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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 9776 (which does not require ax-rep 5232) 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 9776 | . 2 ⊢ (𝐴 ∈ dom 𝑅1 → (𝑅1‘suc 𝐴) = 𝒫 (𝑅1‘𝐴)) | |
| 2 | r1fnon 9773 | . . . 4 ⊢ 𝑅1 Fn On | |
| 3 | 2 | fndmi 6643 | . . 3 ⊢ dom 𝑅1 = On |
| 4 | 3 | eqcomi 2770 | . 2 ⊢ On = dom 𝑅1 |
| 5 | 1, 4 | eleq2s 2879 | 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 2145 𝒫 cpw 4557 dom cdm 5651 Oncon0 6362 suc csuc 6364 ‘cfv 6538 𝑅1cr1 9766 |
| 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 2213 ax-ext 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7751 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 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 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-ov 7423 df-2nd 8002 df-frecs 8299 df-wrecs 8330 df-recs 8379 df-rdg 8418 df-r1 9768 |
| This theorem is used by: r1sdom 9781 r1sssuc 9790 tz9.12lem3 9796 rankval2 9827 rankpwi 9832 rankval2b 9835 r1wf 9841 elhf2 9910 0hf 9917 dfac12lem2 10223 dfac12r 10225 ackbij2lem2 10317 ackbij2lem3 10318 wunr1om 10804 r1wunlim 10822 tskr1om 10852 inar1 10860 inatsk 10863 grur1a 10904 grothomex 10914 r1ssel 35732 rankeq1o 36932 aomclem1 44055 grur1cld 45229 |
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