Theorem atltcvr 36570

Description: An equivalence of less-than ordering and covers relation. (Contributed by NM, 7-Feb-2012.)

Hypotheses

Ref	Expression
atltcvr.s	⊢ < = (lt‘𝐾)
atltcvr.j	⊢ ∨ = (join‘𝐾)
atltcvr.a	⊢ 𝐴 = (Atoms‘𝐾)
atltcvr.c	⊢ 𝐶 = ( ⋖ ‘𝐾)

Assertion

Ref	Expression
atltcvr	⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) → (𝑃 < (𝑄 ∨ 𝑅) ↔ 𝑃𝐶(𝑄 ∨ 𝑅)))

Proof of Theorem atltcvr

Step	Hyp	Ref	Expression
1		oveq1 7162	. . . . . 6 ⊢ (𝑄 = 𝑅 → (𝑄 ∨ 𝑅) = (𝑅 ∨ 𝑅))
2		simpr3 1192	. . . . . . 7 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) → 𝑅 ∈ 𝐴)
3		atltcvr.j	. . . . . . . 8 ⊢ ∨ = (join‘𝐾)
4		atltcvr.a	. . . . . . . 8 ⊢ 𝐴 = (Atoms‘𝐾)
5	3, 4	hlatjidm 36504	. . . . . . 7 ⊢ ((𝐾 ∈ HL ∧ 𝑅 ∈ 𝐴) → (𝑅 ∨ 𝑅) = 𝑅)
6	2, 5	syldan 593	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) → (𝑅 ∨ 𝑅) = 𝑅)
7	1, 6	sylan9eqr 2878	. . . . 5 ⊢ (((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) ∧ 𝑄 = 𝑅) → (𝑄 ∨ 𝑅) = 𝑅)
8	7	breq2d 5077	. . . 4 ⊢ (((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) ∧ 𝑄 = 𝑅) → (𝑃 < (𝑄 ∨ 𝑅) ↔ 𝑃 < 𝑅))
9		hlatl 36495	. . . . . . . 8 ⊢ (𝐾 ∈ HL → 𝐾 ∈ AtLat)
10	9	adantr 483	. . . . . . 7 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) → 𝐾 ∈ AtLat)
11		simpr1 1190	. . . . . . 7 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) → 𝑃 ∈ 𝐴)
12		atltcvr.s	. . . . . . . 8 ⊢ < = (lt‘𝐾)
13	12, 4	atnlt 36448	. . . . . . 7 ⊢ ((𝐾 ∈ AtLat ∧ 𝑃 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴) → ¬ 𝑃 < 𝑅)
14	10, 11, 2, 13	syl3anc 1367	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) → ¬ 𝑃 < 𝑅)
15	14	pm2.21d 121	. . . . 5 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) → (𝑃 < 𝑅 → 𝑃𝐶(𝑄 ∨ 𝑅)))
16	15	adantr 483	. . . 4 ⊢ (((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) ∧ 𝑄 = 𝑅) → (𝑃 < 𝑅 → 𝑃𝐶(𝑄 ∨ 𝑅)))
17	8, 16	sylbid 242	. . 3 ⊢ (((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) ∧ 𝑄 = 𝑅) → (𝑃 < (𝑄 ∨ 𝑅) → 𝑃𝐶(𝑄 ∨ 𝑅)))
18		simpl 485	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) → 𝐾 ∈ HL)
19		hllat 36498	. . . . . . . 8 ⊢ (𝐾 ∈ HL → 𝐾 ∈ Lat)
20	19	adantr 483	. . . . . . 7 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) → 𝐾 ∈ Lat)
21		simpr2 1191	. . . . . . . 8 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) → 𝑄 ∈ 𝐴)
22		eqid 2821	. . . . . . . . 9 ⊢ (Base‘𝐾) = (Base‘𝐾)
23	22, 4	atbase 36424	. . . . . . . 8 ⊢ (𝑄 ∈ 𝐴 → 𝑄 ∈ (Base‘𝐾))
24	21, 23	syl 17	. . . . . . 7 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) → 𝑄 ∈ (Base‘𝐾))
25	22, 4	atbase 36424	. . . . . . . 8 ⊢ (𝑅 ∈ 𝐴 → 𝑅 ∈ (Base‘𝐾))
26	2, 25	syl 17	. . . . . . 7 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) → 𝑅 ∈ (Base‘𝐾))
27	22, 3	latjcl 17660	. . . . . . 7 ⊢ ((𝐾 ∈ Lat ∧ 𝑄 ∈ (Base‘𝐾) ∧ 𝑅 ∈ (Base‘𝐾)) → (𝑄 ∨ 𝑅) ∈ (Base‘𝐾))
