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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 9764 | . 2 ⊢ rank:∪ (𝑅1 “ On)⟶On | |
| 2 | 0elon 6416 | . 2 ⊢ ∅ ∈ On | |
| 3 | 1, 2 | f0cli 7093 | 1 ⊢ (rank‘𝐴) ∈ On |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2142 ∪ cuni 4871 “ cima 5663 Oncon0 6360 ‘cfv 6536 𝑅1cr1 9732 rankcrnk 9733 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-sep 5256 ax-nul 5268 ax-pow 5335 ax-pr 5403 ax-un 7734 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1103 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-nf 1813 df-sb 2096 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 3369 df-rab 3416 df-v 3456 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-int 4912 df-iun 4957 df-br 5109 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5555 df-eprel 5560 df-po 5568 df-so 5569 df-fr 5613 df-we 5615 df-xp 5666 df-rel 5667 df-cnv 5668 df-co 5669 df-dm 5670 df-rn 5671 df-res 5672 df-ima 5673 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-ov 7415 df-om 7861 df-2nd 7985 df-frecs 8276 df-wrecs 8307 df-recs 8356 df-rdg 8395 df-r1 9734 df-rank 9735 |
| This theorem is used by: rankr1ai 9768 rankr1bg 9773 rankr1clem 9790 rankr1c 9791 rankpwi 9793 rankelb 9794 wfelirr 9795 rankval3b 9796 ranksnb 9797 rankr1a 9806 bndrank 9811 unbndrank 9812 rankunb 9820 rankprb 9821 rankuni2b 9823 rankuni 9833 rankuniss 9836 rankval4 9837 rankbnd2 9839 rankc1 9840 rankc2 9841 rankelun 9842 rankelpr 9843 rankelop 9844 rankmapu 9848 rankxplim 9849 rankxplim3 9851 rankxpsuc 9852 tcrank 9854 scottex 9860 scottexOLD 9861 scott0b 9864 scott0OLD 9865 dfac12lem2 10135 hsmexlem5 10420 r1limwun 10727 wunex3 10732 rankcf 10768 grur1 10811 rankval4b 35502 nelscottrankgt 35527 rankscottu 35531 scottssr1 35532 onvf1odlem4 35598 elhf2 36675 hfuni 36684 dfac11 43817 gruex 45036 |
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