Theorem cdlemg18b 38689

Description: Lemma for cdlemg18c 38690. 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
cdlemg18b	⊢ (((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)))

Proof of Theorem cdlemg18b

Step	Hyp	Ref	Expression
1		simp33 1210	. 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) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄))
2		simp3r 1201	. . . . . . . . . 10 ⊢ (((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)))) → 𝑃 ≤ (𝑈 ∨ (𝐹‘𝑄)))
3		simp1l 1196	. . . . . . . . . . 11 ⊢ (((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)))) → 𝐾 ∈ HL)
4		simp1r 1197	. . . . . . . . . . . 12 ⊢ (((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)))) → 𝑊 ∈ 𝐻)
5		simp21 1205	. . . . . . . . . . . 12 ⊢ (((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)))) → (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊))
6		simp22l 1291	. . . . . . . . . . . 12 ⊢ (((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 ∈ 𝐴)
7		simp3l1 1277	. . . . . . . . . . . 12 ⊢ (((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)))) → 𝑃 ≠ 𝑄)
8		cdlemg12.l	. . . . . . . . . . . . 13 ⊢ ≤ = (le‘𝐾)
9		cdlemg12.j	. . . . . . . . . . . . 13 ⊢ ∨ = (join‘𝐾)
10		cdlemg12.m	. . . . . . . . . . . . 13 ⊢ ∧ = (meet‘𝐾)
11		cdlemg12.a	. . . . . . . . . . . . 13 ⊢ 𝐴 = (Atoms‘𝐾)
12		cdlemg12.h	. . . . . . . . . . . . 13 ⊢ 𝐻 = (LHyp‘𝐾)
13		cdlemg18b.u	. . . . . . . . . . . . 13 ⊢ 𝑈 = ((𝑃 ∨ 𝑄) ∧ 𝑊)
14	8, 9, 10, 11, 12, 13	cdleme0a 38221	. . . . . . . . . . . 12 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ 𝑃 ≠ 𝑄)) → 𝑈 ∈ 𝐴)
15	3, 4, 5, 6, 7, 14	syl212anc 1379	. . . . . . . . . . 11 ⊢ (((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)))) → 𝑈 ∈ 𝐴)
16		simp1 1135	. . . . . . . . . . . 12 ⊢ (((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)))) → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
17		simp23 1207	. . . . . . . . . . . 12 ⊢ (((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)))) → 𝐹 ∈ 𝑇)
18		cdlemg12.t	. . . . . . . . . . . . 13 ⊢ 𝑇 = ((LTrn‘𝐾)‘𝑊)
19	8, 11, 12, 18	ltrnat 38150	. . . . . . . . . . . 12 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝑄 ∈ 𝐴) → (𝐹‘𝑄) ∈ 𝐴)
20	16, 17, 6, 19	syl3anc 1370	. . . . . . . . . . 11 ⊢ (((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)))) → (𝐹‘𝑄) ∈ 𝐴)
21	8, 9, 11	hlatlej1 37385	. . . . . . . . . . 11 ⊢ ((𝐾 ∈ HL ∧ 𝑈 ∈ 𝐴 ∧ (𝐹‘𝑄) ∈ 𝐴) → 𝑈 ≤ (𝑈 ∨ (𝐹‘𝑄)))
22	3, 15, 20, 21	syl3anc 1370	. . . . . . . . . 10 ⊢ (((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)))) → 𝑈 ≤ (𝑈 ∨ (𝐹‘𝑄)))
23	3	hllatd 37374	. . . . . . . . . . 11 ⊢ (((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)))) → 𝐾 ∈ Lat)
24		simp21l 1289	. . . . . . . . . . . 12 ⊢ (((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)))) → 𝑃 ∈ 𝐴)
25		eqid 2740	. . . . . . . . . . . . 13 ⊢ (Base‘𝐾) = (Base‘𝐾)
26	25, 11	atbase 37299	. . . . . . . . . . . 12 ⊢ (𝑃 ∈ 𝐴 → 𝑃 ∈ (Base‘𝐾))
27	24, 26	syl 17	. . . . . . . . . . 11 ⊢ (((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)))) → 𝑃 ∈ (Base‘𝐾))
28	25, 11	atbase 37299	. . . . . . . . . . . 12 ⊢ (𝑈 ∈ 𝐴 → 𝑈 ∈ (Base‘𝐾))
29	15, 28	syl 17	. . . . . . . . . . 11 ⊢ (((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)))) → 𝑈 ∈ (Base‘𝐾))
30	25, 9, 11	hlatjcl 37377	. . . . . . . . . . . 12 ⊢ ((𝐾 ∈ HL ∧ 𝑈 ∈ 𝐴 ∧ (𝐹‘𝑄) ∈ 𝐴) → (𝑈 ∨ (𝐹‘𝑄)) ∈ (Base‘𝐾))
31	3, 15, 20, 30	syl3anc 1370	. . . . . . . . . . 11 ⊢ (((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)))) → (𝑈 ∨ (𝐹‘𝑄)) ∈ (Base‘𝐾))
