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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 9766 | . 2 ⊢ rank:∪ (𝑅1 “ On)⟶On | |
| 2 | 0elon 6417 | . 2 ⊢ ∅ ∈ On | |
| 3 | 1, 2 | f0cli 7094 | 1 ⊢ (rank‘𝐴) ∈ On |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2149 ∪ cuni 4874 “ cima 5665 Oncon0 6361 ‘cfv 6537 𝑅1cr1 9734 rankcrnk 9735 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5259 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-ral 3086 df-rex 3096 df-reu 3376 df-rab 3423 df-v 3463 df-sbc 3752 df-csb 3860 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-pss 3931 df-nul 4293 df-if 4491 df-pw 4567 df-sn 4593 df-pr 4595 df-op 4599 df-uni 4875 df-int 4915 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5557 df-eprel 5562 df-po 5570 df-so 5571 df-fr 5615 df-we 5617 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-ov 7414 df-om 7863 df-2nd 7987 df-frecs 8278 df-wrecs 8309 df-recs 8358 df-rdg 8397 df-r1 9736 df-rank 9737 |
| This theorem is referenced by: rankr1ai 9770 rankr1bg 9775 rankr1clem 9792 rankr1c 9793 rankpwi 9795 rankelb 9796 wfelirr 9797 rankval3b 9798 ranksnb 9799 rankr1a 9808 bndrank 9813 unbndrank 9814 rankunb 9822 rankprb 9823 rankuni2b 9825 rankuni 9835 rankuniss 9838 rankval4 9839 rankbnd2 9841 rankc1 9842 rankc2 9843 rankelun 9844 rankelpr 9845 rankelop 9846 rankmapu 9850 rankxplim 9851 rankxplim3 9853 rankxpsuc 9854 tcrank 9856 scottex 9859 scott0 9860 dfac12lem2 10128 hsmexlem5 10414 r1limwun 10721 wunex3 10726 rankcf 10762 grur1 10805 rankval4b 35436 rankscottu 35456 scottssr1 35457 onvf1odlem4 35523 elhf2 36600 hfuni 36609 dfac11 43716 gruex 44935 |
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