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Theorem 0ellim 6422
Description: A limit ordinal contains the empty set. (Contributed by NM, 15-May-1994.)
Assertion
Ref Expression
0ellim (Lim 𝐴 → ∅ ∈ 𝐴)

Proof of Theorem 0ellim
StepHypRef Expression
1 dflim2 6416 . 2 (Lim 𝐴 ↔ (Ord 𝐴 ∧ ∅ ∈ 𝐴𝐴 = 𝐴))
21simp2bi 1162 1 (Lim 𝐴 → ∅ ∈ 𝐴)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1567  wcel 2149  c0 4294   cuni 4873  Ord word 6356  Lim wlim 6358
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-ext 2741  ax-sep 5258  ax-pr 5402
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3or 1102  df-3an 1103  df-tru 1570  df-fal 1580  df-ex 1807  df-sb 2098  df-clab 2748  df-cleq 2761  df-clel 2844  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-pss 3933  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-tr 5220  df-eprel 5559  df-po 5567  df-so 5568  df-fr 5612  df-we 5614  df-ord 6360  df-lim 6362
This theorem is referenced by:  limuni3  7844  peano1  7881  oe1m  8526  oalimcl  8541  oaass  8542  oarec  8543  omlimcl  8559  odi  8560  oen0  8568  oewordri  8574  oelim2  8577  oeoalem  8578  oeoelem  8580  limensuci  9137  rankxplim2  9848  rankxplim3  9849  r1limwun  10717  constr01  34073  r11  35426  rankfilimbi  35433  omlimcl2  43854  oe0suclim  43889
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