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| Mirrors > Home > MPE Home > Th. List > rankon | Structured version Visualization version GIF version | ||
| Description: The rank of a set is an ordinal number. Proposition 9.15(1) of [TakeutiZaring] p. 79. (Contributed by NM, 5-Oct-2003.) (Revised by Mario Carneiro, 12-Sep-2013.) |
| Ref | Expression |
|---|---|
| rankon | ⊢ (rank‘𝐴) ∈ On |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rankf 9754 | . 2 ⊢ rank:∪ (𝑅1 “ On)⟶On | |
| 2 | 0elon 6403 | . 2 ⊢ ∅ ∈ On | |
| 3 | 1, 2 | f0cli 7081 | 1 ⊢ (rank‘𝐴) ∈ On |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2144 ∪ cuni 4867 “ cima 5652 Oncon0 6348 ‘cfv 6523 𝑅1cr1 9722 rankcrnk 9723 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2214 ax-ext 2736 ax-sep 5248 ax-nul 5258 ax-pow 5324 ax-pr 5392 ax-un 7720 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1100 df-3an 1101 df-tru 1565 df-fal 1575 df-ex 1802 df-nf 1806 df-sb 2093 df-mo 2568 df-eu 2598 df-clab 2743 df-cleq 2756 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3079 df-rex 3089 df-reu 3370 df-rab 3417 df-v 3458 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4288 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-int 4908 df-iun 4953 df-br 5103 df-opab 5165 df-mpt 5184 df-tr 5210 df-id 5544 df-eprel 5549 df-po 5557 df-so 5558 df-fr 5602 df-we 5604 df-xp 5655 df-rel 5656 df-cnv 5657 df-co 5658 df-dm 5659 df-rn 5660 df-res 5661 df-ima 5662 df-pred 6290 df-ord 6351 df-on 6352 df-lim 6353 df-suc 6354 df-iota 6479 df-fun 6525 df-fn 6526 df-f 6527 df-f1 6528 df-fo 6529 df-f1o 6530 df-fv 6531 df-ov 7401 df-om 7849 df-2nd 7973 df-frecs 8264 df-wrecs 8295 df-recs 8344 df-rdg 8383 df-r1 9724 df-rank 9725 |
| This theorem is referenced by: rankr1ai 9758 rankr1bg 9763 rankr1clem 9780 rankr1c 9781 rankpwi 9783 rankelb 9784 wfelirr 9785 rankval3b 9786 ranksnb 9787 rankr1a 9796 bndrank 9801 unbndrank 9802 rankunb 9810 rankprb 9811 rankuni2b 9813 rankuni 9823 rankuniss 9826 rankval4 9827 rankbnd2 9829 rankc1 9830 rankc2 9831 rankelun 9832 rankelpr 9833 rankelop 9834 rankmapu 9838 rankxplim 9839 rankxplim3 9841 rankxpsuc 9842 tcrank 9844 scottex 9845 scott0 9846 dfac12lem2 10103 hsmexlem5 10389 r1limwun 10696 wunex3 10701 rankcf 10737 grur1 10780 rankval4b 35400 onvf1odlem4 35453 elhf2 36530 hfuni 36539 dfac11 43644 gruex 44879 |
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