962  df-ral 3083  df-rex 3093  df-rmo 3372  df-reu 3373  df-rab 3420  df-v 3460  df-sbc 3748  df-csb 3857  df-dif 3911  df-un 3913  df-in 3915  df-ss 3925  df-nul 4290  df-if 4493  df-pw 4569  df-sn 4595  df-pr 4597  df-op 4601  df-uni 4878  df-iun 4963  df-br 5115  df-opab 5179  df-mpt 5198  df-id 5561  df-xp 5672  df-rel 5673  df-cnv 5674  df-co 5675  df-dm 5676  df-rn 5677  df-res 5678  df-ima 5679  df-iota 6499  df-fun 6545  df-fn 6546  df-f 6547  df-f1 6548  df-fo 6549  df-f1o 6550  df-fv 6551  df-riota 7380  df-ov 7426  df-oprab 7427  df-proset 18375  df-poset 18394  df-plt 18409  df-lub 18425  df-glb 18426  df-join 18427  df-meet 18428  df-p0 18504  df-p1 18505  df-lat 18513  df-clat 18580  df-oposet 39991  df-ol 39993  df-oml 39994  df-covers 40081  df-ats 40082  df-atl 40113  df-cvlat 40137  df-hlat 40166

This theorem is used by:  3dim3  40284  lhp2lt  40816