Theorem dalem5 39866

Description: Lemma for dath 39935. Atom 𝑈 (in plane 𝑍 = 𝑆𝑇𝑈) belongs to the 3-dimensional volume formed by 𝑌 and 𝐶. (Contributed by NM, 21-Jul-2012.)

Hypotheses

Ref	Expression
dalema.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)))))
dalemc.l	⊢ ≤ = (le‘𝐾)
dalemc.j	⊢ ∨ = (join‘𝐾)
dalemc.a	⊢ 𝐴 = (Atoms‘𝐾)
dalem5.o	⊢ 𝑂 = (LPlanes‘𝐾)
dalem5.y	⊢ 𝑌 = ((𝑃 ∨ 𝑄) ∨ 𝑅)
dalem5.w	⊢ 𝑊 = (𝑌 ∨ 𝐶)

Assertion

Ref	Expression
dalem5	⊢ (𝜑 → 𝑈 ≤ 𝑊)

Proof of Theorem dalem5

Step	Hyp	Ref	Expression
1		eqid 2734	. 2 ⊢ (Base‘𝐾) = (Base‘𝐾)
2		dalemc.l	. 2 ⊢ ≤ = (le‘𝐾)
3		dalema.ph	. . 3 ⊢ (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	dalemkelat 39823	. 2 ⊢ (𝜑 → 𝐾 ∈ Lat)
5		dalemc.a	. . 3 ⊢ 𝐴 = (Atoms‘𝐾)
6	3, 5	dalemueb 39843	. 2 ⊢ (𝜑 → 𝑈 ∈ (Base‘𝐾))
7	3	dalemkehl 39822	. . 3 ⊢ (𝜑 → 𝐾 ∈ HL)
8	3	dalemrea 39827	. . 3 ⊢ (𝜑 → 𝑅 ∈ 𝐴)
9		dalemc.j	. . . 4 ⊢ ∨ = (join‘𝐾)
10		dalem5.o	. . . 4 ⊢ 𝑂 = (LPlanes‘𝐾)
11		dalem5.y	. . . 4 ⊢ 𝑌 = ((𝑃 ∨ 𝑄) ∨ 𝑅)
12	3, 2, 9, 5, 10, 11	dalemcea 39859	. . 3 ⊢ (𝜑 → 𝐶 ∈ 𝐴)
13	1, 9, 5	hlatjcl 39566	. . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑅 ∈ 𝐴 ∧ 𝐶 ∈ 𝐴) → (𝑅 ∨ 𝐶) ∈ (Base‘𝐾))
14	7, 8, 12, 13	syl3anc 1373	. 2 ⊢ (𝜑 → (𝑅 ∨ 𝐶) ∈ (Base‘𝐾))
15		dalem5.w	. . 3 ⊢ 𝑊 = (𝑌 ∨ 𝐶)
16	3, 10	dalemyeb 39848	. . . 4 ⊢ (𝜑 → 𝑌 ∈ (Base‘𝐾))
17	3, 5	dalemceb 39837	. . . 4 ⊢ (𝜑 → 𝐶 ∈ (Base‘𝐾))
18	1, 9	latjcl 18360	. . . 4 ⊢ ((𝐾 ∈ Lat ∧ 𝑌 ∈ (Base‘𝐾) ∧ 𝐶 ∈ (Base‘𝐾)) → (𝑌 ∨ 𝐶) ∈ (Base‘𝐾))
19	4, 16, 17, 18	syl3anc 1373	. . 3 ⊢ (𝜑 → (𝑌 ∨ 𝐶) ∈ (Base‘𝐾))
20	15, 19	eqeltrid 2838	. 2 ⊢ (𝜑 → 𝑊 ∈ (Base‘𝐾))
21	3	dalemclrju 39835	. . 3 ⊢ (𝜑 → 𝐶 ≤ (𝑅 ∨ 𝑈))
22	3	dalemuea 39830	. . . 4 ⊢ (𝜑 → 𝑈 ∈ 𝐴)
23	3	dalempea 39825	. . . . 5 ⊢ (𝜑 → 𝑃 ∈ 𝐴)
24		simp313 1323	. . . . . 6 ⊢ ((((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)))) → ¬ 𝐶 ≤ (𝑅 ∨ 𝑃))
25	3, 24	sylbi 217	. . . . 5 ⊢ (𝜑 → ¬ 𝐶 ≤ (𝑅 ∨ 𝑃))
26	2, 9, 5	atnlej1 39578	. . . . 5 ⊢ ((𝐾 ∈ HL ∧ (𝐶 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴 ∧ 𝑃 ∈ 𝐴) ∧ ¬ 𝐶 ≤ (𝑅 ∨ 𝑃)) → 𝐶 ≠ 𝑅)
27	7, 12, 8, 23, 25, 26	syl131anc 1385	. . . 4 ⊢ (𝜑 → 𝐶 ≠ 𝑅)
28	2, 9, 5	hlatexch1 39594	. . . 4 ⊢ ((𝐾 ∈ HL ∧ (𝐶 ∈ 𝐴 ∧ 𝑈 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴) ∧ 𝐶 ≠ 𝑅) → (𝐶 ≤ (𝑅 ∨ 𝑈) → 𝑈 ≤ (𝑅 ∨ 𝐶)))
29	7, 12, 22, 8, 27, 28	syl131anc 1385	. . 3 ⊢ (𝜑 → (𝐶 ≤ (𝑅 ∨ 𝑈) → 𝑈 ≤ (𝑅 ∨ 𝐶)))
30	21, 29	mpd 15	. 2 ⊢ (𝜑 → 𝑈 ≤ (𝑅 ∨ 𝐶))
31	3, 9, 5	dalempjqeb 39844	. . . . . 6 ⊢ (𝜑 → (𝑃 ∨ 𝑄) ∈ (Base‘𝐾))
32	3, 5	dalemreb 39840	. . . . . 6 ⊢ (𝜑 → 𝑅 ∈ (Base‘𝐾))
33	1, 2, 9	latlej2 18370	. . . . . 6 ⊢ ((𝐾 ∈ Lat ∧ (𝑃 ∨ 𝑄) ∈ (Base‘𝐾) ∧ 𝑅 ∈ (Base‘𝐾)) → 𝑅 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑅))
34	4, 31, 32, 33	syl3anc 1373	. . . . 5 ⊢ (𝜑 → 𝑅 ≤ ((𝑃 ∨ 𝑄) ∨ 𝑅))
35	34, 11	breqtrrdi 5138	. . . 4 ⊢ (𝜑 → 𝑅 ≤ 𝑌)
36	1, 2, 9	latjlej1 18374	. . . . 5 ⊢ ((𝐾 ∈ Lat ∧ (𝑅 ∈ (Base‘𝐾) ∧ 𝑌 ∈ (Base‘𝐾) ∧ 𝐶 ∈ (Base‘𝐾))) → (𝑅 ≤ 𝑌 → (𝑅 ∨ 𝐶) ≤ (𝑌 ∨ 𝐶)))
37	4, 32, 16, 17, 36	syl13anc 1374	. . . 4 ⊢ (𝜑 → (𝑅 ≤ 𝑌 → (𝑅 ∨ 𝐶) ≤ (𝑌 ∨ 𝐶)))
38	35, 37	mpd 15	. . 3 ⊢ (𝜑 → (𝑅 ∨ 𝐶) ≤ (𝑌 ∨ 𝐶))
39	38, 15	breqtrrdi 5138	. 2 ⊢ (𝜑 → (𝑅 ∨ 𝐶) ≤ 𝑊)
40	1, 2, 4, 6, 14, 20, 30, 39	lattrd 18367	1 ⊢ (𝜑 → 𝑈 ≤ 𝑊)

