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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 9779 | . 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 |
| This proof depends on syntax axioms: ∈ wcel 2145 ∪ cuni 4870 “ cima 5662 Oncon0 6361 ‘cfv 6537 𝑅1cr1 9747 rankcrnk 9748 |
| 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 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7739 |
| 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 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3079 df-rex 3089 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-int 4911 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 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 7419 df-om 7866 df-2nd 7990 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-r1 9749 df-rank 9750 |
| This theorem is used by: rankr1ai 9783 rankr1bg 9788 rankr1clem 9805 rankr1c 9806 rankpwi 9808 rankelb 9809 wfelirr 9810 rankval3b 9811 ranksnb 9812 rankr1a 9821 bndrank 9826 unbndrank 9827 rankunb 9835 rankprb 9836 rankuni2b 9838 rankuni 9848 rankuniss 9851 rankval4 9852 rankbnd2 9854 rankc1 9855 rankc2 9856 rankelun 9857 rankelpr 9858 rankelop 9859 rankmapu 9863 rankxplim 9864 rankxplim3 9866 rankxpsuc 9867 tcrank 9869 scottex 9875 scottexOLD 9876 scott0b 9879 scott0OLD 9880 dfac12lem2 10150 hsmexlem5 10435 r1limwun 10748 wunex3 10753 rankcf 10789 grur1 10832 rankval4b 35594 nelscottrankgt 35619 rankscottu 35623 scottssr1 35624 onvf1odlem4 35690 elhf2 36742 hfuni 36751 dfac11 43890 gruex 45109 |
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