Theorem dalem24 39684

Description: Lemma for dath 39723. Show that auxiliary atom 𝐺 is outside of plane 𝑌. (Contributed by NM, 2-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))))
dalem23.m	⊢ ∧ = (meet‘𝐾)
dalem23.o	⊢ 𝑂 = (LPlanes‘𝐾)
dalem23.y	⊢ 𝑌 = ((𝑃 ∨ 𝑄) ∨ 𝑅)
dalem23.z	⊢ 𝑍 = ((𝑆 ∨ 𝑇) ∨ 𝑈)
dalem23.g	⊢ 𝐺 = ((𝑐 ∨ 𝑃) ∧ (𝑑 ∨ 𝑆))

Assertion

Ref	Expression
dalem24	⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → ¬ 𝐺 ≤ 𝑌)

Proof of Theorem dalem24

Step	Hyp	Ref	Expression
1		dalem23.g	. . . . 5 ⊢ 𝐺 = ((𝑐 ∨ 𝑃) ∧ (𝑑 ∨ 𝑆))
2	1	oveq1i 7379	. . . 4 ⊢ (𝐺 ∧ 𝑌) = (((𝑐 ∨ 𝑃) ∧ (𝑑 ∨ 𝑆)) ∧ 𝑌)
3		dalem.ph	. . . . . . . 8 ⊢ (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)))))
4	3	dalemkehl 39610	. . . . . . 7 ⊢ (𝜑 → 𝐾 ∈ HL)
5		hlol 39347	. . . . . . 7 ⊢ (𝐾 ∈ HL → 𝐾 ∈ OL)
6	4, 5	syl 17	. . . . . 6 ⊢ (𝜑 → 𝐾 ∈ OL)
7	6	3ad2ant1 1133	. . . . 5 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝐾 ∈ OL)
8	4	3ad2ant1 1133	. . . . . 6 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝐾 ∈ HL)
9		dalem.ps	. . . . . . . 8 ⊢ (𝜓 ↔ ((𝑐 ∈ 𝐴 ∧ 𝑑 ∈ 𝐴) ∧ ¬ 𝑐 ≤ 𝑌 ∧ (𝑑 ≠ 𝑐 ∧ ¬ 𝑑 ≤ 𝑌 ∧ 𝐶 ≤ (𝑐 ∨ 𝑑))))
10	9	dalemccea 39670	. . . . . . 7 ⊢ (𝜓 → 𝑐 ∈ 𝐴)
11	10	3ad2ant3 1135	. . . . . 6 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝑐 ∈ 𝐴)
12	3	dalempea 39613	. . . . . . 7 ⊢ (𝜑 → 𝑃 ∈ 𝐴)
13	12	3ad2ant1 1133	. . . . . 6 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝑃 ∈ 𝐴)
14		eqid 2729	. . . . . . 7 ⊢ (Base‘𝐾) = (Base‘𝐾)
15		dalem.j	. . . . . . 7 ⊢ ∨ = (join‘𝐾)
16		dalem.a	. . . . . . 7 ⊢ 𝐴 = (Atoms‘𝐾)
17	14, 15, 16	hlatjcl 39353	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ 𝑐 ∈ 𝐴 ∧ 𝑃 ∈ 𝐴) → (𝑐 ∨ 𝑃) ∈ (Base‘𝐾))
18	8, 11, 13, 17	syl3anc 1373	. . . . 5 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → (𝑐 ∨ 𝑃) ∈ (Base‘𝐾))
19	9	dalemddea 39671	. . . . . . 7 ⊢ (𝜓 → 𝑑 ∈ 𝐴)
20	19	3ad2ant3 1135	. . . . . 6 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝑑 ∈ 𝐴)
21	3	dalemsea 39616	. . . . . . 7 ⊢ (𝜑 → 𝑆 ∈ 𝐴)
22	21	3ad2ant1 1133	. . . . . 6 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝑆 ∈ 𝐴)
23	14, 15, 16	hlatjcl 39353	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ 𝑑 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) → (𝑑 ∨ 𝑆) ∈ (Base‘𝐾))
24	8, 20, 22, 23	syl3anc 1373	. . . . 5 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → (𝑑 ∨ 𝑆) ∈ (Base‘𝐾))
25		dalem23.o	. . . . . . 7 ⊢ 𝑂 = (LPlanes‘𝐾)
26	3, 25	dalemyeb 39636	. . . . . 6 ⊢ (𝜑 → 𝑌 ∈ (Base‘𝐾))
27	26	3ad2ant1 1133	. . . . 5 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝑌 ∈ (Base‘𝐾))
28		dalem23.m	. . . . . 6 ⊢ ∧ = (meet‘𝐾)
29	14, 28	latmmdir 39221	. . . . 5 ⊢ ((𝐾 ∈ OL ∧ ((𝑐 ∨ 𝑃) ∈ (Base‘𝐾) ∧ (𝑑 ∨ 𝑆) ∈ (Base‘𝐾) ∧ 𝑌 ∈ (Base‘𝐾))) → (((𝑐 ∨ 𝑃) ∧ (𝑑 ∨ 𝑆)) ∧ 𝑌) = (((𝑐 ∨ 𝑃) ∧ 𝑌) ∧ ((𝑑 ∨ 𝑆) ∧ 𝑌)))
30	7, 18, 24, 27, 29	syl13anc 1374	. . . 4 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → (((𝑐 ∨ 𝑃) ∧ (𝑑 ∨ 𝑆)) ∧ 𝑌) = (((𝑐 ∨ 𝑃) ∧ 𝑌) ∧ ((𝑑 ∨ 𝑆) ∧ 𝑌)))
31	2, 30	eqtrid 2776	. . 3 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → (𝐺 ∧ 𝑌) = (((𝑐 ∨ 𝑃) ∧ 𝑌) ∧ ((𝑑 ∨ 𝑆) ∧ 𝑌)))
32	15, 16	hlatjcom 39354	. . . . . . 7 ⊢ ((𝐾 ∈ HL ∧ 𝑐 ∈ 𝐴 ∧ 𝑃 ∈ 𝐴) → (𝑐 ∨ 𝑃) = (𝑃 ∨ 𝑐))
33	8, 11, 13, 32	syl3anc 1373	. . . . . 6 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → (𝑐 ∨ 𝑃) = (𝑃 ∨ 𝑐))
34	33	oveq1d 7384	. . . . 5 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → ((𝑐 ∨ 𝑃) ∧ 𝑌) = ((𝑃 ∨ 𝑐) ∧ 𝑌))
