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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 9776 | . 2 ⊢ rank:∪ (𝑅1 “ On)⟶On | |
| 2 | 0elon 6408 | . 2 ⊢ ∅ ∈ On | |
| 3 | 1, 2 | f0cli 7087 | 1 ⊢ (rank‘𝐴) ∈ On |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2145 ∪ cuni 4867 “ cima 5651 Oncon0 6352 ‘cfv 6528 𝑅1cr1 9744 rankcrnk 9745 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7735 |
| 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 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 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 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5543 df-eprel 5548 df-po 5556 df-so 5557 df-fr 5601 df-we 5603 df-xp 5654 df-rel 5655 df-cnv 5656 df-co 5657 df-dm 5658 df-rn 5659 df-res 5660 df-ima 5661 df-pred 6294 df-ord 6355 df-on 6356 df-lim 6357 df-suc 6358 df-iota 6484 df-fun 6530 df-fn 6531 df-f 6532 df-f1 6533 df-fo 6534 df-f1o 6535 df-fv 6536 df-ov 7412 df-om 7862 df-2nd 7986 df-frecs 8278 df-wrecs 8309 df-recs 8358 df-rdg 8397 df-r1 9746 df-rank 9747 |
| This theorem is used by: rankr1ai 9780 rankr1bg 9785 rankr1clem 9802 rankr1c 9803 rankpwi 9805 rankelb 9806 wfelirr 9807 rankval3b 9808 ranksnb 9809 rankr1a 9818 bndrank 9824 unbndrank 9825 rankunb 9834 rankprb 9835 rankuni2b 9837 rankuni 9849 rankuniss 9852 rankval4 9853 rankbnd2 9855 rankc1 9856 rankc2 9857 rankelun 9858 rankelpr 9859 rankelop 9860 rankmapu 9864 rankxplim 9865 rankxplim3 9867 rankxpsuc 9868 tcrank 9870 elhf2 9875 hfuni 9883 scottex 9890 scottexOLD 9891 scott0b 9894 scott0OLD 9895 dfac12lem2 10180 hsmexlem5 10465 r1limwun 10778 wunex3 10783 rankcf 10819 grur1 10862 rankval4b 35648 nelscottrankgt 35673 rankscottu 35677 scottssr1 35678 onvf1odlem4 35804 dfac11 44001 gruex 45220 |
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