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Theorem llnbase 40168
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 4301 . . . 4 (𝑋𝑁 → ¬ 𝑁 = ∅)
2 llnbase.n . . . . 5 𝑁 = (LLines‘𝐾)
32eqeq1i 2774 . . . 4 (𝑁 = ∅ ↔ (LLines‘𝐾) = ∅)
41, 3sylnib 331 . . 3 (𝑋𝑁 → ¬ (LLines‘𝐾) = ∅)
5 fvprc 6871 . . 3 𝐾 ∈ V → (LLines‘𝐾) = ∅)
64, 5nsyl2 142 . 2 (𝑋𝑁𝐾 ∈ V)
7 llnbase.b . . . 4 𝐵 = (Base‘𝐾)
8 eqid 2769 . . . 4 ( ⋖ ‘𝐾) = ( ⋖ ‘𝐾)
9 eqid 2769 . . . 4 (Atoms‘𝐾) = (Atoms‘𝐾)
107, 8, 9, 2islln 40165 . . 3 (𝐾 ∈ V → (𝑋𝑁 ↔ (𝑋𝐵 ∧ ∃𝑝 ∈ (Atoms‘𝐾)𝑝( ⋖ ‘𝐾)𝑋)))
1110simprbda 503 . 2 ((𝐾 ∈ V ∧ 𝑋𝑁) → 𝑋𝐵)
126, 11mpancom 700 1 (𝑋𝑁𝑋𝐵)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1567  wcel 2149  wrex 3095  Vcvv 3463  c0 4294   class class class wbr 5110  cfv 6534  Basecbs 17265  ccvr 39921  Atomscatm 39922  LLinesclln 40150
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1822  ax-4 1836  ax-5 1937  ax-6 1994  ax-7 2035  ax-8 2151  ax-9 2159  ax-10 2182  ax-11 2198  ax-12 2219  ax-ext 2741  ax-sep 5258  ax-nul 5268  ax-pr 5402
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1103  df-tru 1570  df-fal 1580  df-ex 1807  df-nf 1811  df-sb 2098  df-mo 2573  df-eu 2603  df-clab 2748  df-cleq 2761  df-clel 2844  df-nfc 2918  df-ne 2965  df-ral 3086  df-rex 3096  df-rab 3424  df-v 3465  df-dif 3916  df-un 3918  df-in 3920  df-ss 3930  df-nul 4295  df-if 4490  df-pw 4566  df-sn 4592  df-pr 4594  df-op 4598  df-uni 4874  df-br 5111  df-opab 5175  df-mpt 5194  df-id 5554  df-xp 5665  df-rel 5666  df-cnv 5667  df-co 5668  df-dm 5669  df-iota 6490  df-fun 6536  df-fv 6542  df-llines 40157
This theorem is referenced by:  islln2  40170  llnnleat  40172  llnneat  40173  atcvrlln2  40178  llnexatN  40180  llncmp  40181  2llnmat  40183  islpln3  40192  llnmlplnN  40198  lplnle  40199  lplnnle2at  40200  llncvrlpln2  40216  llncvrlpln  40217  2llnmj  40219  lplncmp  40221  lplnexatN  40222  lplnexllnN  40223  2llnm2N  40227  2llnm3N  40228  2llnm4  40229  2llnmeqat  40230  dalem21  40353  dalem54  40385  dalem55  40386  dalem57  40388  dalem60  40391  llnexchb2lem  40527  llnexchb2  40528  llnexch2N  40529
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