35		dalem.l	. . . . . . . 8 ⊢ ≤ = (le‘𝐾)
36		dalem23.y	. . . . . . . 8 ⊢ 𝑌 = ((𝑃 ∨ 𝑄) ∨ 𝑅)
37	3, 35, 15, 16, 25, 36	dalemply 39641	. . . . . . 7 ⊢ (𝜑 → 𝑃 ≤ 𝑌)
38	37	3ad2ant1 1133	. . . . . 6 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝑃 ≤ 𝑌)
39	9	dalem-ccly 39672	. . . . . . 7 ⊢ (𝜓 → ¬ 𝑐 ≤ 𝑌)
40	39	3ad2ant3 1135	. . . . . 6 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → ¬ 𝑐 ≤ 𝑌)
41	14, 35, 15, 28, 16	2atjm 39432	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑐 ∈ 𝐴 ∧ 𝑌 ∈ (Base‘𝐾)) ∧ (𝑃 ≤ 𝑌 ∧ ¬ 𝑐 ≤ 𝑌)) → ((𝑃 ∨ 𝑐) ∧ 𝑌) = 𝑃)
42	8, 13, 11, 27, 38, 40, 41	syl132anc 1390	. . . . 5 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → ((𝑃 ∨ 𝑐) ∧ 𝑌) = 𝑃)
43	34, 42	eqtrd 2764	. . . 4 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → ((𝑐 ∨ 𝑃) ∧ 𝑌) = 𝑃)
44	15, 16	hlatjcom 39354	. . . . . . 7 ⊢ ((𝐾 ∈ HL ∧ 𝑑 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) → (𝑑 ∨ 𝑆) = (𝑆 ∨ 𝑑))
45	8, 20, 22, 44	syl3anc 1373	. . . . . 6 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → (𝑑 ∨ 𝑆) = (𝑆 ∨ 𝑑))
46	45	oveq1d 7384	. . . . 5 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → ((𝑑 ∨ 𝑆) ∧ 𝑌) = ((𝑆 ∨ 𝑑) ∧ 𝑌))
47		dalem23.z	. . . . . . . 8 ⊢ 𝑍 = ((𝑆 ∨ 𝑇) ∨ 𝑈)
48	3, 35, 15, 16, 47	dalemsly 39642	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑌 = 𝑍) → 𝑆 ≤ 𝑌)
49	48	3adant3 1132	. . . . . 6 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝑆 ≤ 𝑌)
50	9	dalem-ddly 39673	. . . . . . 7 ⊢ (𝜓 → ¬ 𝑑 ≤ 𝑌)
51	50	3ad2ant3 1135	. . . . . 6 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → ¬ 𝑑 ≤ 𝑌)
52	14, 35, 15, 28, 16	2atjm 39432	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ (𝑆 ∈ 𝐴 ∧ 𝑑 ∈ 𝐴 ∧ 𝑌 ∈ (Base‘𝐾)) ∧ (𝑆 ≤ 𝑌 ∧ ¬ 𝑑 ≤ 𝑌)) → ((𝑆 ∨ 𝑑) ∧ 𝑌) = 𝑆)
53	8, 22, 20, 27, 49, 51, 52	syl132anc 1390	. . . . 5 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → ((𝑆 ∨ 𝑑) ∧ 𝑌) = 𝑆)
54	46, 53	eqtrd 2764	. . . 4 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → ((𝑑 ∨ 𝑆) ∧ 𝑌) = 𝑆)
55	43, 54	oveq12d 7387	. . 3 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → (((𝑐 ∨ 𝑃) ∧ 𝑌) ∧ ((𝑑 ∨ 𝑆) ∧ 𝑌)) = (𝑃 ∧ 𝑆))
56	3, 35, 15, 16, 25, 36	dalempnes 39638	. . . . 5 ⊢ (𝜑 → 𝑃 ≠ 𝑆)
57		hlatl 39346	. . . . . . 7 ⊢ (𝐾 ∈ HL → 𝐾 ∈ AtLat)
58	4, 57	syl 17	. . . . . 6 ⊢ (𝜑 → 𝐾 ∈ AtLat)
59		eqid 2729	. . . . . . 7 ⊢ (0.‘𝐾) = (0.‘𝐾)
60	28, 59, 16	atnem0 39304	. . . . . 6 ⊢ ((𝐾 ∈ AtLat ∧ 𝑃 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) → (𝑃 ≠ 𝑆 ↔ (𝑃 ∧ 𝑆) = (0.‘𝐾)))
61	58, 12, 21, 60	syl3anc 1373	. . . . 5 ⊢ (𝜑 → (𝑃 ≠ 𝑆 ↔ (𝑃 ∧ 𝑆) = (0.‘𝐾)))
62	56, 61	mpbid 232	. . . 4 ⊢ (𝜑 → (𝑃 ∧ 𝑆) = (0.‘𝐾))
63	62	3ad2ant1 1133	. . 3 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → (𝑃 ∧ 𝑆) = (0.‘𝐾))
64	31, 55, 63	3eqtrd 2768	. 2 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → (𝐺 ∧ 𝑌) = (0.‘𝐾))
65	58	3ad2ant1 1133	. . 3 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝐾 ∈ AtLat)
66	3, 35, 15, 16, 9, 28, 25, 36, 47, 1	dalem23 39683	. . 3 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → 𝐺 ∈ 𝐴)
67	14, 35, 28, 59, 16	atnle 39303	. . 3 ⊢ ((𝐾 ∈ AtLat ∧ 𝐺 ∈ 𝐴 ∧ 𝑌 ∈ (Base‘𝐾)) → (¬ 𝐺 ≤ 𝑌 ↔ (𝐺 ∧ 𝑌) = (0.‘𝐾)))
68	65, 66, 27, 67	syl3anc 1373	. 2 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → (¬ 𝐺 ≤ 𝑌 ↔ (𝐺 ∧ 𝑌) = (0.‘𝐾)))
69	64, 68	mpbird 257	1 ⊢ ((𝜑 ∧ 𝑌 = 𝑍 ∧ 𝜓) → ¬ 𝐺 ≤ 𝑌)

