Theorem 2llnma1b 39743

Description: Generalization of 2llnma1 39744. (Contributed by NM, 26-Apr-2013.)

Hypotheses

Ref	Expression
2llnma1b.b	⊢ 𝐵 = (Base‘𝐾)
2llnma1b.l	⊢ ≤ = (le‘𝐾)
2llnma1b.j	⊢ ∨ = (join‘𝐾)
2llnma1b.m	⊢ ∧ = (meet‘𝐾)
2llnma1b.a	⊢ 𝐴 = (Atoms‘𝐾)

Assertion

Ref	Expression
2llnma1b	⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → ((𝑃 ∨ 𝑋) ∧ (𝑃 ∨ 𝑄)) = 𝑃)

Proof of Theorem 2llnma1b

Step	Hyp	Ref	Expression
1		hllat 39319	. . . . . 6 ⊢ (𝐾 ∈ HL → 𝐾 ∈ Lat)
2	1	3ad2ant1 1133	. . . . 5 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → 𝐾 ∈ Lat)
3		simp22 1207	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → 𝑃 ∈ 𝐴)
4		2llnma1b.b	. . . . . . 7 ⊢ 𝐵 = (Base‘𝐾)
5		2llnma1b.a	. . . . . . 7 ⊢ 𝐴 = (Atoms‘𝐾)
6	4, 5	atbase 39245	. . . . . 6 ⊢ (𝑃 ∈ 𝐴 → 𝑃 ∈ 𝐵)
7	3, 6	syl 17	. . . . 5 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → 𝑃 ∈ 𝐵)
8		simp21 1206	. . . . 5 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → 𝑋 ∈ 𝐵)
9		2llnma1b.l	. . . . . 6 ⊢ ≤ = (le‘𝐾)
10		2llnma1b.j	. . . . . 6 ⊢ ∨ = (join‘𝐾)
11	4, 9, 10	latlej1 18518	. . . . 5 ⊢ ((𝐾 ∈ Lat ∧ 𝑃 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → 𝑃 ≤ (𝑃 ∨ 𝑋))
12	2, 7, 8, 11	syl3anc 1371	. . . 4 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → 𝑃 ≤ (𝑃 ∨ 𝑋))
13		simp23 1208	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → 𝑄 ∈ 𝐴)
14	4, 5	atbase 39245	. . . . . 6 ⊢ (𝑄 ∈ 𝐴 → 𝑄 ∈ 𝐵)
15	13, 14	syl 17	. . . . 5 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → 𝑄 ∈ 𝐵)
16	4, 9, 10	latlej1 18518	. . . . 5 ⊢ ((𝐾 ∈ Lat ∧ 𝑃 ∈ 𝐵 ∧ 𝑄 ∈ 𝐵) → 𝑃 ≤ (𝑃 ∨ 𝑄))
17	2, 7, 15, 16	syl3anc 1371	. . . 4 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → 𝑃 ≤ (𝑃 ∨ 𝑄))
18	4, 10	latjcl 18509	. . . . . 6 ⊢ ((𝐾 ∈ Lat ∧ 𝑃 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → (𝑃 ∨ 𝑋) ∈ 𝐵)
19	2, 7, 8, 18	syl3anc 1371	. . . . 5 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → (𝑃 ∨ 𝑋) ∈ 𝐵)
20		simp1 1136	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → 𝐾 ∈ HL)
21	4, 10, 5	hlatjcl 39323	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → (𝑃 ∨ 𝑄) ∈ 𝐵)
22	20, 3, 13, 21	syl3anc 1371	. . . . 5 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → (𝑃 ∨ 𝑄) ∈ 𝐵)
23		2llnma1b.m	. . . . . 6 ⊢ ∧ = (meet‘𝐾)
24	4, 9, 23	latlem12 18536	. . . . 5 ⊢ ((𝐾 ∈ Lat ∧ (𝑃 ∈ 𝐵 ∧ (𝑃 ∨ 𝑋) ∈ 𝐵 ∧ (𝑃 ∨ 𝑄) ∈ 𝐵)) → ((𝑃 ≤ (𝑃 ∨ 𝑋) ∧ 𝑃 ≤ (𝑃 ∨ 𝑄)) ↔ 𝑃 ≤ ((𝑃 ∨ 𝑋) ∧ (𝑃 ∨ 𝑄))))
25	2, 7, 19, 22, 24	syl13anc 1372	. . . 4 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → ((𝑃 ≤ (𝑃 ∨ 𝑋) ∧ 𝑃 ≤ (𝑃 ∨ 𝑄)) ↔ 𝑃 ≤ ((𝑃 ∨ 𝑋) ∧ (𝑃 ∨ 𝑄))))
26	12, 17, 25	mpbi2and 711	. . 3 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → 𝑃 ≤ ((𝑃 ∨ 𝑋) ∧ (𝑃 ∨ 𝑄)))
27		hlatl 39316	. . . . 5 ⊢ (𝐾 ∈ HL → 𝐾 ∈ AtLat)
28	27	3ad2ant1 1133	. . . 4 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → 𝐾 ∈ AtLat)
29		simp3 1138	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → ¬ 𝑄 ≤ (𝑃 ∨ 𝑋))
30		nbrne2 5186	. . . . . 6 ⊢ ((𝑃 ≤ (𝑃 ∨ 𝑋) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → 𝑃 ≠ 𝑄)
31	12, 29, 30	syl2anc 583	. . . . 5 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → 𝑃 ≠ 𝑄)
32	4, 10	latjcl 18509	. . . . . . 7 ⊢ ((𝐾 ∈ Lat ∧ (𝑃 ∨ 𝑋) ∈ 𝐵 ∧ 𝑄 ∈ 𝐵) → ((𝑃 ∨ 𝑋) ∨ 𝑄) ∈ 𝐵)
33	2, 19, 15, 32	syl3anc 1371	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → ((𝑃 ∨ 𝑋) ∨ 𝑄) ∈ 𝐵)
34	4, 9, 10	latlej1 18518	. . . . . . 7 ⊢ ((𝐾 ∈ Lat ∧ (𝑃 ∨ 𝑋) ∈ 𝐵 ∧ 𝑄 ∈ 𝐵) → (𝑃 ∨ 𝑋) ≤ ((𝑃 ∨ 𝑋) ∨ 𝑄))
35	2, 19, 15, 34	syl3anc 1371	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → (𝑃 ∨ 𝑋) ≤ ((𝑃 ∨ 𝑋) ∨ 𝑄))
36	4, 9, 2, 7, 19, 33, 12, 35	lattrd 18516	. . . . 5 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → 𝑃 ≤ ((𝑃 ∨ 𝑋) ∨ 𝑄))
37	4, 9, 10, 23, 5	cvrat3 39399	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ ((𝑃 ∨ 𝑋) ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → ((𝑃 ≠ 𝑄 ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋) ∧ 𝑃 ≤ ((𝑃 ∨ 𝑋) ∨ 𝑄)) → ((𝑃 ∨ 𝑋) ∧ (𝑃 ∨ 𝑄)) ∈ 𝐴))
38	37	3impia 1117	. . . . 5 ⊢ ((𝐾 ∈ HL ∧ ((𝑃 ∨ 𝑋) ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑃 ≠ 𝑄 ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋) ∧ 𝑃 ≤ ((𝑃 ∨ 𝑋) ∨ 𝑄))) → ((𝑃 ∨ 𝑋) ∧ (𝑃 ∨ 𝑄)) ∈ 𝐴)
39	20, 19, 3, 13, 31, 29, 36, 38	syl133anc 1393	. . . 4 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → ((𝑃 ∨ 𝑋) ∧ (𝑃 ∨ 𝑄)) ∈ 𝐴)
40	9, 5	atcmp 39267	. . . 4 ⊢ ((𝐾 ∈ AtLat ∧ 𝑃 ∈ 𝐴 ∧ ((𝑃 ∨ 𝑋) ∧ (𝑃 ∨ 𝑄)) ∈ 𝐴) → (𝑃 ≤ ((𝑃 ∨ 𝑋) ∧ (𝑃 ∨ 𝑄)) ↔ 𝑃 = ((𝑃 ∨ 𝑋) ∧ (𝑃 ∨ 𝑄))))
41	28, 3, 39, 40	syl3anc 1371	. . 3 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → (𝑃 ≤ ((𝑃 ∨ 𝑋) ∧ (𝑃 ∨ 𝑄)) ↔ 𝑃 = ((𝑃 ∨ 𝑋) ∧ (𝑃 ∨ 𝑄))))
42	26, 41	mpbid 232	. 2 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → 𝑃 = ((𝑃 ∨ 𝑋) ∧ (𝑃 ∨ 𝑄)))
43	42	eqcomd 2746	1 ⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ ¬ 𝑄 ≤ (𝑃 ∨ 𝑋)) → ((𝑃 ∨ 𝑋) ∧ (𝑃 ∨ 𝑄)) = 𝑃)

