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Theorem llnbase 39955
Description: A lattice line is a lattice element. (Contributed by NM, 16-Jun-2012.)
Hypotheses
Ref Expression
llnbase.b 𝐵 = (Base‘𝐾)
llnbase.n 𝑁 = (LLines‘𝐾)
Assertion
Ref Expression
llnbase (𝑋𝑁𝑋𝐵)

Proof of Theorem llnbase
Dummy variable 𝑝 is distinct from all other variables.
StepHypRef Expression
1 n0i 4280 . . . 4 (𝑋𝑁 → ¬ 𝑁 = ∅)
2 llnbase.n . . . . 5 𝑁 = (LLines‘𝐾)
32eqeq1i 2741 . . . 4 (𝑁 = ∅ ↔ (LLines‘𝐾) = ∅)
41, 3sylnib 328 . . 3 (𝑋𝑁 → ¬ (LLines‘𝐾) = ∅)
5 fvprc 6832 . . 3 𝐾 ∈ V → (LLines‘𝐾) = ∅)
64, 5nsyl2 141 . 2 (𝑋𝑁𝐾 ∈ V)
7 llnbase.b . . . 4 𝐵 = (Base‘𝐾)
8 eqid 2736 . . . 4 ( ⋖ ‘𝐾) = ( ⋖ ‘𝐾)
9 eqid 2736 . . . 4 (Atoms‘𝐾) = (Atoms‘𝐾)
107, 8, 9, 2islln 39952 . . 3 (𝐾 ∈ V → (𝑋𝑁 ↔ (𝑋𝐵 ∧ ∃𝑝 ∈ (Atoms‘𝐾)𝑝( ⋖ ‘𝐾)𝑋)))
1110simprbda 498 . 2 ((𝐾 ∈ V ∧ 𝑋𝑁) → 𝑋𝐵)
126, 11mpancom 689 1 (𝑋𝑁𝑋𝐵)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1542  wcel 2114  wrex 3061  Vcvv 3429  c0 4273   class class class wbr 5085  cfv 6498  Basecbs 17179  ccvr 39708  Atomscatm 39709  LLinesclln 39937
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2708  ax-sep 5231  ax-nul 5241  ax-pr 5375
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2539  df-eu 2569  df-clab 2715  df-cleq 2728  df-clel 2811  df-nfc 2885  df-ne 2933  df-ral 3052  df-rex 3062  df-rab 3390  df-v 3431  df-dif 3892  df-un 3894  df-in 3896  df-ss 3906  df-nul 4274  df-if 4467  df-pw 4543  df-sn 4568  df-pr 4570  df-op 4574  df-uni 4851  df-br 5086  df-opab 5148  df-mpt 5167  df-id 5526  df-xp 5637  df-rel 5638  df-cnv 5639  df-co 5640  df-dm 5641  df-iota 6454  df-fun 6500  df-fv 6506  df-llines 39944
This theorem is referenced by:  islln2  39957  llnnleat  39959  llnneat  39960  atcvrlln2  39965  llnexatN  39967  llncmp  39968  2llnmat  39970  islpln3  39979  llnmlplnN  39985  lplnle  39986  lplnnle2at  39987  llncvrlpln2  40003  llncvrlpln  40004  2llnmj  40006  lplncmp  40008  lplnexatN  40009  lplnexllnN  40010  2llnm2N  40014  2llnm3N  40015  2llnm4  40016  2llnmeqat  40017  dalem21  40140  dalem54  40172  dalem55  40173  dalem57  40175  dalem60  40178  llnexchb2lem  40314  llnexchb2  40315  llnexch2N  40316
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