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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 9826 | . 2 ⊢ rank:∪ (𝑅1 “ On)⟶On | |
| 2 | 0elon 6433 | . 2 ⊢ ∅ ∈ On | |
| 3 | 1, 2 | f0cli 7119 | 1 ⊢ (rank‘𝐴) ∈ On |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2147 ∪ cuni 4870 “ cima 5658 Oncon0 6377 ‘cfv 6555 𝑅1cr1 9790 rankcrnk 9791 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7772 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-int 4911 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6319 df-ord 6380 df-on 6381 df-lim 6382 df-suc 6383 df-iota 6509 df-fun 6557 df-fn 6558 df-f 6559 df-f1 6560 df-fo 6561 df-f1o 6562 df-fv 6563 df-ov 7443 df-om 7899 df-2nd 8023 df-frecs 8324 df-wrecs 8355 df-recs 8404 df-rdg 8443 df-r1 9792 df-rank 9793 |
| This theorem is used by: rankr1ai 9830 rankr1bg 9835 rankr1clem 9853 rankr1c 9854 rankpwi 9856 rankelb 9857 wfelirr 9858 rankval3b 9860 ranksnb 9861 rankr1a 9872 bndrank 9878 unbndrank 9879 rankunb 9888 rankprb 9889 rankuni2b 9891 rankuni 9903 rankval4b 9904 rankuniss 9907 rankval4 9908 rankbnd2 9910 rankc1 9911 rankc2 9912 rankelun 9913 rankelpr 9914 rankelop 9915 rankmapu 9919 rankxplim 9920 rankxplim3 9922 rankxpsuc 9923 tcrank 9925 elhf2 9934 hfuniOLD 9949 scottex 9957 scottexOLD 9958 scott0b 9961 scott0OLD 9962 dfac12lem2 10247 hsmexlem5 10532 r1limwun 10845 wunex3 10850 rankcf 10886 grur1 10929 rankse 35822 nelscottrankgt 35832 rankscottu 35838 scottssr1 35839 onvf1odlem4 36033 onprcf1acwevdlem2 36045 dfac11 44255 gruex 45472 |
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