Theorem cdlemg18c 41126

Description: Show two lines intersect at an atom. TODO: fix comment. (Contributed by NM, 15-May-2013.)

Hypotheses

Ref	Expression
cdlemg12.l	⊢ ≤ = (le‘𝐾)
cdlemg12.j	⊢ ∨ = (join‘𝐾)
cdlemg12.m	⊢ ∧ = (meet‘𝐾)
cdlemg12.a	⊢ 𝐴 = (Atoms‘𝐾)
cdlemg12.h	⊢ 𝐻 = (LHyp‘𝐾)
cdlemg12.t	⊢ 𝑇 = ((LTrn‘𝐾)‘𝑊)
cdlemg12b.r	⊢ 𝑅 = ((trL‘𝐾)‘𝑊)
cdlemg18b.u	⊢ 𝑈 = ((𝑃 ∨ 𝑄) ∧ 𝑊)

Assertion

Ref	Expression
cdlemg18c	⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → ((𝑃 ∨ (𝐹‘𝑄)) ∧ (𝑄 ∨ (𝐹‘𝑃))) ∈ 𝐴)

Proof of Theorem cdlemg18c

Step	Hyp	Ref	Expression
1		simp1l 1199	. 2 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → 𝐾 ∈ HL)
2		simp21l 1292	. 2 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → 𝑃 ∈ 𝐴)
3		simp1r 1200	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → 𝑊 ∈ 𝐻)
4		simp21 1208	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊))
5		simp22l 1294	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → 𝑄 ∈ 𝐴)
6		simp31 1211	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → 𝑃 ≠ 𝑄)
7		cdlemg12.l	. . . 4 ⊢ ≤ = (le‘𝐾)
8		cdlemg12.j	. . . 4 ⊢ ∨ = (join‘𝐾)
9		cdlemg12.m	. . . 4 ⊢ ∧ = (meet‘𝐾)
10		cdlemg12.a	. . . 4 ⊢ 𝐴 = (Atoms‘𝐾)
11		cdlemg12.h	. . . 4 ⊢ 𝐻 = (LHyp‘𝐾)
12		cdlemg18b.u	. . . 4 ⊢ 𝑈 = ((𝑃 ∨ 𝑄) ∧ 𝑊)
13	7, 8, 9, 10, 11, 12	cdleme0a 40657	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ 𝑃 ≠ 𝑄)) → 𝑈 ∈ 𝐴)
14	1, 3, 4, 5, 6, 13	syl212anc 1383	. 2 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → 𝑈 ∈ 𝐴)
15		simp1 1137	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
16		simp23 1210	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → 𝐹 ∈ 𝑇)
17		cdlemg12.t	. . . 4 ⊢ 𝑇 = ((LTrn‘𝐾)‘𝑊)
18	7, 10, 11, 17	ltrnat 40586	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝑄 ∈ 𝐴) → (𝐹‘𝑄) ∈ 𝐴)
19	15, 16, 5, 18	syl3anc 1374	. 2 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → (𝐹‘𝑄) ∈ 𝐴)
20	7, 10, 11, 17	ltrnat 40586	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝑃 ∈ 𝐴) → (𝐹‘𝑃) ∈ 𝐴)
21	15, 16, 2, 20	syl3anc 1374	. 2 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → (𝐹‘𝑃) ∈ 𝐴)
22		cdlemg12b.r	. . . 4 ⊢ 𝑅 = ((trL‘𝐾)‘𝑊)
23	7, 8, 9, 10, 11, 17, 22, 12	cdlemg18b 41125	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → ¬ 𝑃 ≤ (𝑈 ∨ (𝐹‘𝑄)))
24		simp32 1212	. . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → (𝐹‘𝑃) ≠ 𝑄)
25	24	necomd 2987	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → 𝑄 ≠ (𝐹‘𝑃))
26	23, 25	jca 511	. 2 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → (¬ 𝑃 ≤ (𝑈 ∨ (𝐹‘𝑄)) ∧ 𝑄 ≠ (𝐹‘𝑃)))
27		simp33 1213	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))
28	7, 8, 9, 10, 11, 17, 22	cdlemg18a 41124	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → (𝑃 ∨ (𝐹‘𝑄)) ≠ (𝑄 ∨ (𝐹‘𝑃)))
29	15, 2, 5, 16, 6, 27, 28	syl132anc 1391	. 2 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → (𝑃 ∨ (𝐹‘𝑄)) ≠ (𝑄 ∨ (𝐹‘𝑃)))
30	7, 8, 10	hlatlej2 39822	. . . . 5 ⊢ ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → 𝑄 ≤ (𝑃 ∨ 𝑄))
31	1, 2, 5, 30	syl3anc 1374	. . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → 𝑄 ≤ (𝑃 ∨ 𝑄))
32	7, 8, 9, 10, 11, 12	cdleme0cp 40660	. . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ 𝑄 ∈ 𝐴)) → (𝑃 ∨ 𝑈) = (𝑃 ∨ 𝑄))
33	1, 3, 4, 5, 32	syl22anc 839	. . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → (𝑃 ∨ 𝑈) = (𝑃 ∨ 𝑄))
34	31, 33	breqtrrd 5113	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → 𝑄 ≤ (𝑃 ∨ 𝑈))
35	7, 8, 10	hlatlej2 39822	. . . . 5 ⊢ ((𝐾 ∈ HL ∧ (𝐹‘𝑄) ∈ 𝐴 ∧ (𝐹‘𝑃) ∈ 𝐴) → (𝐹‘𝑃) ≤ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)))
36	1, 19, 21, 35	syl3anc 1374	. . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → (𝐹‘𝑃) ≤ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)))
37		simp22 1209	. . . . . 6 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊))
38	11, 17, 7, 8, 10, 9, 12	cdlemg2kq 41048	. . . . . 6 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ 𝐹 ∈ 𝑇) → ((𝐹‘𝑃) ∨ (𝐹‘𝑄)) = ((𝐹‘𝑄) ∨ 𝑈))
39	15, 4, 37, 16, 38	syl121anc 1378	. . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → ((𝐹‘𝑃) ∨ (𝐹‘𝑄)) = ((𝐹‘𝑄) ∨ 𝑈))
40	8, 10	hlatjcom 39814	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ (𝐹‘𝑃) ∈ 𝐴 ∧ (𝐹‘𝑄) ∈ 𝐴) → ((𝐹‘𝑃) ∨ (𝐹‘𝑄)) = ((𝐹‘𝑄) ∨ (𝐹‘𝑃)))
41	1, 21, 19, 40	syl3anc 1374	. . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → ((𝐹‘𝑃) ∨ (𝐹‘𝑄)) = ((𝐹‘𝑄) ∨ (𝐹‘𝑃)))
42	8, 10	hlatjcom 39814	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ (𝐹‘𝑄) ∈ 𝐴 ∧ 𝑈 ∈ 𝐴) → ((𝐹‘𝑄) ∨ 𝑈) = (𝑈 ∨ (𝐹‘𝑄)))
43	1, 19, 14, 42	syl3anc 1374	. . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → ((𝐹‘𝑄) ∨ 𝑈) = (𝑈 ∨ (𝐹‘𝑄)))
44	39, 41, 43	3eqtr3d 2779	. . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) = (𝑈 ∨ (𝐹‘𝑄)))
45	36, 44	breqtrd 5111	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → (𝐹‘𝑃) ≤ (𝑈 ∨ (𝐹‘𝑄)))
46	34, 45	jca 511	. 2 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → (𝑄 ≤ (𝑃 ∨ 𝑈) ∧ (𝐹‘𝑃) ≤ (𝑈 ∨ (𝐹‘𝑄))))
47	7, 8, 9, 10	ps-2c 39974	. 2 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑈 ∈ 𝐴) ∧ ((𝐹‘𝑄) ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ (𝐹‘𝑃) ∈ 𝐴) ∧ ((¬ 𝑃 ≤ (𝑈 ∨ (𝐹‘𝑄)) ∧ 𝑄 ≠ (𝐹‘𝑃)) ∧ (𝑃 ∨ (𝐹‘𝑄)) ≠ (𝑄 ∨ (𝐹‘𝑃)) ∧ (𝑄 ≤ (𝑃 ∨ 𝑈) ∧ (𝐹‘𝑃) ≤ (𝑈 ∨ (𝐹‘𝑄))))) → ((𝑃 ∨ (𝐹‘𝑄)) ∧ (𝑄 ∨ (𝐹‘𝑃))) ∈ 𝐴)
48	1, 2, 14, 19, 5, 21, 26, 29, 46, 47	syl333anc 1405	1 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ≠ 𝑄 ∧ (𝐹‘𝑃) ≠ 𝑄 ∧ ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))) → ((𝑃 ∨ (𝐹‘𝑄)) ∧ (𝑄 ∨ (𝐹‘𝑃))) ∈ 𝐴)

