MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  unialeph Structured version   Visualization version   GIF version

Theorem unialeph 10219
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 10217 . . . 4 ¬ ran ℵ ∈ V
2 uniexb 7810 . . . 4 (ran ℵ ∈ V ↔ ∪ ran ℵ ∈ V)
31, 2mtbi 325 . . 3 ¬ ∪ ran ℵ ∈ V
4 elex 3475 . . 3 (∪ ran ℵ ∈ On → ∪ ran ℵ ∈ V)
53, 4mto 200 . 2 ¬ ∪ ran ℵ ∈ On
6 alephsson 10218 . . . 4 ran ℵ ⊆ On
7 ssorduni 7827 . . . 4 (ran ℵ ⊆ On → Ord ∪ ran ℵ)
86, 7ax-mp 5 . . 3 Ord ∪ ran ℵ
9 ordeleqon 7830 . . 3 (Ord ∪ ran ℵ ↔ (∪ ran ℵ ∈ On ∨ ∪ ran ℵ = On))
108, 9mpbi 233 . 2 (∪ ran ℵ ∈ On ∨ ∪ ran ℵ = On)
115, 10mtpor 1803 1 ∪ ran ℵ = On
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   ∨ wo 861   = wceq 1570   ∈ wcel 2147  Vcvv 3454   ⊆ wss 3900  ∪ cuni 4872  ran crn 5659  Ord word 6387  Oncon0 6388  ℵcale 10054
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1945  ax-6 2002  ax-7 2043  ax-8 2149  ax-9 2157  ax-10 2180  ax-11 2197  ax-12 2216  ax-ext 2735  ax-rep 5238  ax-sep 5255  ax-nul 5266  ax-pow 5334  ax-pr 5398  ax-un 7783  ax-inf2 9679
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2102  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2839  df-nfc 2913  df-ne 2960  df-nel 3066  df-ral 3081  df-rex 3091  df-rmo 3369  df-reu 3370  df-rab 3417  df-v 3456  df-sbc 3743  df-csb 3852  df-ss 3901  df-pss 4017  df-dif 4050  df-in 4094  df-un 4154  df-nul 4282  df-if 4486  df-pw 4562  df-sn 4589  df-pr 4591  df-op 4841  df-uni 4873  df-int 4913  df-iun 4958  df-br 5109  df-opab 5174  df-mpt 5193  df-tr 5219  df-id 5553  df-eprel 5558  df-po 5566  df-so 5567  df-fr 5611  df-se 5612  df-we 5613  df-xp 5664  df-rel 5665  df-cnv 5666  df-co 5667  df-dm 5668  df-rn 5669  df-res 5670  df-ima 5671  df-pred 6330  df-ord 6391  df-on 6392  df-lim 6393  df-suc 6394  df-iota 6520  df-fun 6568  df-fn 6569  df-f 6570  df-f1 6571  df-fo 6572  df-f1o 6573  df-fv 6574  df-isom 6575  df-riota 7408  df-ov 7454  df-om 7912  df-2nd 8036  df-frecs 8337  df-wrecs 8368  df-recs 8417  df-rdg 8456  df-1o 8514  df-er 8755  df-en 9012  df-dom 9013  df-sdom 9014  df-fin 9015  df-oi 9541  df-har 9588  df-card 10057  df-aleph 10058
This theorem is used by: (None)
  Copyright terms: Public domain W3C validator