Theorem dalem38 40904

Description: Lemma for dath 40930. Plane 𝑌 belongs to the 3-dimensional volume 𝐺𝐻𝐼𝑐. (Contributed by NM, 5-Aug-2012.)

Hypotheses

Ref	Expression
dalem.ph	⊢ (𝜑 ↔ (((𝐾 ∈ HL ∧ 𝐶 ∈ (Base‘𝐾)) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴) ∧ (𝑆 ∈ 𝐴 ∧ 𝑇 ∈ 𝐴 ∧ 𝑈 ∈ 𝐴)) ∧ (𝑌 ∈ 𝑂 ∧ 𝑍 ∈ 𝑂) ∧ ((¬ 𝐶 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝐶 ≤ (𝑄 ∨ 𝑅) ∧ ¬ 𝐶 ≤ (𝑅 ∨ 𝑃)) ∧ (¬ 𝐶 ≤ (𝑆 ∨ 𝑇) ∧ ¬ 𝐶 ≤ (𝑇 ∨ 𝑈) ∧ ¬ 𝐶 ≤ (𝑈 ∨ 𝑆)) ∧ (𝐶 ≤ (𝑃 ∨ 𝑆) ∧ 𝐶 ≤ (𝑄 ∨ 𝑇) ∧ 𝐶 ≤ (𝑅 ∨ 𝑈)))))
dalem.l	⊢ ≤ = (le‘𝐾)
dalem.j	⊢ ∨ = (join‘𝐾)
dalem.a	⊢ 𝐴 = (Atoms‘𝐾)
dalem.ps	⊢ (𝜓 ↔ ((𝑐 ∈ 𝐴 ∧ 𝑑 ∈ 𝐴) ∧ ¬ 𝑐 ≤ 𝑌 ∧ (𝑑 ≠ 𝑐 ∧ ¬ 𝑑 ≤ 𝑌 ∧ 𝐶 ≤ (𝑐 ∨ 𝑑))))
dalem38.m	⊢ ∧ = (meet‘𝐾)
dalem38.o	⊢ 𝑂 = (LPlanes‘𝐾)
dalem38.y	⊢ 𝑌 = ((𝑃 ∨ 𝑄) ∨ 𝑅)
dalem38.z	⊢ 𝑍 = ((𝑆 ∨ 𝑇) ∨ 𝑈)
dalem38.g	⊢ 𝐺 = ((𝑐 ∨ 𝑃) ∧ (𝑑 ∨ 𝑆))
dalem38.h	⊢ 𝐻 = ((𝑐 ∨ 𝑄) ∧ (𝑑 ∨ 𝑇))
dalem38.i	⊢ 𝐼 = ((𝑐 ∨ 𝑅) ∧ (𝑑 ∨ 𝑈))

Assertion

Ref	Expression
dalem38	⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝑌 ≤ (((𝐺 ∨ 𝐻) ∨ 𝐼) ∨ 𝑐))

