Theorem 4atexlemex6 40773

Description: Lemma for 4atexlem7 40774. (Contributed by NM, 25-Nov-2012.)

Hypotheses

Ref	Expression
4thatleme.l	⊢ ≤ = (le‘𝐾)
4thatleme.j	⊢ ∨ = (join‘𝐾)
4thatleme.m	⊢ ∧ = (meet‘𝐾)
4thatleme.a	⊢ 𝐴 = (Atoms‘𝐾)
4thatleme.h	⊢ 𝐻 = (LHyp‘𝐾)

Assertion

Ref	Expression
4atexlemex6	⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) → ∃𝑧 ∈ 𝐴 (¬ 𝑧 ≤ 𝑊 ∧ (𝑃 ∨ 𝑧) = (𝑆 ∨ 𝑧)))

Distinct variable groups:   𝑧,𝐴   𝑧, ∨   𝑧, ≤   𝑧, ∧   𝑧,𝑃   𝑧,𝑄   𝑧,𝑅   𝑧,𝑆   𝑧,𝑊

Allowed substitution hints:   𝐻(𝑧)   𝐾(𝑧)

Proof of Theorem 4atexlemex6

Dummy variable 𝑡 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		simp11l 1301	. . 3 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) → 𝐾 ∈ HL)
2		simp11 1220	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
3		simp12 1221	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) → (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊))
4		simp13l 1305	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) → 𝑄 ∈ 𝐴)
5		simp32 1227	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) → 𝑃 ≠ 𝑄)
6		4thatleme.l	. . . . 5 ⊢ ≤ = (le‘𝐾)
7		4thatleme.j	. . . . 5 ⊢ ∨ = (join‘𝐾)
8		4thatleme.m	. . . . 5 ⊢ ∧ = (meet‘𝐾)
9		4thatleme.a	. . . . 5 ⊢ 𝐴 = (Atoms‘𝐾)
10		4thatleme.h	. . . . 5 ⊢ 𝐻 = (LHyp‘𝐾)
11	6, 7, 8, 9, 10	lhpat 40742	. . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ 𝑃 ≠ 𝑄)) → ((𝑃 ∨ 𝑄) ∧ 𝑊) ∈ 𝐴)
12	2, 3, 4, 5, 11	syl112anc 1399	. . 3 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) → ((𝑃 ∨ 𝑄) ∧ 𝑊) ∈ 𝐴)
13		simp2r 1217	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) → 𝑆 ∈ 𝐴)
14		simp12l 1303	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) → 𝑃 ∈ 𝐴)
15		simp33 1228	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) → ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))
16	6, 7, 9	atnlej1 40078	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ (𝑆 ∈ 𝐴 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄)) → 𝑆 ≠ 𝑃)
17	1, 13, 14, 4, 15, 16	syl131anc 1408	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) → 𝑆 ≠ 𝑃)
18	17	necomd 3019	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) → 𝑃 ≠ 𝑆)
19	6, 7, 8, 9, 10	lhpat 40742	. . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑆 ∈ 𝐴 ∧ 𝑃 ≠ 𝑆)) → ((𝑃 ∨ 𝑆) ∧ 𝑊) ∈ 𝐴)
20	2, 3, 13, 18, 19	syl112anc 1399	. . 3 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) → ((𝑃 ∨ 𝑆) ∧ 𝑊) ∈ 𝐴)
21	7, 9	hlsupr2 40086	. . 3 ⊢ ((𝐾 ∈ HL ∧ ((𝑃 ∨ 𝑄) ∧ 𝑊) ∈ 𝐴 ∧ ((𝑃 ∨ 𝑆) ∧ 𝑊) ∈ 𝐴) → ∃𝑡 ∈ 𝐴 (((𝑃 ∨ 𝑄) ∧ 𝑊) ∨ 𝑡) = (((𝑃 ∨ 𝑆) ∧ 𝑊) ∨ 𝑡))