28	20, 24, 26, 27	syl3anc 1367	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) → (𝑄 ∨ 𝑅) ∈ (Base‘𝐾))
29		eqid 2821	. . . . . . 7 ⊢ (le‘𝐾) = (le‘𝐾)
30	29, 12	pltle 17570	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ (𝑄 ∨ 𝑅) ∈ (Base‘𝐾)) → (𝑃 < (𝑄 ∨ 𝑅) → 𝑃(le‘𝐾)(𝑄 ∨ 𝑅)))
31	18, 11, 28, 30	syl3anc 1367	. . . . 5 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) → (𝑃 < (𝑄 ∨ 𝑅) → 𝑃(le‘𝐾)(𝑄 ∨ 𝑅)))
32	31	adantr 483	. . . 4 ⊢ (((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) ∧ 𝑄 ≠ 𝑅) → (𝑃 < (𝑄 ∨ 𝑅) → 𝑃(le‘𝐾)(𝑄 ∨ 𝑅)))
33		simpll 765	. . . . . . . 8 ⊢ (((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) ∧ (𝑄 ≠ 𝑅 ∧ 𝑃(le‘𝐾)(𝑄 ∨ 𝑅))) → 𝐾 ∈ HL)
34		simplr 767	. . . . . . . 8 ⊢ (((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) ∧ (𝑄 ≠ 𝑅 ∧ 𝑃(le‘𝐾)(𝑄 ∨ 𝑅))) → (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴))
35		simpr 487	. . . . . . . 8 ⊢ (((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) ∧ (𝑄 ≠ 𝑅 ∧ 𝑃(le‘𝐾)(𝑄 ∨ 𝑅))) → (𝑄 ≠ 𝑅 ∧ 𝑃(le‘𝐾)(𝑄 ∨ 𝑅)))
36	33, 34, 35	3jca 1124	. . . . . . 7 ⊢ (((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) ∧ (𝑄 ≠ 𝑅 ∧ 𝑃(le‘𝐾)(𝑄 ∨ 𝑅))) → (𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴) ∧ (𝑄 ≠ 𝑅 ∧ 𝑃(le‘𝐾)(𝑄 ∨ 𝑅))))
37	36	anassrs 470	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) ∧ 𝑄 ≠ 𝑅) ∧ 𝑃(le‘𝐾)(𝑄 ∨ 𝑅)) → (𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴) ∧ (𝑄 ≠ 𝑅 ∧ 𝑃(le‘𝐾)(𝑄 ∨ 𝑅))))
38		atltcvr.c	. . . . . . 7 ⊢ 𝐶 = ( ⋖ ‘𝐾)
39	29, 3, 38, 4	atcvrj2 36568	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴) ∧ (𝑄 ≠ 𝑅 ∧ 𝑃(le‘𝐾)(𝑄 ∨ 𝑅))) → 𝑃𝐶(𝑄 ∨ 𝑅))
40	37, 39	syl 17	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) ∧ 𝑄 ≠ 𝑅) ∧ 𝑃(le‘𝐾)(𝑄 ∨ 𝑅)) → 𝑃𝐶(𝑄 ∨ 𝑅))
41	40	ex 415	. . . 4 ⊢ (((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) ∧ 𝑄 ≠ 𝑅) → (𝑃(le‘𝐾)(𝑄 ∨ 𝑅) → 𝑃𝐶(𝑄 ∨ 𝑅)))
42	32, 41	syld 47	. . 3 ⊢ (((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) ∧ 𝑄 ≠ 𝑅) → (𝑃 < (𝑄 ∨ 𝑅) → 𝑃𝐶(𝑄 ∨ 𝑅)))
43	17, 42	pm2.61dane 3104	. 2 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) → (𝑃 < (𝑄 ∨ 𝑅) → 𝑃𝐶(𝑄 ∨ 𝑅)))
44	22, 4	atbase 36424	. . . 4 ⊢ (𝑃 ∈ 𝐴 → 𝑃 ∈ (Base‘𝐾))
45	11, 44	syl 17	. . 3 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) → 𝑃 ∈ (Base‘𝐾))
46	22, 12, 38	cvrlt 36405	. . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ (Base‘𝐾) ∧ (𝑄 ∨ 𝑅) ∈ (Base‘𝐾)) ∧ 𝑃𝐶(𝑄 ∨ 𝑅)) → 𝑃 < (𝑄 ∨ 𝑅))
47	46	ex 415	. . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑃 ∈ (Base‘𝐾) ∧ (𝑄 ∨ 𝑅) ∈ (Base‘𝐾)) → (𝑃𝐶(𝑄 ∨ 𝑅) → 𝑃 < (𝑄 ∨ 𝑅)))
48	18, 45, 28, 47	syl3anc 1367	. 2 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) → (𝑃𝐶(𝑄 ∨ 𝑅) → 𝑃 < (𝑄 ∨ 𝑅)))
49	43, 48	impbid 214	1 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) → (𝑃 < (𝑄 ∨ 𝑅) ↔ 𝑃𝐶(𝑄 ∨ 𝑅)))