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 206   ∧ wa 395   ∧ w3a 1086   = wceq 1541   ∈ wcel 2113   ≠ wne 2930   class class class wbr 5096  ‘cfv 6490  (class class class)co 7356  Basecbs 17134  lecple 17182  joincjn 18232  Latclat 18352  Atomscatm 39462  HLchlt 39549  LPlanesclpl 39691

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2115  ax-9 2123  ax-10 2146  ax-11 2162  ax-12 2182  ax-ext 2706  ax-rep 5222  ax-sep 5239  ax-nul 5249  ax-pow 5308  ax-pr 5375  ax-un 7678

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2068  df-mo 2537  df-eu 2567  df-clab 2713  df-cleq 2726  df-clel 2809  df-nfc 2883  df-ne 2931  df-ral 3050  df-rex 3059  df-rmo 3348  df-reu 3349  df-rab 3398  df-v 3440  df-sbc 3739  df-csb 3848  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-nul 4284  df-if 4478  df-pw 4554  df-sn 4579  df-pr 4581  df-op 4585  df-uni 4862  df-iun 4946  df-br 5097  df-opab 5159  df-mpt 5178  df-id 5517  df-xp 5628  df-rel 5629  df-cnv 5630  df-co 5631  df-dm 5632  df-rn 5633  df-res 5634  df-ima 5635  df-iota 6446  df-fun 6492  df-fn 6493  df-f 6494  df-f1 6495  df-fo 6496  df-f1o 6497  df-fv 6498  df-riota 7313  df-ov 7359  df-oprab 7360  df-proset 18215  df-poset 18234  df-plt 18249  df-lub 18265  df-glb 18266  df-join 18267  df-meet 18268  df-p0 18344  df-lat 18353  df-clat 18420  df-oposet 39375  df-ol 39377  df-oml 39378  df-covers 39465  df-ats 39466  df-atl 39497  df-cvlat 39521  df-hlat 39550  df-llines 39697  df-lplanes 39698

This theorem is referenced by:  dalem6  39867  dalem8  39869