32	25, 8, 9	latjle12 18166	. . . . . . . . . . 11 ⊢ ((𝐾 ∈ Lat ∧ (𝑃 ∈ (Base‘𝐾) ∧ 𝑈 ∈ (Base‘𝐾) ∧ (𝑈 ∨ (𝐹‘𝑄)) ∈ (Base‘𝐾))) → ((𝑃 ≤ (𝑈 ∨ (𝐹‘𝑄)) ∧ 𝑈 ≤ (𝑈 ∨ (𝐹‘𝑄))) ↔ (𝑃 ∨ 𝑈) ≤ (𝑈 ∨ (𝐹‘𝑄))))
33	23, 27, 29, 31, 32	syl13anc 1371	. . . . . . . . . 10 ⊢ (((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)))) → ((𝑃 ≤ (𝑈 ∨ (𝐹‘𝑄)) ∧ 𝑈 ≤ (𝑈 ∨ (𝐹‘𝑄))) ↔ (𝑃 ∨ 𝑈) ≤ (𝑈 ∨ (𝐹‘𝑄))))
34	2, 22, 33	mpbi2and 709	. . . . . . . . 9 ⊢ (((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)))) → (𝑃 ∨ 𝑈) ≤ (𝑈 ∨ (𝐹‘𝑄)))
35	8, 9, 10, 11, 12, 13	cdleme0cp 38224	. . . . . . . . . 10 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ 𝑄 ∈ 𝐴)) → (𝑃 ∨ 𝑈) = (𝑃 ∨ 𝑄))
36	3, 4, 5, 6, 35	syl22anc 836	. . . . . . . . 9 ⊢ (((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)))) → (𝑃 ∨ 𝑈) = (𝑃 ∨ 𝑄))
37		simp22 1206	. . . . . . . . . . 11 ⊢ (((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 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊))
38	12, 18, 8, 9, 11, 10, 13	cdlemg2kq 38612	. . . . . . . . . . 11 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ 𝐹 ∈ 𝑇) → ((𝐹‘𝑃) ∨ (𝐹‘𝑄)) = ((𝐹‘𝑄) ∨ 𝑈))
39	16, 5, 37, 17, 38	syl121anc 1374	. . . . . . . . . 10 ⊢ (((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)))) → ((𝐹‘𝑃) ∨ (𝐹‘𝑄)) = ((𝐹‘𝑄) ∨ 𝑈))
40	9, 11	hlatjcom 37378	. . . . . . . . . . 11 ⊢ ((𝐾 ∈ HL ∧ (𝐹‘𝑄) ∈ 𝐴 ∧ 𝑈 ∈ 𝐴) → ((𝐹‘𝑄) ∨ 𝑈) = (𝑈 ∨ (𝐹‘𝑄)))
41	3, 20, 15, 40	syl3anc 1370	. . . . . . . . . 10 ⊢ (((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)))) → ((𝐹‘𝑄) ∨ 𝑈) = (𝑈 ∨ (𝐹‘𝑄)))
42	39, 41	eqtr2d 2781	. . . . . . . . 9 ⊢ (((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)))) → (𝑈 ∨ (𝐹‘𝑄)) = ((𝐹‘𝑃) ∨ (𝐹‘𝑄)))
43	34, 36, 42	3brtr3d 5110	. . . . . . . 8 ⊢ (((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)))) → (𝑃 ∨ 𝑄) ≤ ((𝐹‘𝑃) ∨ (𝐹‘𝑄)))
44	8, 11, 12, 18	ltrnat 38150	. . . . . . . . . 10 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝑃 ∈ 𝐴) → (𝐹‘𝑃) ∈ 𝐴)
45	16, 17, 24, 44	syl3anc 1370	. . . . . . . . 9 ⊢ (((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)))) → (𝐹‘𝑃) ∈ 𝐴)
46	8, 9, 11	ps-1 37487	. . . . . . . . 9 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑃 ≠ 𝑄) ∧ ((𝐹‘𝑃) ∈ 𝐴 ∧ (𝐹‘𝑄) ∈ 𝐴)) → ((𝑃 ∨ 𝑄) ≤ ((𝐹‘𝑃) ∨ (𝐹‘𝑄)) ↔ (𝑃 ∨ 𝑄) = ((𝐹‘𝑃) ∨ (𝐹‘𝑄))))
47	3, 24, 6, 7, 45, 20, 46	syl132anc 1387	. . . . . . . 8 ⊢ (((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)))) → ((𝑃 ∨ 𝑄) ≤ ((𝐹‘𝑃) ∨ (𝐹‘𝑄)) ↔ (𝑃 ∨ 𝑄) = ((𝐹‘𝑃) ∨ (𝐹‘𝑄))))
48	43, 47	mpbid 231	. . . . . . 7 ⊢ (((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)))) → (𝑃 ∨ 𝑄) = ((𝐹‘𝑃) ∨ (𝐹‘𝑄)))
49	9, 11	hlatjcom 37378	. . . . . . . 8 ⊢ ((𝐾 ∈ HL ∧ (𝐹‘𝑃) ∈ 𝐴 ∧ (𝐹‘𝑄) ∈ 𝐴) → ((𝐹‘𝑃) ∨ (𝐹‘𝑄)) = ((𝐹‘𝑄) ∨ (𝐹‘𝑃)))
50	3, 45, 20, 49	syl3anc 1370	. . . . . . 7 ⊢ (((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)))) → ((𝐹‘𝑃) ∨ (𝐹‘𝑄)) = ((𝐹‘𝑄) ∨ (𝐹‘𝑃)))
51	48, 50	eqtr2d 2781	. . . . . 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)) ∧ 𝑃 ≤ (𝑈 ∨ (𝐹‘𝑄)))) → ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) = (𝑃 ∨ 𝑄))
52	51	3exp 1118	. . . . 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)) ∧ 𝑃 ≤ (𝑈 ∨ (𝐹‘𝑄))) → ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) = (𝑃 ∨ 𝑄))))
53	52	exp4a 432	. . . 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 ∨ (𝐹‘𝑄)) → ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) = (𝑃 ∨ 𝑄)))))
54	53	3imp 1110	. . 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)) → ((𝐹‘𝑄) ∨ (𝐹‘𝑃)) = (𝑃 ∨ 𝑄)))
55	54	necon3ad 2958	. 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) ∨ (𝐹‘𝑃)) ≠ (𝑃 ∨ 𝑄) → ¬ 𝑃 ≤ (𝑈 ∨ (𝐹‘𝑄))))
56	1, 55	mpd 15	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 ≤ (𝑈 ∨ (𝐹‘𝑄)))