22	1, 12, 20, 21	syl3anc 1396	. 2 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) → ∃𝑡 ∈ 𝐴 (((𝑃 ∨ 𝑄) ∧ 𝑊) ∨ 𝑡) = (((𝑃 ∨ 𝑆) ∧ 𝑊) ∨ 𝑡))
23		simp111 1319	. . . 4 ⊢ (((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) ∧ 𝑡 ∈ 𝐴 ∧ (((𝑃 ∨ 𝑄) ∧ 𝑊) ∨ 𝑡) = (((𝑃 ∨ 𝑆) ∧ 𝑊) ∨ 𝑡)) → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
24		simp112 1320	. . . 4 ⊢ (((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) ∧ 𝑡 ∈ 𝐴 ∧ (((𝑃 ∨ 𝑄) ∧ 𝑊) ∨ 𝑡) = (((𝑃 ∨ 𝑆) ∧ 𝑊) ∨ 𝑡)) → (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊))
25		simp113 1321	. . . 4 ⊢ (((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) ∧ 𝑡 ∈ 𝐴 ∧ (((𝑃 ∨ 𝑄) ∧ 𝑊) ∨ 𝑡) = (((𝑃 ∨ 𝑆) ∧ 𝑊) ∨ 𝑡)) → (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊))
26		simp12r 1304	. . . 4 ⊢ (((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) ∧ 𝑡 ∈ 𝐴 ∧ (((𝑃 ∨ 𝑄) ∧ 𝑊) ∨ 𝑡) = (((𝑃 ∨ 𝑆) ∧ 𝑊) ∨ 𝑡)) → 𝑆 ∈ 𝐴)
27		simp2ll 1257	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) → 𝑅 ∈ 𝐴)
28	27	3ad2ant1 1149	. . . . 5 ⊢ (((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) ∧ 𝑡 ∈ 𝐴 ∧ (((𝑃 ∨ 𝑄) ∧ 𝑊) ∨ 𝑡) = (((𝑃 ∨ 𝑆) ∧ 𝑊) ∨ 𝑡)) → 𝑅 ∈ 𝐴)
29		simp2lr 1258	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) → ¬ 𝑅 ≤ 𝑊)
30	29	3ad2ant1 1149	. . . . 5 ⊢ (((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) ∧ 𝑡 ∈ 𝐴 ∧ (((𝑃 ∨ 𝑄) ∧ 𝑊) ∨ 𝑡) = (((𝑃 ∨ 𝑆) ∧ 𝑊) ∨ 𝑡)) → ¬ 𝑅 ≤ 𝑊)
31		simp131 1325	. . . . 5 ⊢ (((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) ∧ 𝑡 ∈ 𝐴 ∧ (((𝑃 ∨ 𝑄) ∧ 𝑊) ∨ 𝑡) = (((𝑃 ∨ 𝑆) ∧ 𝑊) ∨ 𝑡)) → (𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅))
32	28, 30, 31	3jca 1144	. . . 4 ⊢ (((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) ∧ 𝑡 ∈ 𝐴 ∧ (((𝑃 ∨ 𝑄) ∧ 𝑊) ∨ 𝑡) = (((𝑃 ∨ 𝑆) ∧ 𝑊) ∨ 𝑡)) → (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ∧ (𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅)))
33		3simpc 1166	. . . 4 ⊢ (((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) ∧ 𝑡 ∈ 𝐴 ∧ (((𝑃 ∨ 𝑄) ∧ 𝑊) ∨ 𝑡) = (((𝑃 ∨ 𝑆) ∧ 𝑊) ∨ 𝑡)) → (𝑡 ∈ 𝐴 ∧ (((𝑃 ∨ 𝑄) ∧ 𝑊) ∨ 𝑡) = (((𝑃 ∨ 𝑆) ∧ 𝑊) ∨ 𝑡)))
34		simp132 1326	. . . 4 ⊢ (((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) ∧ 𝑡 ∈ 𝐴 ∧ (((𝑃 ∨ 𝑄) ∧ 𝑊) ∨ 𝑡) = (((𝑃 ∨ 𝑆) ∧ 𝑊) ∨ 𝑡)) → 𝑃 ≠ 𝑄)
35		simp133 1327	. . . 4 ⊢ (((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) ∧ 𝑡 ∈ 𝐴 ∧ (((𝑃 ∨ 𝑄) ∧ 𝑊) ∨ 𝑡) = (((𝑃 ∨ 𝑆) ∧ 𝑊) ∨ 𝑡)) → ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))
