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Theorem llnbase 40001
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 4268 . . . 4 (𝑋𝑁 → ¬ 𝑁 = ∅)
2 llnbase.n . . . . 5 𝑁 = (LLines‘𝐾)
32eqeq1i 2744 . . . 4 (𝑁 = ∅ ↔ (LLines‘𝐾) = ∅)
41, 3sylnib 329 . . 3 (𝑋𝑁 → ¬ (LLines‘𝐾) = ∅)
5 fvprc 6819 . . 3 𝐾 ∈ V → (LLines‘𝐾) = ∅)
64, 5nsyl2 141 . 2 (𝑋𝑁𝐾 ∈ V)
7 llnbase.b . . . 4 𝐵 = (Base‘𝐾)
8 eqid 2739 . . . 4 ( ⋖ ‘𝐾) = ( ⋖ ‘𝐾)
9 eqid 2739 . . . 4 (Atoms‘𝐾) = (Atoms‘𝐾)
107, 8, 9, 2islln 39998 . . 3 (𝐾 ∈ V → (𝑋𝑁 ↔ (𝑋𝐵 ∧ ∃𝑝 ∈ (Atoms‘𝐾)𝑝( ⋖ ‘𝐾)𝑋)))
1110simprbda 499 . 2 ((𝐾 ∈ V ∧ 𝑋𝑁) → 𝑋𝐵)
126, 11mpancom 694 1 (𝑋𝑁𝑋𝐵)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1547  wcel 2119  wrex 3063  Vcvv 3431  c0 4261   class class class wbr 5072  cfv 6485  Basecbs 17170  ccvr 39754  Atomscatm 39755  LLinesclln 39983
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1802  ax-4 1816  ax-5 1917  ax-6 1974  ax-7 2015  ax-8 2121  ax-9 2129  ax-10 2152  ax-11 2168  ax-12 2189  ax-ext 2711  ax-sep 5218  ax-nul 5228  ax-pr 5362
This theorem depends on definitions:  df-bi 208  df-an 397  df-or 854  df-3an 1094  df-tru 1550  df-fal 1560  df-ex 1787  df-nf 1791  df-sb 2074  df-mo 2543  df-eu 2573  df-clab 2718  df-cleq 2731  df-clel 2814  df-nfc 2888  df-ne 2935  df-ral 3054  df-rex 3064  df-rab 3392  df-v 3433  df-dif 3886  df-un 3888  df-in 3890  df-ss 3900  df-nul 4262  df-if 4455  df-pw 4531  df-sn 4556  df-pr 4558  df-op 4562  df-uni 4839  df-br 5073  df-opab 5135  df-mpt 5154  df-id 5513  df-xp 5624  df-rel 5625  df-cnv 5626  df-co 5627  df-dm 5628  df-iota 6441  df-fun 6487  df-fv 6493  df-llines 39990
This theorem is referenced by:  islln2  40003  llnnleat  40005  llnneat  40006  atcvrlln2  40011  llnexatN  40013  llncmp  40014  2llnmat  40016  islpln3  40025  llnmlplnN  40031  lplnle  40032  lplnnle2at  40033  llncvrlpln2  40049  llncvrlpln  40050  2llnmj  40052  lplncmp  40054  lplnexatN  40055  lplnexllnN  40056  2llnm2N  40060  2llnm3N  40061  2llnm4  40062  2llnmeqat  40063  dalem21  40186  dalem54  40218  dalem55  40219  dalem57  40221  dalem60  40224  llnexchb2lem  40360  llnexchb2  40361  llnexch2N  40362
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