Proof of Theorem dalem38

Step	Hyp	Ref	Expression
1		dalem38.y	. 2 ⊢ 𝑌 = ((𝑃 ∨ 𝑄) ∨ 𝑅)
2		dalem.ph	. . . . . . 7 ⊢ (𝜑 ↔ (((𝐾 ∈ HL ∧ 𝐶 ∈ (Base‘𝐾)) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴) ∧ (𝑆 ∈ 𝐴 ∧ 𝑇 ∈ 𝐴 ∧ 𝑈 ∈ 𝐴)) ∧ (𝑌 ∈ 𝑂 ∧ 𝑍 ∈ 𝑂) ∧ ((¬ 𝐶 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝐶 ≤ (𝑄 ∨ 𝑅) ∧ ¬ 𝐶 ≤ (𝑅 ∨ 𝑃)) ∧ (¬ 𝐶 ≤ (𝑆 ∨ 𝑇) ∧ ¬ 𝐶 ≤ (𝑇 ∨ 𝑈) ∧ ¬ 𝐶 ≤ (𝑈 ∨ 𝑆)) ∧ (𝐶 ≤ (𝑃 ∨ 𝑆) ∧ 𝐶 ≤ (𝑄 ∨ 𝑇) ∧ 𝐶 ≤ (𝑅 ∨ 𝑈)))))
3		dalem.l	. . . . . . 7 ⊢ ≤ = (le‘𝐾)
4		dalem.j	. . . . . . 7 ⊢ ∨ = (join‘𝐾)
5		dalem.a	. . . . . . 7 ⊢ 𝐴 = (Atoms‘𝐾)
6		dalem.ps	. . . . . . 7 ⊢ (𝜓 ↔ ((𝑐 ∈ 𝐴 ∧ 𝑑 ∈ 𝐴) ∧ ¬ 𝑐 ≤ 𝑌 ∧ (𝑑 ≠ 𝑐 ∧ ¬ 𝑑 ≤ 𝑌 ∧ 𝐶 ≤ (𝑐 ∨ 𝑑))))
7		dalem38.m	. . . . . . 7 ⊢ ∧ = (meet‘𝐾)
8		dalem38.o	. . . . . . 7 ⊢ 𝑂 = (LPlanes‘𝐾)
9		dalem38.z	. . . . . . 7 ⊢ 𝑍 = ((𝑆 ∨ 𝑇) ∨ 𝑈)
10		dalem38.g	. . . . . . 7 ⊢ 𝐺 = ((𝑐 ∨ 𝑃) ∧ (𝑑 ∨ 𝑆))
11	2, 3, 4, 5, 6, 7, 8, 1, 9, 10	dalem28 40894	. . . . . 6 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝑃 ≤ (𝐺 ∨ 𝑐))
12		dalem38.h	. . . . . . 7 ⊢ 𝐻 = ((𝑐 ∨ 𝑄) ∧ (𝑑 ∨ 𝑇))
13	2, 3, 4, 5, 6, 7, 8, 1, 9, 12	dalem33 40899	. . . . . 6 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝑄 ≤ (𝐻 ∨ 𝑐))
14	2	dalemkelat 40818	. . . . . . . 8 ⊢ (𝜑 → 𝐾 ∈ Lat)
15	14	3ad2ant1 1151	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝐾 ∈ Lat)
16	2, 5	dalempeb 40833	. . . . . . . 8 ⊢ (𝜑 → 𝑃 ∈ (Base‘𝐾))
17	16	3ad2ant1 1151	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝑃 ∈ (Base‘𝐾))
18	2	dalemkehl 40817	. . . . . . . . 9 ⊢ (𝜑 → 𝐾 ∈ HL)
19	18	3ad2ant1 1151	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝐾 ∈ HL)
20	2, 3, 4, 5, 6, 7, 8, 1, 9, 10	dalem23 40890	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝐺 ∈ 𝐴)
21	6	dalemccea 40877	. . . . . . . . 9 ⊢ (𝜓 → 𝑐 ∈ 𝐴)
22	21	3ad2ant3 1153	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝑐 ∈ 𝐴)
23		eqid 2760	. . . . . . . . 9 ⊢ (Base‘𝐾) = (Base‘𝐾)
24	23, 4, 5	hlatjcl 40561	. . . . . . . 8 ⊢ ((𝐾 ∈ HL ∧ 𝐺 ∈ 𝐴 ∧ 𝑐 ∈ 𝐴) → (𝐺 ∨ 𝑐) ∈ (Base‘𝐾))
25	19, 20, 22, 24	syl3anc 1398	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → (𝐺 ∨ 𝑐) ∈ (Base‘𝐾))
26	2, 5	dalemqeb 40834	. . . . . . . 8 ⊢ (𝜑 → 𝑄 ∈ (Base‘𝐾))
27	26	3ad2ant1 1151	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝑄 ∈ (Base‘𝐾))
28	2, 3, 4, 5, 6, 7, 8, 1, 9, 12	dalem29 40895	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝐻 ∈ 𝐴)
29	23, 4, 5	hlatjcl 40561	. . . . . . . 8 ⊢ ((𝐾 ∈ HL ∧ 𝐻 ∈ 𝐴 ∧ 𝑐 ∈ 𝐴) → (𝐻 ∨ 𝑐) ∈ (Base‘𝐾))
30	19, 28, 22, 29	syl3anc 1398	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → (𝐻 ∨ 𝑐) ∈ (Base‘𝐾))
31	23, 3, 4	latjlej12 18638	. . . . . . 7 ⊢ ((𝐾 ∈ Lat ∧ (𝑃 ∈ (Base‘𝐾) ∧ (𝐺 ∨ 𝑐) ∈ (Base‘𝐾)) ∧ (𝑄 ∈ (Base‘𝐾) ∧ (𝐻 ∨ 𝑐) ∈ (Base‘𝐾))) → ((𝑃 ≤ (𝐺 ∨ 𝑐) ∧ 𝑄 ≤ (𝐻 ∨ 𝑐)) → (𝑃 ∨ 𝑄) ≤ ((𝐺 ∨ 𝑐) ∨ (𝐻 ∨ 𝑐))))
32	15, 17, 25, 27, 30, 31	syl122anc 1406	. . . . . 6 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → ((𝑃 ≤ (𝐺 ∨ 𝑐) ∧ 𝑄 ≤ (𝐻 ∨ 𝑐)) → (𝑃 ∨ 𝑄) ≤ ((𝐺 ∨ 𝑐) ∨ (𝐻 ∨ 𝑐))))
33	11, 13, 32	mp2and 712	. . . . 5 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → (𝑃 ∨ 𝑄) ≤ ((𝐺 ∨ 𝑐) ∨ (𝐻 ∨ 𝑐)))
34	23, 5	atbase 40483	. . . . . . 7 ⊢ (𝐺 ∈ 𝐴 → 𝐺 ∈ (Base‘𝐾))
35	20, 34	syl 18	. . . . . 6 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝐺 ∈ (Base‘𝐾))
