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Theorem islln4 38378
Description: The predicate "is a lattice line". (Contributed by NM, 16-Jun-2012.)
Hypotheses
Ref Expression
llnset.b 𝐡 = (Baseβ€˜πΎ)
llnset.c 𝐢 = ( β‹– β€˜πΎ)
llnset.a 𝐴 = (Atomsβ€˜πΎ)
llnset.n 𝑁 = (LLinesβ€˜πΎ)
Assertion
Ref Expression
islln4 ((𝐾 ∈ 𝐷 ∧ 𝑋 ∈ 𝐡) β†’ (𝑋 ∈ 𝑁 ↔ βˆƒπ‘ ∈ 𝐴 𝑝𝐢𝑋))
Distinct variable groups:   𝐴,𝑝   𝐾,𝑝   𝑋,𝑝
Allowed substitution hints:   𝐡(𝑝)   𝐢(𝑝)   𝐷(𝑝)   𝑁(𝑝)

Proof of Theorem islln4
StepHypRef Expression
1 llnset.b . . 3 𝐡 = (Baseβ€˜πΎ)
2 llnset.c . . 3 𝐢 = ( β‹– β€˜πΎ)
3 llnset.a . . 3 𝐴 = (Atomsβ€˜πΎ)
4 llnset.n . . 3 𝑁 = (LLinesβ€˜πΎ)
51, 2, 3, 4islln 38377 . 2 (𝐾 ∈ 𝐷 β†’ (𝑋 ∈ 𝑁 ↔ (𝑋 ∈ 𝐡 ∧ βˆƒπ‘ ∈ 𝐴 𝑝𝐢𝑋)))
65baibd 541 1 ((𝐾 ∈ 𝐷 ∧ 𝑋 ∈ 𝐡) β†’ (𝑋 ∈ 𝑁 ↔ βˆƒπ‘ ∈ 𝐴 𝑝𝐢𝑋))
Colors of variables: wff setvar class
Syntax hints:   β†’ wi 4   ↔ wb 205   ∧ wa 397   = wceq 1542   ∈ wcel 2107  βˆƒwrex 3071   class class class wbr 5149  β€˜cfv 6544  Basecbs 17144   β‹– ccvr 38132  Atomscatm 38133  LLinesclln 38362
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1914  ax-6 1972  ax-7 2012  ax-8 2109  ax-9 2117  ax-10 2138  ax-11 2155  ax-12 2172  ax-ext 2704  ax-sep 5300  ax-nul 5307  ax-pr 5428
This theorem depends on definitions:  df-bi 206  df-an 398  df-or 847  df-3an 1090  df-tru 1545  df-fal 1555  df-ex 1783  df-nf 1787  df-sb 2069  df-mo 2535  df-eu 2564  df-clab 2711  df-cleq 2725  df-clel 2811  df-nfc 2886  df-ne 2942  df-ral 3063  df-rex 3072  df-rab 3434  df-v 3477  df-dif 3952  df-un 3954  df-in 3956  df-ss 3966  df-nul 4324  df-if 4530  df-sn 4630  df-pr 4632  df-op 4636  df-uni 4910  df-br 5150  df-opab 5212  df-mpt 5233  df-id 5575  df-xp 5683  df-rel 5684  df-cnv 5685  df-co 5686  df-dm 5687  df-iota 6496  df-fun 6546  df-fv 6552  df-llines 38369
This theorem is referenced by:  islln3  38381  llncmp  38393
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