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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 9813 (which does not require ax-rep 5238) 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 9813 | . 2 ⊢ (𝐴 ∈ dom 𝑅1 → (𝑅1‘suc 𝐴) = 𝒫 (𝑅1‘𝐴)) | |
| 2 | r1fnon 9810 | . . . 4 ⊢ 𝑅1 Fn On | |
| 3 | 2 | fndmi 6673 | . . 3 ⊢ dom 𝑅1 = On |
| 4 | 3 | eqcomi 2772 | . 2 ⊢ On = dom 𝑅1 |
| 5 | 1, 4 | eleq2s 2882 | 1 ⊢ (𝐴 ∈ On → (𝑅1‘suc 𝐴) = 𝒫 (𝑅1‘𝐴)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2147 𝒫 cpw 4560 dom cdm 5658 Oncon0 6388 suc csuc 6390 ‘cfv 6566 𝑅1cr1 9803 |
| 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-rep 5238 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 |
| 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 4841 df-uni 4873 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-we 5613 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-pred 6330 df-ord 6391 df-on 6392 df-lim 6393 df-suc 6394 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-ov 7454 df-2nd 8036 df-frecs 8337 df-wrecs 8368 df-recs 8417 df-rdg 8456 df-r1 9805 |
| This theorem is used by: r1sdom 9818 r1sssuc 9827 tz9.12lem3 9833 rankval2 9864 rankpwi 9869 rankval2b 9872 r1wf 9878 elhf2 9947 0hf 9954 dfac12lem2 10262 dfac12r 10264 ackbij2lem2 10356 ackbij2lem3 10357 wunr1om 10843 r1wunlim 10861 tskr1om 10891 inar1 10899 inatsk 10902 grur1a 10943 grothomex 10953 r1ssel 35855 rankeq1o 37147 aomclem1 44322 grur1cld 45491 |
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