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 208   ∧ wa 398   ∧ w3a 1083   = wceq 1533   ∈ wcel 2110   ≠ wne 3016   class class class wbr 5065  ‘cfv 6354  (class class class)co 7155  Basecbs 16482  lecple 16571  ltcplt 17550  joincjn 17553  Latclat 17654   ⋖ ccvr 36397  Atomscatm 36398  AtLatcal 36399  HLchlt 36485

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-5 1907  ax-6 1966  ax-7 2011  ax-8 2112  ax-9 2120  ax-10 2141  ax-11 2157  ax-12 2173  ax-ext 2793  ax-rep 5189  ax-sep 5202  ax-nul 5209  ax-pow 5265  ax-pr 5329  ax-un 7460

This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1536  df-ex 1777  df-nf 1781  df-sb 2066  df-mo 2618  df-eu 2650  df-clab 2800  df-cleq 2814  df-clel 2893  df-nfc 2963  df-ne 3017  df-ral 3143  df-rex 3144  df-reu 3145  df-rab 3147  df-v 3496  df-sbc 3772  df-csb 3883  df-dif 3938  df-un 3940  df-in 3942  df-ss 3951  df-nul 4291  df-if 4467  df-pw 4540  df-sn 4567  df-pr 4569  df-op 4573  df-uni 4838  df-iun 4920  df-br 5066  df-opab 5128  df-mpt 5146  df-id 5459  df-xp 5560  df-rel 5561  df-cnv 5562  df-co 5563  df-dm 5564  df-rn 5565  df-res 5566  df-ima 5567  df-iota 6313  df-fun 6356  df-fn 6357  df-f 6358  df-f1 6359  df-fo 6360  df-f1o 6361  df-fv 6362  df-riota 7113  df-ov 7158  df-oprab 7159  df-proset 17537  df-poset 17555  df-plt 17567  df-lub 17583  df-glb 17584  df-join 17585  df-meet 17586  df-p0 17648  df-lat 17655  df-clat 17717  df-oposet 36311  df-ol 36313  df-oml 36314  df-covers 36401  df-ats 36402  df-atl 36433  df-cvlat 36457  df-hlat 36486

This theorem is referenced by:  atlt  36572  2atlt  36574  atexchltN  36576