36	23, 5	atbase 40483	. . . . . . 7 ⊢ (𝐻 ∈ 𝐴 → 𝐻 ∈ (Base‘𝐾))
37	28, 36	syl 18	. . . . . 6 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝐻 ∈ (Base‘𝐾))
38	6, 5	dalemcceb 40883	. . . . . . 7 ⊢ (𝜓 → 𝑐 ∈ (Base‘𝐾))
39	38	3ad2ant3 1153	. . . . . 6 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝑐 ∈ (Base‘𝐾))
40	23, 4	latjjdir 18675	. . . . . 6 ⊢ ((𝐾 ∈ Lat ∧ (𝐺 ∈ (Base‘𝐾) ∧ 𝐻 ∈ (Base‘𝐾) ∧ 𝑐 ∈ (Base‘𝐾))) → ((𝐺 ∨ 𝐻) ∨ 𝑐) = ((𝐺 ∨ 𝑐) ∨ (𝐻 ∨ 𝑐)))
41	15, 35, 37, 39, 40	syl13anc 1399	. . . . 5 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → ((𝐺 ∨ 𝐻) ∨ 𝑐) = ((𝐺 ∨ 𝑐) ∨ (𝐻 ∨ 𝑐)))
42	33, 41	breqtrrd 5132	. . . 4 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → (𝑃 ∨ 𝑄) ≤ ((𝐺 ∨ 𝐻) ∨ 𝑐))
43		dalem38.i	. . . . 5 ⊢ 𝐼 = ((𝑐 ∨ 𝑅) ∧ (𝑑 ∨ 𝑈))
44	2, 3, 4, 5, 6, 7, 8, 1, 9, 43	dalem37 40903	. . . 4 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝑅 ≤ (𝐼 ∨ 𝑐))
45	2, 4, 5	dalempjqeb 40839	. . . . . 6 ⊢ (𝜑 → (𝑃 ∨ 𝑄) ∈ (Base‘𝐾))
46	45	3ad2ant1 1151	. . . . 5 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → (𝑃 ∨ 𝑄) ∈ (Base‘𝐾))
47	23, 4, 5	hlatjcl 40561	. . . . . . 7 ⊢ ((𝐾 ∈ HL ∧ 𝐺 ∈ 𝐴 ∧ 𝐻 ∈ 𝐴) → (𝐺 ∨ 𝐻) ∈ (Base‘𝐾))
48	19, 20, 28, 47	syl3anc 1398	. . . . . 6 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → (𝐺 ∨ 𝐻) ∈ (Base‘𝐾))
49	23, 4	latjcl 18622	. . . . . 6 ⊢ ((𝐾 ∈ Lat ∧ (𝐺 ∨ 𝐻) ∈ (Base‘𝐾) ∧ 𝑐 ∈ (Base‘𝐾)) → ((𝐺 ∨ 𝐻) ∨ 𝑐) ∈ (Base‘𝐾))
50	15, 48, 39, 49	syl3anc 1398	. . . . 5 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → ((𝐺 ∨ 𝐻) ∨ 𝑐) ∈ (Base‘𝐾))
51	2, 5	dalemreb 40835	. . . . . 6 ⊢ (𝜑 → 𝑅 ∈ (Base‘𝐾))
52	51	3ad2ant1 1151	. . . . 5 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝑅 ∈ (Base‘𝐾))
53	2, 3, 4, 5, 6, 7, 8, 1, 9, 43	dalem34 40900	. . . . . 6 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝐼 ∈ 𝐴)
54	23, 4, 5	hlatjcl 40561	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ 𝐼 ∈ 𝐴 ∧ 𝑐 ∈ 𝐴) → (𝐼 ∨ 𝑐) ∈ (Base‘𝐾))
55	19, 53, 22, 54	syl3anc 1398	. . . . 5 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → (𝐼 ∨ 𝑐) ∈ (Base‘𝐾))
56	23, 3, 4	latjlej12 18638	. . . . 5 ⊢ ((𝐾 ∈ Lat ∧ ((𝑃 ∨ 𝑄) ∈ (Base‘𝐾) ∧ ((𝐺 ∨ 𝐻) ∨ 𝑐) ∈ (Base‘𝐾)) ∧ (𝑅 ∈ (Base‘𝐾) ∧ (𝐼 ∨ 𝑐) ∈ (Base‘𝐾))) → (((𝑃 ∨ 𝑄) ≤ ((𝐺 ∨ 𝐻) ∨ 𝑐) ∧ 𝑅 ≤ (𝐼 ∨ 𝑐)) → ((𝑃 ∨ 𝑄) ∨ 𝑅) ≤ (((𝐺 ∨ 𝐻) ∨ 𝑐) ∨ (𝐼 ∨ 𝑐))))
57	15, 46, 50, 52, 55, 56	syl122anc 1406	. . . 4 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → (((𝑃 ∨ 𝑄) ≤ ((𝐺 ∨ 𝐻) ∨ 𝑐) ∧ 𝑅 ≤ (𝐼 ∨ 𝑐)) → ((𝑃 ∨ 𝑄) ∨ 𝑅) ≤ (((𝐺 ∨ 𝐻) ∨ 𝑐) ∨ (𝐼 ∨ 𝑐))))
58	42, 44, 57	mp2and 712	. . 3 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → ((𝑃 ∨ 𝑄) ∨ 𝑅) ≤ (((𝐺 ∨ 𝐻) ∨ 𝑐) ∨ (𝐼 ∨ 𝑐)))
59	23, 5	atbase 40483	. . . . 5 ⊢ (𝐼 ∈ 𝐴 → 𝐼 ∈ (Base‘𝐾))
60	53, 59	syl 18	. . . 4 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝐼 ∈ (Base‘𝐾))
61	23, 4	latjjdir 18675	. . . 4 ⊢ ((𝐾 ∈ Lat ∧ ((𝐺 ∨ 𝐻) ∈ (Base‘𝐾) ∧ 𝐼 ∈ (Base‘𝐾) ∧ 𝑐 ∈ (Base‘𝐾))) → (((𝐺 ∨ 𝐻) ∨ 𝐼) ∨ 𝑐) = (((𝐺 ∨ 𝐻) ∨ 𝑐) ∨ (𝐼 ∨ 𝑐)))
62	15, 48, 60, 39, 61	syl13anc 1399	. . 3 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → (((𝐺 ∨ 𝐻) ∨ 𝐼) ∨ 𝑐) = (((𝐺 ∨ 𝐻) ∨ 𝑐) ∨ (𝐼 ∨ 𝑐)))
63	58, 62	breqtrrd 5132	. 2 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → ((𝑃 ∨ 𝑄) ∨ 𝑅) ≤ (((𝐺 ∨ 𝐻) ∨ 𝐼) ∨ 𝑐))
64	1, 63	eqbrtrid 5139	1 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝑌 ≤ (((𝐺 ∨ 𝐻) ∨ 𝐼) ∨ 𝑐))

