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| 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 10071 | . . . 4 ⊢ ¬ ran ℵ ∈ V | |
| 2 | uniexb 7751 | . . . 4 ⊢ (ran ℵ ∈ V ↔ ∪ ran ℵ ∈ V) | |
| 3 | 1, 2 | mtbi 325 | . . 3 ⊢ ¬ ∪ ran ℵ ∈ V |
| 4 | elex 3478 | . . 3 ⊢ (∪ ran ℵ ∈ On → ∪ ran ℵ ∈ V) | |
| 5 | 3, 4 | mto 200 | . 2 ⊢ ¬ ∪ ran ℵ ∈ On |
| 6 | alephsson 10072 | . . . 4 ⊢ ran ℵ ⊆ On | |
| 7 | ssorduni 7766 | . . . 4 ⊢ (ran ℵ ⊆ On → Ord ∪ ran ℵ) | |
| 8 | 6, 7 | ax-mp 5 | . . 3 ⊢ Ord ∪ ran ℵ |
| 9 | ordeleqon 7769 | . . 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 1793 | 1 ⊢ ∪ ran ℵ = On |
| Colors of variables: wff setvar class |
| Syntax hints: ∨ wo 860 = wceq 1563 ∈ wcel 2145 Vcvv 3457 ⊆ wss 3907 ∪ cuni 4867 ran crn 5652 Ord word 6348 Oncon0 6349 ℵcale 9910 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-rep 5231 ax-sep 5250 ax-nul 5260 ax-pow 5326 ax-pr 5394 ax-un 7722 ax-inf2 9598 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3370 df-reu 3371 df-rab 3418 df-v 3459 df-sbc 3748 df-csb 3856 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-pss 3927 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4868 df-int 4908 df-iun 4953 df-br 5105 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-se 5605 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6291 df-ord 6352 df-on 6353 df-lim 6354 df-suc 6355 df-iota 6481 df-fun 6527 df-fn 6528 df-f 6529 df-f1 6530 df-fo 6531 df-f1o 6532 df-fv 6533 df-isom 6534 df-riota 7357 df-ov 7403 df-om 7851 df-2nd 7975 df-frecs 8266 df-wrecs 8297 df-recs 8346 df-rdg 8385 df-1o 8441 df-er 8682 df-en 8932 df-dom 8933 df-sdom 8934 df-fin 8935 df-oi 9460 df-har 9507 df-card 9913 df-aleph 9914 |
| This theorem is referenced by: (None) |
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