Theorem atcvrlln2 36657

Description: An atom under a line is covered by it. (Contributed by NM, 2-Jul-2012.)

Hypotheses

Ref	Expression
atcvrlln2.l	⊢ ≤ = (le‘𝐾)
atcvrlln2.c	⊢ 𝐶 = ( ⋖ ‘𝐾)
atcvrlln2.a	⊢ 𝐴 = (Atoms‘𝐾)
atcvrlln2.n	⊢ 𝑁 = (LLines‘𝐾)

Assertion

Ref	Expression
atcvrlln2	⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁) ∧ 𝑃 ≤ 𝑋) → 𝑃𝐶𝑋)

Proof of Theorem atcvrlln2

Dummy variables 𝑟 𝑞 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		simpl3 1189	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁) ∧ 𝑃 ≤ 𝑋) → 𝑋 ∈ 𝑁)
2		simpl1 1187	. . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁) ∧ 𝑃 ≤ 𝑋) → 𝐾 ∈ HL)
3		eqid 2823	. . . . . 6 ⊢ (Base‘𝐾) = (Base‘𝐾)
4		atcvrlln2.n	. . . . . 6 ⊢ 𝑁 = (LLines‘𝐾)
5	3, 4	llnbase 36647	. . . . 5 ⊢ (𝑋 ∈ 𝑁 → 𝑋 ∈ (Base‘𝐾))
6	1, 5	syl 17	. . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁) ∧ 𝑃 ≤ 𝑋) → 𝑋 ∈ (Base‘𝐾))
7		eqid 2823	. . . . 5 ⊢ (join‘𝐾) = (join‘𝐾)
8		atcvrlln2.a	. . . . 5 ⊢ 𝐴 = (Atoms‘𝐾)
9	3, 7, 8, 4	islln3 36648	. . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ (Base‘𝐾)) → (𝑋 ∈ 𝑁 ↔ ∃𝑞 ∈ 𝐴 ∃𝑟 ∈ 𝐴 (𝑞 ≠ 𝑟 ∧ 𝑋 = (𝑞(join‘𝐾)𝑟))))
10	2, 6, 9	syl2anc 586	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁) ∧ 𝑃 ≤ 𝑋) → (𝑋 ∈ 𝑁 ↔ ∃𝑞 ∈ 𝐴 ∃𝑟 ∈ 𝐴 (𝑞 ≠ 𝑟 ∧ 𝑋 = (𝑞(join‘𝐾)𝑟))))
11	1, 10	mpbid 234	. 2 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁) ∧ 𝑃 ≤ 𝑋) → ∃𝑞 ∈ 𝐴 ∃𝑟 ∈ 𝐴 (𝑞 ≠ 𝑟 ∧ 𝑋 = (𝑞(join‘𝐾)𝑟)))
12		simp1l1 1262	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁) ∧ 𝑃 ≤ 𝑋) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴) ∧ (𝑞 ≠ 𝑟 ∧ 𝑋 = (𝑞(join‘𝐾)𝑟))) → 𝐾 ∈ HL)
13		simp1l2 1263	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁) ∧ 𝑃 ≤ 𝑋) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴) ∧ (𝑞 ≠ 𝑟 ∧ 𝑋 = (𝑞(join‘𝐾)𝑟))) → 𝑃 ∈ 𝐴)
14		simp2l 1195	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁) ∧ 𝑃 ≤ 𝑋) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴) ∧ (𝑞 ≠ 𝑟 ∧ 𝑋 = (𝑞(join‘𝐾)𝑟))) → 𝑞 ∈ 𝐴)
15		simp2r 1196	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁) ∧ 𝑃 ≤ 𝑋) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴) ∧ (𝑞 ≠ 𝑟 ∧ 𝑋 = (𝑞(join‘𝐾)𝑟))) → 𝑟 ∈ 𝐴)
16		simp3l 1197	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁) ∧ 𝑃 ≤ 𝑋) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴) ∧ (𝑞 ≠ 𝑟 ∧ 𝑋 = (𝑞(join‘𝐾)𝑟))) → 𝑞 ≠ 𝑟)
17		simp1r 1194	. . . . . . 7 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁) ∧ 𝑃 ≤ 𝑋) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴) ∧ (𝑞 ≠ 𝑟 ∧ 𝑋 = (𝑞(join‘𝐾)𝑟))) → 𝑃 ≤ 𝑋)
18		simp3r 1198	. . . . . . 7 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁) ∧ 𝑃 ≤ 𝑋) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴) ∧ (𝑞 ≠ 𝑟 ∧ 𝑋 = (𝑞(join‘𝐾)𝑟))) → 𝑋 = (𝑞(join‘𝐾)𝑟))
19	17, 18	breqtrd 5094	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁) ∧ 𝑃 ≤ 𝑋) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴) ∧ (𝑞 ≠ 𝑟 ∧ 𝑋 = (𝑞(join‘𝐾)𝑟))) → 𝑃 ≤ (𝑞(join‘𝐾)𝑟))
20		atcvrlln2.l	. . . . . . 7 ⊢ ≤ = (le‘𝐾)
21		atcvrlln2.c	. . . . . . 7 ⊢ 𝐶 = ( ⋖ ‘𝐾)
22	20, 7, 21, 8	atcvrj2 36571	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴) ∧ (𝑞 ≠ 𝑟 ∧ 𝑃 ≤ (𝑞(join‘𝐾)𝑟))) → 𝑃𝐶(𝑞(join‘𝐾)𝑟))
23	12, 13, 14, 15, 16, 19, 22	syl132anc 1384	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁) ∧ 𝑃 ≤ 𝑋) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴) ∧ (𝑞 ≠ 𝑟 ∧ 𝑋 = (𝑞(join‘𝐾)𝑟))) → 𝑃𝐶(𝑞(join‘𝐾)𝑟))
24	23, 18	breqtrrd 5096	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁) ∧ 𝑃 ≤ 𝑋) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴) ∧ (𝑞 ≠ 𝑟 ∧ 𝑋 = (𝑞(join‘𝐾)𝑟))) → 𝑃𝐶𝑋)
25	24	3exp 1115	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁) ∧ 𝑃 ≤ 𝑋) → ((𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴) → ((𝑞 ≠ 𝑟 ∧ 𝑋 = (𝑞(join‘𝐾)𝑟)) → 𝑃𝐶𝑋)))
26	25	rexlimdvv 3295	. 2 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁) ∧ 𝑃 ≤ 𝑋) → (∃𝑞 ∈ 𝐴 ∃𝑟 ∈ 𝐴 (𝑞 ≠ 𝑟 ∧ 𝑋 = (𝑞(join‘𝐾)𝑟)) → 𝑃𝐶𝑋))
27	11, 26	mpd 15	1 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁) ∧ 𝑃 ≤ 𝑋) → 𝑃𝐶𝑋)