Syntax hints:  ¬ wn 3   → wi 4   ∧ wa 395   ∧ w3a 1087   = wceq 1542   ∈ wcel 2114   ≠ wne 2932   class class class wbr 5085  ‘cfv 6498  (class class class)co 7367  lecple 17227  joincjn 18277  meetcmee 18278  Atomscatm 39709  HLchlt 39796  LHypclh 40430  LTrncltrn 40547  trLctrl 40604

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2708  ax-rep 5212  ax-sep 5231  ax-nul 5241  ax-pow 5307  ax-pr 5375  ax-un 7689  ax-riotaBAD 39399

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3or 1088  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2539  df-eu 2569  df-clab 2715  df-cleq 2728  df-clel 2811  df-nfc 2885  df-ne 2933  df-ral 3052  df-rex 3062  df-rmo 3342  df-reu 3343  df-rab 3390  df-v 3431  df-sbc 3729  df-csb 3838  df-dif 3892  df-un 3894  df-in 3896  df-ss 3906  df-nul 4274  df-if 4467  df-pw 4543  df-sn 4568  df-pr 4570  df-op 4574  df-uni 4851  df-iun 4935  df-iin 4936  df-br 5086  df-opab 5148  df-mpt 5167  df-id 5526  df-xp 5637  df-rel 5638  df-cnv 5639  df-co 5640  df-dm 5641  df-rn 5642  df-res 5643  df-ima 5644  df-iota 6454  df-fun 6500  df-fn 6501  df-f 6502  df-f1 6503  df-fo 6504  df-f1o 6505  df-fv 6506  df-riota 7324  df-ov 7370  df-oprab 7371  df-mpo 7372  df-1st 7942  df-2nd 7943  df-undef 8223  df-map 8775  df-proset 18260  df-poset 18279  df-plt 18294  df-lub 18310  df-glb 18311  df-join 18312  df-meet 18313  df-p0 18389  df-p1 18390  df-lat 18398  df-clat 18465  df-oposet 39622  df-ol 39624  df-oml 39625  df-covers 39712  df-ats 39713  df-atl 39744  df-cvlat 39768  df-hlat 39797  df-llines 39944  df-lplanes 39945  df-lvols 39946  df-lines 39947  df-psubsp 39949  df-pmap 39950  df-padd 40242  df-lhyp 40434  df-laut 40435  df-ldil 40550  df-ltrn 40551  df-trl 40605

This theorem is referenced by:  cdlemg18d  41127