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Theorem unialeph 10098
Description: The union of the class of transfinite cardinals (the range of the aleph function) is the class of ordinal numbers. (Contributed by NM, 11-Nov-2003.)
Assertion
Ref Expression
unialeph ran ℵ = On

Proof of Theorem unialeph
StepHypRef Expression
1 alephprc 10096 . . . 4 ¬ ran ℵ ∈ V
2 uniexb 7748 . . . 4 (ran ℵ ∈ V ↔ ran ℵ ∈ V)
31, 2mtbi 322 . . 3 ¬ ran ℵ ∈ V
4 elex 3487 . . 3 ( ran ℵ ∈ On → ran ℵ ∈ V)
53, 4mto 196 . 2 ¬ ran ℵ ∈ On
6 alephsson 10097 . . . 4 ran ℵ ⊆ On
7 ssorduni 7763 . . . 4 (ran ℵ ⊆ On → Ord ran ℵ)
86, 7ax-mp 5 . . 3 Ord ran ℵ
9 ordeleqon 7766 . . 3 (Ord ran ℵ ↔ ( ran ℵ ∈ On ∨ ran ℵ = On))
108, 9mpbi 229 . 2 ( ran ℵ ∈ On ∨ ran ℵ = On)
115, 10mtpor 1764 1 ran ℵ = On
Colors of variables: wff setvar class
Syntax hints:  wo 844   = wceq 1533  wcel 2098  Vcvv 3468  wss 3943   cuni 4902  ran crn 5670  Ord word 6357  Oncon0 6358  cale 9933
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1789  ax-4 1803  ax-5 1905  ax-6 1963  ax-7 2003  ax-8 2100  ax-9 2108  ax-10 2129  ax-11 2146  ax-12 2163  ax-ext 2697  ax-rep 5278  ax-sep 5292  ax-nul 5299  ax-pow 5356  ax-pr 5420  ax-un 7722  ax-inf2 9638
This theorem depends on definitions:  df-bi 206  df-an 396  df-or 845  df-3or 1085  df-3an 1086  df-tru 1536  df-fal 1546  df-ex 1774  df-nf 1778  df-sb 2060  df-mo 2528  df-eu 2557  df-clab 2704  df-cleq 2718  df-clel 2804  df-nfc 2879  df-ne 2935  df-nel 3041  df-ral 3056  df-rex 3065  df-rmo 3370  df-reu 3371  df-rab 3427  df-v 3470  df-sbc 3773  df-csb 3889  df-dif 3946  df-un 3948  df-in 3950  df-ss 3960  df-pss 3962  df-nul 4318  df-if 4524  df-pw 4599  df-sn 4624  df-pr 4626  df-op 4630  df-uni 4903  df-int 4944  df-iun 4992  df-br 5142  df-opab 5204  df-mpt 5225  df-tr 5259  df-id 5567  df-eprel 5573  df-po 5581  df-so 5582  df-fr 5624  df-se 5625  df-we 5626  df-xp 5675  df-rel 5676  df-cnv 5677  df-co 5678  df-dm 5679  df-rn 5680  df-res 5681  df-ima 5682  df-pred 6294  df-ord 6361  df-on 6362  df-lim 6363  df-suc 6364  df-iota 6489  df-fun 6539  df-fn 6540  df-f 6541  df-f1 6542  df-fo 6543  df-f1o 6544  df-fv 6545  df-isom 6546  df-riota 7361  df-ov 7408  df-om 7853  df-2nd 7975  df-frecs 8267  df-wrecs 8298  df-recs 8372  df-rdg 8411  df-1o 8467  df-er 8705  df-en 8942  df-dom 8943  df-sdom 8944  df-fin 8945  df-oi 9507  df-har 9554  df-card 9936  df-aleph 9937
This theorem is referenced by: (None)
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