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| Mirrors > Home > MPE Home > Th. List > r1suc | Structured version Visualization version GIF version | ||
| Description: Value of the cumulative hierarchy of sets function at a successor ordinal. Use r1sucg 9783 (which does not require ax-rep 5231) when sufficient. Part of Definition 9.9 of [TakeutiZaring] p. 76. (Contributed by NM, 2-Sep-2003.) (Revised by Mario Carneiro, 10-Sep-2013.) |
| Ref | Expression |
|---|---|
| r1suc | ⊢ (𝐴 ∈ On → (𝑅1‘suc 𝐴) = 𝒫 (𝑅1‘𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | r1sucg 9783 | . 2 ⊢ (𝐴 ∈ dom 𝑅1 → (𝑅1‘suc 𝐴) = 𝒫 (𝑅1‘𝐴)) | |
| 2 | r1fnon 9780 | . . . 4 ⊢ 𝑅1 Fn On | |
| 3 | 2 | fndmi 6648 | . . 3 ⊢ dom 𝑅1 = On |
| 4 | 3 | eqcomi 2769 | . 2 ⊢ On = dom 𝑅1 |
| 5 | 1, 4 | eleq2s 2878 | 1 ⊢ (𝐴 ∈ On → (𝑅1‘suc 𝐴) = 𝒫 (𝑅1‘𝐴)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∈ wcel 2144 𝒫 cpw 4556 dom cdm 5651 Oncon0 6365 suc csuc 6367 ‘cfv 6543 𝑅1cr1 9773 |
| 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-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5327 ax-pr 5391 ax-un 7755 |
| 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 3848 df-ss 3897 df-pss 4013 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6307 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6497 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-ov 7427 df-2nd 8006 df-frecs 8307 df-wrecs 8338 df-recs 8387 df-rdg 8426 df-r1 9775 |
| This theorem is used by: r1sdom 9788 r1sssuc 9797 tz9.12lem3 9803 rankval2 9834 rankpwi 9839 rankval2b 9842 r1wf 9848 elhf2 9917 0hf 9924 dfac12lem2 10230 dfac12r 10232 ackbij2lem2 10324 ackbij2lem3 10325 wunr1om 10811 r1wunlim 10829 tskr1om 10859 inar1 10867 inatsk 10870 grur1a 10911 grothomex 10921 r1ssel 35790 rankeq1o 37056 aomclem1 44193 grur1cld 45367 |
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