36		biid 264	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ (𝑆 ∈ 𝐴 ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ∧ (𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅)) ∧ (𝑡 ∈ 𝐴 ∧ (((𝑃 ∨ 𝑄) ∧ 𝑊) ∨ 𝑡) = (((𝑃 ∨ 𝑆) ∧ 𝑊) ∨ 𝑡))) ∧ (𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) ↔ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ (𝑆 ∈ 𝐴 ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ∧ (𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅)) ∧ (𝑡 ∈ 𝐴 ∧ (((𝑃 ∨ 𝑄) ∧ 𝑊) ∨ 𝑡) = (((𝑃 ∨ 𝑆) ∧ 𝑊) ∨ 𝑡))) ∧ (𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))))
37		eqid 2769	. . . . . 6 ⊢ ((𝑃 ∨ 𝑄) ∧ 𝑊) = ((𝑃 ∨ 𝑄) ∧ 𝑊)
38		eqid 2769	. . . . . 6 ⊢ ((𝑃 ∨ 𝑆) ∧ 𝑊) = ((𝑃 ∨ 𝑆) ∧ 𝑊)
39		eqid 2769	. . . . . 6 ⊢ ((𝑄 ∨ 𝑡) ∧ (𝑃 ∨ 𝑆)) = ((𝑄 ∨ 𝑡) ∧ (𝑃 ∨ 𝑆))
40		eqid 2769	. . . . . 6 ⊢ ((𝑅 ∨ 𝑡) ∧ (𝑃 ∨ 𝑆)) = ((𝑅 ∨ 𝑡) ∧ (𝑃 ∨ 𝑆))
41	36, 6, 7, 8, 9, 10, 37, 38, 39, 40	4atexlemex4 40772	. . . . 5 ⊢ (((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ (𝑆 ∈ 𝐴 ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ∧ (𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅)) ∧ (𝑡 ∈ 𝐴 ∧ (((𝑃 ∨ 𝑄) ∧ 𝑊) ∨ 𝑡) = (((𝑃 ∨ 𝑆) ∧ 𝑊) ∨ 𝑡))) ∧ (𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) ∧ ((𝑄 ∨ 𝑡) ∧ (𝑃 ∨ 𝑆)) = 𝑆) → ∃𝑧 ∈ 𝐴 (¬ 𝑧 ≤ 𝑊 ∧ (𝑃 ∨ 𝑧) = (𝑆 ∨ 𝑧)))
42	36, 6, 7, 8, 9, 10, 37, 38, 39	4atexlemex2 40770	. . . . 5 ⊢ (((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ (𝑆 ∈ 𝐴 ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ∧ (𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅)) ∧ (𝑡 ∈ 𝐴 ∧ (((𝑃 ∨ 𝑄) ∧ 𝑊) ∨ 𝑡) = (((𝑃 ∨ 𝑆) ∧ 𝑊) ∨ 𝑡))) ∧ (𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) ∧ ((𝑄 ∨ 𝑡) ∧ (𝑃 ∨ 𝑆)) ≠ 𝑆) → ∃𝑧 ∈ 𝐴 (¬ 𝑧 ≤ 𝑊 ∧ (𝑃 ∨ 𝑧) = (𝑆 ∨ 𝑧)))
43	41, 42	pm2.61dane 3051	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ (𝑆 ∈ 𝐴 ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ∧ (𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅)) ∧ (𝑡 ∈ 𝐴 ∧ (((𝑃 ∨ 𝑄) ∧ 𝑊) ∨ 𝑡) = (((𝑃 ∨ 𝑆) ∧ 𝑊) ∨ 𝑡))) ∧ (𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) → ∃𝑧 ∈ 𝐴 (¬ 𝑧 ≤ 𝑊 ∧ (𝑃 ∨ 𝑧) = (𝑆 ∨ 𝑧)))
44	23, 24, 25, 26, 32, 33, 34, 35, 43	syl332anc 1426	. . 3 ⊢ (((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) ∧ 𝑡 ∈ 𝐴 ∧ (((𝑃 ∨ 𝑄) ∧ 𝑊) ∨ 𝑡) = (((𝑃 ∨ 𝑆) ∧ 𝑊) ∨ 𝑡)) → ∃𝑧 ∈ 𝐴 (¬ 𝑧 ≤ 𝑊 ∧ (𝑃 ∨ 𝑧) = (𝑆 ∨ 𝑧)))
45	44	rexlimdv3a 3176	. 2 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) → (∃𝑡 ∈ 𝐴 (((𝑃 ∨ 𝑄) ∧ 𝑊) ∨ 𝑡) = (((𝑃 ∨ 𝑆) ∧ 𝑊) ∨ 𝑡) → ∃𝑧 ∈ 𝐴 (¬ 𝑧 ≤ 𝑊 ∧ (𝑃 ∨ 𝑧) = (𝑆 ∨ 𝑧))))
46	22, 45	mpd 16	1 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑆 ∈ 𝐴) ∧ ((𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅) ∧ 𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄))) → ∃𝑧 ∈ 𝐴 (¬ 𝑧 ≤ 𝑊 ∧ (𝑃 ∨ 𝑧) = (𝑆 ∨ 𝑧)))

