| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > unialeph | Structured version Visualization version GIF version | ||
| 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.) |
| Ref | Expression |
|---|---|
| unialeph | ⊢ ∪ ran ℵ = On |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | alephprc 10217 | . . . 4 ⊢ ¬ ran ℵ ∈ V | |
| 2 | uniexb 7810 | . . . 4 ⊢ (ran ℵ ∈ V ↔ ∪ ran ℵ ∈ V) | |
| 3 | 1, 2 | mtbi 325 | . . 3 ⊢ ¬ ∪ ran ℵ ∈ V |
| 4 | elex 3475 | . . 3 ⊢ (∪ ran ℵ ∈ On → ∪ ran ℵ ∈ V) | |
| 5 | 3, 4 | mto 200 | . 2 ⊢ ¬ ∪ ran ℵ ∈ On |
| 6 | alephsson 10218 | . . . 4 ⊢ ran ℵ ⊆ On | |
| 7 | ssorduni 7827 | . . . 4 ⊢ (ran ℵ ⊆ On → Ord ∪ ran ℵ) | |
| 8 | 6, 7 | ax-mp 5 | . . 3 ⊢ Ord ∪ ran ℵ |
| 9 | ordeleqon 7830 | . . 3 ⊢ (Ord ∪ ran ℵ ↔ (∪ ran ℵ ∈ On ∨ ∪ ran ℵ = On)) | |
| 10 | 8, 9 | mpbi 233 | . 2 ⊢ (∪ ran ℵ ∈ On ∨ ∪ ran ℵ = On) |
| 11 | 5, 10 | mtpor 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 |