Syntax hints:   → wi 4   ↔ wb 208   ∧ wa 398   ∧ w3a 1083   = wceq 1537   ∈ wcel 2114   ≠ wne 3018  ∃wrex 3141   class class class wbr 5068  ‘cfv 6357  (class class class)co 7158  Basecbs 16485  lecple 16574  joincjn 17556   ⋖ ccvr 36400  Atomscatm 36401  HLchlt 36488  LLinesclln 36629

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 1970  ax-7 2015  ax-8 2116  ax-9 2124  ax-10 2145  ax-11 2161  ax-12 2177  ax-ext 2795  ax-rep 5192  ax-sep 5205  ax-nul 5212  ax-pow 5268  ax-pr 5332  ax-un 7463

This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1540  df-ex 1781  df-nf 1785  df-sb 2070  df-mo 2622  df-eu 2654  df-clab 2802  df-cleq 2816  df-clel 2895  df-nfc 2965  df-ne 3019  df-ral 3145  df-rex 3146  df-reu 3147  df-rab 3149  df-v 3498  df-sbc 3775  df-csb 3886  df-dif 3941  df-un 3943  df-in 3945  df-ss 3954  df-nul 4294  df-if 4470  df-pw 4543  df-sn 4570  df-pr 4572  df-op 4576  df-uni 4841  df-iun 4923  df-br 5069  df-opab 5131  df-mpt 5149  df-id 5462  df-xp 5563  df-rel 5564  df-cnv 5565  df-co 5566  df-dm 5567  df-rn 5568  df-res 5569  df-ima 5570  df-iota 6316  df-fun 6359  df-fn 6360  df-f 6361  df-f1 6362  df-fo 6363  df-f1o 6364  df-fv 6365  df-riota 7116  df-ov 7161  df-oprab 7162  df-proset 17540  df-poset 17558  df-plt 17570  df-lub 17586  df-glb 17587  df-join 17588  df-meet 17589  df-p0 17651  df-lat 17658  df-clat 17720  df-oposet 36314  df-ol 36316  df-oml 36317  df-covers 36404  df-ats 36405  df-atl 36436  df-cvlat 36460  df-hlat 36489  df-llines 36636

This theorem is referenced by:  llnexatN  36659  llncmp  36660  2llnmat  36662  2llnmj  36698