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 205   ∧ wa 396   ∧ w3a 1086   = wceq 1542   ∈ wcel 2110   ≠ wne 2945   class class class wbr 5079  ‘cfv 6432  (class class class)co 7271  Basecbs 16910  lecple 16967  joincjn 18027  meetcmee 18028  Latclat 18147  Atomscatm 37273  HLchlt 37360  LHypclh 37994  LTrncltrn 38111  trLctrl 38168

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1802  ax-4 1816  ax-5 1917  ax-6 1975  ax-7 2015  ax-8 2112  ax-9 2120  ax-10 2141  ax-11 2158  ax-12 2175  ax-ext 2711  ax-rep 5214  ax-sep 5227  ax-nul 5234  ax-pow 5292  ax-pr 5356  ax-un 7582  ax-riotaBAD 36963

This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3or 1087  df-3an 1088  df-tru 1545  df-fal 1555  df-ex 1787  df-nf 1791  df-sb 2072  df-mo 2542  df-eu 2571  df-clab 2718  df-cleq 2732  df-clel 2818  df-nfc 2891  df-ne 2946  df-ral 3071  df-rex 3072  df-reu 3073  df-rmo 3074  df-rab 3075  df-v 3433  df-sbc 3721  df-csb 3838  df-dif 3895  df-un 3897  df-in 3899  df-ss 3909  df-nul 4263  df-if 4466  df-pw 4541  df-sn 4568  df-pr 4570  df-op 4574  df-uni 4846  df-iun 4932  df-iin 4933  df-br 5080  df-opab 5142  df-mpt 5163  df-id 5490  df-xp 5596  df-rel 5597  df-cnv 5598  df-co 5599  df-dm 5600  df-rn 5601  df-res 5602  df-ima 5603  df-iota 6390  df-fun 6434  df-fn 6435  df-f 6436  df-f1 6437  df-fo 6438  df-f1o 6439  df-fv 6440  df-riota 7228  df-ov 7274  df-oprab 7275  df-mpo 7276  df-1st 7824  df-2nd 7825  df-undef 8080  df-map 8600  df-proset 18011  df-poset 18029  df-plt 18046  df-lub 18062  df-glb 18063  df-join 18064  df-meet 18065  df-p0 18141  df-p1 18142  df-lat 18148  df-clat 18215  df-oposet 37186  df-ol 37188  df-oml 37189  df-covers 37276  df-ats 37277  df-atl 37308  df-cvlat 37332  df-hlat 37361  df-llines 37508  df-lplanes 37509  df-lvols 37510  df-lines 37511  df-psubsp 37513  df-pmap 37514  df-padd 37806  df-lhyp 37998  df-laut 37999  df-ldil 38114  df-ltrn 38115  df-trl 38169

This theorem is referenced by:  cdlemg18c  38690