Syntax hints:  ¬ wn 3   → wi 4   ∧ wa 400   ∧ w3a 1101   = wceq 1567   ∈ wcel 2149   ≠ wne 2964  ∃wrex 3095   class class class wbr 5111  ‘cfv 6537  (class class class)co 7411  lecple 17317  joincjn 18367  meetcmee 18368  Atomscatm 39962  HLchlt 40049  LHypclh 40683

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1822  ax-4 1836  ax-5 1937  ax-6 1994  ax-7 2035  ax-8 2151  ax-9 2159  ax-10 2182  ax-11 2198  ax-12 2219  ax-ext 2741  ax-rep 5240  ax-sep 5259  ax-nul 5271  ax-pow 5337  ax-pr 5405  ax-un 7733

This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1103  df-tru 1570  df-fal 1580  df-ex 1807  df-nf 1811  df-sb 2098  df-mo 2573  df-eu 2603  df-clab 2748  df-cleq 2761  df-clel 2844  df-nfc 2918  df-ne 2965  df-ral 3086  df-rex 3096  df-rmo 3375  df-reu 3376  df-rab 3423  df-v 3463  df-sbc 3752  df-csb 3860  df-dif 3914  df-un 3916  df-in 3918  df-ss 3928  df-nul 4293  df-if 4491  df-pw 4567  df-sn 4593  df-pr 4595  df-op 4599  df-uni 4875  df-iun 4960  df-br 5112  df-opab 5176  df-mpt 5195  df-id 5557  df-xp 5668  df-rel 5669  df-cnv 5670  df-co 5671  df-dm 5672  df-rn 5673  df-res 5674  df-ima 5675  df-iota 6493  df-fun 6539  df-fn 6540  df-f 6541  df-f1 6542  df-fo 6543  df-f1o 6544  df-fv 6545  df-riota 7368  df-ov 7414  df-oprab 7415  df-proset 18350  df-poset 18369  df-plt 18384  df-lub 18400  df-glb 18401  df-join 18402  df-meet 18403  df-p0 18479  df-p1 18480  df-lat 18488  df-clat 18555  df-oposet 39875  df-ol 39877  df-oml 39878  df-covers 39965  df-ats 39966  df-atl 39997  df-cvlat 40021  df-hlat 40050  df-llines 40197  df-lplanes 40198  df-lhyp 40687

This theorem is referenced by:  4atexlem7  40774