This proof depends on syntax axioms:  ¬ wn 3   → wi 4   ↔ wb 209   ∧ wa 401   ∧ w3a 1103   = wceq 1569   ∈ wcel 2144   ≠ wne 2955   class class class wbr 5102  ‘cfv 6543  (class class class)co 7424  Basecbs 17396  lecple 17444  joincjn 18494  meetcmee 18495  Latclat 18614  Atomscatm 40457  HLchlt 40544  LPlanesclpl 40686

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-10 2177  ax-11 2193  ax-12 2212  ax-ext 2732  ax-rep 5231  ax-sep 5248  ax-nul 5259  ax-pow 5327  ax-pr 5391  ax-un 7755

This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-nf 1816  df-sb 2099  df-mo 2564  df-eu 2594  df-clab 2739  df-cleq 2752  df-clel 2835  df-nfc 2909  df-ne 2956  df-ral 3077  df-rex 3087  df-rmo 3365  df-reu 3366  df-rab 3413  df-v 3452  df-sbc 3739  df-csb 3848  df-ss 3897  df-dif 4046  df-in 4090  df-un 4150  df-nul 4278  df-if 4482  df-pw 4558  df-sn 4585  df-pr 4587  df-op 4835  df-uni 4867  df-iun 4952  df-br 5103  df-opab 5167  df-mpt 5186  df-id 5546  df-xp 5657  df-rel 5658  df-cnv 5659  df-co 5660  df-dm 5661  df-rn 5662  df-res 5663  df-ima 5664  df-iota 6497  df-fun 6545  df-fn 6546  df-f 6547  df-f1 6548  df-fo 6549  df-f1o 6550  df-fv 6551  df-riota 7381  df-ov 7427  df-oprab 7428  df-proset 18477  df-poset 18496  df-plt 18511  df-lub 18527  df-glb 18528  df-join 18529  df-meet 18530  df-p0 18606  df-lat 18615  df-clat 18682  df-oposet 40370  df-ol 40372  df-oml 40373  df-covers 40460  df-ats 40461  df-atl 40492  df-cvlat 40516  df-hlat 40545  df-llines 40692  df-lplanes 40693

This theorem is used by:  dalem39  40905