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Theorem dalemcceb 40313
Description: Lemma for dath 40360. Frequently-used utility lemma. (Contributed by NM, 15-Aug-2012.)
Hypotheses
Ref Expression
da.ps0 (𝜓 ↔ ((𝑐𝐴𝑑𝐴) ∧ ¬ 𝑐 𝑌 ∧ (𝑑𝑐 ∧ ¬ 𝑑 𝑌𝐶 (𝑐 𝑑))))
da.a1 𝐴 = (Atoms‘𝐾)
Assertion
Ref Expression
dalemcceb (𝜓𝑐 ∈ (Base‘𝐾))

Proof of Theorem dalemcceb
StepHypRef Expression
1 da.ps0 . . 3 (𝜓 ↔ ((𝑐𝐴𝑑𝐴) ∧ ¬ 𝑐 𝑌 ∧ (𝑑𝑐 ∧ ¬ 𝑑 𝑌𝐶 (𝑐 𝑑))))
21dalemccea 40307 . 2 (𝜓𝑐𝐴)
3 eqid 2762 . . 3 (Base‘𝐾) = (Base‘𝐾)
4 da.a1 . . 3 𝐴 = (Atoms‘𝐾)
53, 4atbase 39913 . 2 (𝑐𝐴𝑐 ∈ (Base‘𝐾))
62, 5syl 17 1 (𝜓𝑐 ∈ (Base‘𝐾))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 208  wa 399  w3a 1098   = wceq 1560  wcel 2142  wne 2957   class class class wbr 5100  cfv 6521  (class class class)co 7396  Basecbs 17245  Atomscatm 39887
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1815  ax-4 1829  ax-5 1930  ax-6 1987  ax-7 2028  ax-8 2144  ax-9 2152  ax-10 2175  ax-11 2191  ax-12 2212  ax-ext 2734  ax-sep 5246  ax-nul 5256  ax-pr 5390
This theorem depends on definitions:  df-bi 209  df-an 400  df-or 859  df-3an 1100  df-tru 1563  df-fal 1573  df-ex 1800  df-nf 1804  df-sb 2091  df-mo 2566  df-eu 2596  df-clab 2741  df-cleq 2754  df-clel 2837  df-nfc 2911  df-ne 2958  df-ral 3077  df-rex 3087  df-rab 3415  df-v 3456  df-dif 3907  df-un 3909  df-in 3911  df-ss 3921  df-nul 4286  df-if 4481  df-pw 4557  df-sn 4583  df-pr 4585  df-op 4589  df-uni 4866  df-br 5101  df-opab 5163  df-mpt 5182  df-id 5542  df-xp 5653  df-rel 5654  df-cnv 5655  df-co 5656  df-dm 5657  df-iota 6477  df-fun 6523  df-fv 6529  df-ats 39891
This theorem is referenced by:  dalem21  40318  dalem25  40322  dalem38  40334  dalem39  40335  dalem44  40340  dalem45  40341  dalem48  40344  dalem52  40348
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