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 206   ∧ wa 395   ∧ w3a 1086   = wceq 1540   ∈ wcel 2109   ≠ wne 2925   class class class wbr 5102  ‘cfv 6499  (class class class)co 7369  Basecbs 17155  lecple 17203  joincjn 18252  meetcmee 18253  0.cp0 18362  OLcol 39160  Atomscatm 39249  AtLatcal 39250  HLchlt 39336  LPlanesclpl 39479

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2701  ax-rep 5229  ax-sep 5246  ax-nul 5256  ax-pow 5315  ax-pr 5382  ax-un 7691

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2533  df-eu 2562  df-clab 2708  df-cleq 2721  df-clel 2803  df-nfc 2878  df-ne 2926  df-ral 3045  df-rex 3054  df-rmo 3351  df-reu 3352  df-rab 3403  df-v 3446  df-sbc 3751  df-csb 3860  df-dif 3914  df-un 3916  df-in 3918  df-ss 3928  df-nul 4293  df-if 4485  df-pw 4561  df-sn 4586  df-pr 4588  df-op 4592  df-uni 4868  df-iun 4953  df-br 5103  df-opab 5165  df-mpt 5184  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 6452  df-fun 6501  df-fn 6502  df-f 6503  df-f1 6504  df-fo 6505  df-f1o 6506  df-fv 6507  df-riota 7326  df-ov 7372  df-oprab 7373  df-proset 18235  df-poset 18254  df-plt 18269  df-lub 18285  df-glb 18286  df-join 18287  df-meet 18288  df-p0 18364  df-lat 18373  df-clat 18440  df-oposet 39162  df-ol 39164  df-oml 39165  df-covers 39252  df-ats 39253  df-atl 39284  df-cvlat 39308  df-hlat 39337  df-llines 39485  df-lplanes 39486

This theorem is referenced by:  dalem27  39686  dalem30  39689  dalem54  39713