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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 9802 | . 2 ⊢ rank:∪ (𝑅1 “ On)⟶On | |
| 2 | 0elon 6418 | . 2 ⊢ ∅ ∈ On | |
| 3 | 1, 2 | f0cli 7098 | 1 ⊢ (rank‘𝐴) ∈ On |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2144 ∪ cuni 4866 “ cima 5653 Oncon0 6362 ‘cfv 6538 𝑅1cr1 9766 rankcrnk 9767 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 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 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-int 4907 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-ov 7423 df-om 7878 df-2nd 8002 df-frecs 8299 df-wrecs 8330 df-recs 8379 df-rdg 8418 df-r1 9768 df-rank 9769 |
| This theorem is used by: rankr1ai 9806 rankr1bg 9811 rankr1clem 9829 rankr1c 9830 rankpwi 9832 rankelb 9833 wfelirr 9834 rankval3b 9836 ranksnb 9837 rankr1a 9848 bndrank 9854 unbndrank 9855 rankunb 9864 rankprb 9865 rankuni2b 9867 rankuni 9879 rankval4b 9880 rankuniss 9883 rankval4 9884 rankbnd2 9886 rankc1 9887 rankc2 9888 rankelun 9889 rankelpr 9890 rankelop 9891 rankmapu 9895 rankxplim 9896 rankxplim3 9898 rankxpsuc 9899 tcrank 9901 elhf2 9910 hfuniOLD 9925 scottex 9933 scottexOLD 9934 scott0b 9937 scott0OLD 9938 dfac12lem2 10223 hsmexlem5 10508 r1limwun 10821 wunex3 10826 rankcf 10862 grur1 10905 nelscottrankgt 35749 rankscottu 35753 scottssr1 35754 onvf1odlem4 35885 onprcf1acwevdlem2 35896 dfac11 44064 gruex 45282 |
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