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 206   ∧ wa 395   ∧ w3a 1087   = wceq 1537   ∈ wcel 2108   ≠ wne 2946   class class class wbr 5166  ‘cfv 6573  (class class class)co 7448  Basecbs 17258  lecple 17318  joincjn 18381  meetcmee 18382  Latclat 18501  Atomscatm 39219  AtLatcal 39220  HLchlt 39306

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1793  ax-4 1807  ax-5 1909  ax-6 1967  ax-7 2007  ax-8 2110  ax-9 2118  ax-10 2141  ax-11 2158  ax-12 2178  ax-ext 2711  ax-rep 5303  ax-sep 5317  ax-nul 5324  ax-pow 5383  ax-pr 5447  ax-un 7770

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 847  df-3an 1089  df-tru 1540  df-fal 1550  df-ex 1778  df-nf 1782  df-sb 2065  df-mo 2543  df-eu 2572  df-clab 2718  df-cleq 2732  df-clel 2819  df-nfc 2895  df-ne 2947  df-ral 3068  df-rex 3077  df-rmo 3388  df-reu 3389  df-rab 3444  df-v 3490  df-sbc 3805  df-csb 3922  df-dif 3979  df-un 3981  df-in 3983  df-ss 3993  df-nul 4353  df-if 4549  df-pw 4624  df-sn 4649  df-pr 4651  df-op 4655  df-uni 4932  df-iun 5017  df-br 5167  df-opab 5229  df-mpt 5250  df-id 5593  df-xp 5706  df-rel 5707  df-cnv 5708  df-co 5709  df-dm 5710  df-rn 5711  df-res 5712  df-ima 5713  df-iota 6525  df-fun 6575  df-fn 6576  df-f 6577  df-f1 6578  df-fo 6579  df-f1o 6580  df-fv 6581  df-riota 7404  df-ov 7451  df-oprab 7452  df-proset 18365  df-poset 18383  df-plt 18400  df-lub 18416  df-glb 18417  df-join 18418  df-meet 18419  df-p0 18495  df-lat 18502  df-clat 18569  df-oposet 39132  df-ol 39134  df-oml 39135  df-covers 39222  df-ats 39223  df-atl 39254  df-cvlat 39278  df-hlat 39307

This theorem is referenced by:  2llnma1  39744  cdlemg4  40574  cdlemkfid1N  40878