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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 9720 | . 2 ⊢ rank:∪ (𝑅1 “ On)⟶On | |
| 2 | 0elon 6382 | . 2 ⊢ ∅ ∈ On | |
| 3 | 1, 2 | f0cli 7054 | 1 ⊢ (rank‘𝐴) ∈ On |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2114 ∪ cuni 4865 “ cima 5637 Oncon0 6327 ‘cfv 6502 𝑅1cr1 9688 rankcrnk 9689 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5245 ax-nul 5255 ax-pow 5314 ax-pr 5381 ax-un 7692 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-int 4905 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5529 df-eprel 5534 df-po 5542 df-so 5543 df-fr 5587 df-we 5589 df-xp 5640 df-rel 5641 df-cnv 5642 df-co 5643 df-dm 5644 df-rn 5645 df-res 5646 df-ima 5647 df-pred 6269 df-ord 6330 df-on 6331 df-lim 6332 df-suc 6333 df-iota 6458 df-fun 6504 df-fn 6505 df-f 6506 df-f1 6507 df-fo 6508 df-f1o 6509 df-fv 6510 df-ov 7373 df-om 7821 df-2nd 7946 df-frecs 8235 df-wrecs 8266 df-recs 8315 df-rdg 8353 df-r1 9690 df-rank 9691 |
| This theorem is referenced by: rankr1ai 9724 rankr1bg 9729 rankr1clem 9746 rankr1c 9747 rankpwi 9749 rankelb 9750 wfelirr 9751 rankval3b 9752 ranksnb 9753 rankr1a 9762 bndrank 9767 unbndrank 9768 rankunb 9776 rankprb 9777 rankuni2b 9779 rankuni 9789 rankuniss 9792 rankval4 9793 rankbnd2 9795 rankc1 9796 rankc2 9797 rankelun 9798 rankelpr 9799 rankelop 9800 rankmapu 9804 rankxplim 9805 rankxplim3 9807 rankxpsuc 9808 tcrank 9810 scottex 9811 scott0 9812 dfac12lem2 10069 hsmexlem5 10354 r1limwun 10661 wunex3 10666 rankcf 10702 grur1 10745 rankval4b 35283 onvf1odlem4 35328 elhf2 36397 hfuni 36406 dfac11 43448 gruex 44683 |
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