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Theorem llnbase 36660
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 4299 . . . 4 (𝑋𝑁 → ¬ 𝑁 = ∅)
2 llnbase.n . . . . 5 𝑁 = (LLines‘𝐾)
32eqeq1i 2826 . . . 4 (𝑁 = ∅ ↔ (LLines‘𝐾) = ∅)
41, 3sylnib 330 . . 3 (𝑋𝑁 → ¬ (LLines‘𝐾) = ∅)
5 fvprc 6663 . . 3 𝐾 ∈ V → (LLines‘𝐾) = ∅)
64, 5nsyl2 143 . 2 (𝑋𝑁𝐾 ∈ V)
7 llnbase.b . . . 4 𝐵 = (Base‘𝐾)
8 eqid 2821 . . . 4 ( ⋖ ‘𝐾) = ( ⋖ ‘𝐾)
9 eqid 2821 . . . 4 (Atoms‘𝐾) = (Atoms‘𝐾)
107, 8, 9, 2islln 36657 . . 3 (𝐾 ∈ V → (𝑋𝑁 ↔ (𝑋𝐵 ∧ ∃𝑝 ∈ (Atoms‘𝐾)𝑝( ⋖ ‘𝐾)𝑋)))
1110simprbda 501 . 2 ((𝐾 ∈ V ∧ 𝑋𝑁) → 𝑋𝐵)
126, 11mpancom 686 1 (𝑋𝑁𝑋𝐵)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1537  wcel 2114  wrex 3139  Vcvv 3494  c0 4291   class class class wbr 5066  cfv 6355  Basecbs 16483  ccvr 36413  Atomscatm 36414  LLinesclln 36642
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 2793  ax-sep 5203  ax-nul 5210  ax-pow 5266  ax-pr 5330
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 2800  df-cleq 2814  df-clel 2893  df-nfc 2963  df-ral 3143  df-rex 3144  df-rab 3147  df-v 3496  df-sbc 3773  df-dif 3939  df-un 3941  df-in 3943  df-ss 3952  df-nul 4292  df-if 4468  df-sn 4568  df-pr 4570  df-op 4574  df-uni 4839  df-br 5067  df-opab 5129  df-mpt 5147  df-id 5460  df-xp 5561  df-rel 5562  df-cnv 5563  df-co 5564  df-dm 5565  df-iota 6314  df-fun 6357  df-fv 6363  df-llines 36649
This theorem is referenced by:  islln2  36662  llnnleat  36664  llnneat  36665  atcvrlln2  36670  llnexatN  36672  llncmp  36673  2llnmat  36675  islpln3  36684  llnmlplnN  36690  lplnle  36691  lplnnle2at  36692  llncvrlpln2  36708  llncvrlpln  36709  2llnmj  36711  lplncmp  36713  lplnexatN  36714  lplnexllnN  36715  2llnm2N  36719  2llnm3N  36720  2llnm4  36721  2llnmeqat  36722  dalem21  36845  dalem54  36877  dalem55  36878  dalem57  36880  dalem60  36883  llnexchb2lem  37019  llnexchb2  37020  llnexch2N  37021
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