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| Description: Membership in a power class. Theorem 86 of [Suppes] p. 47. |
| Ref | Expression |
|---|---|
| elpw.1 |
|
| Ref | Expression |
|---|---|
| elpw |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elpw.1 |
. 2
| |
| 2 | eleq1 1537 |
. 2
| |
| 3 | sseq1 2085 |
. 2
| |
| 4 | df-pw 2406 |
. . 3
| |
| 5 | 4 | abeq2i 1573 |
. 2
|
| 6 | 1, 2, 3, 5 | vtoclb 1848 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: elpwg 2409 hbpw 2411 pwid 2412 prsspw 2484 pwv 2506 iinpw 2622 iunpwss 2623 dftr4 2690 0elpw 2741 abssexg 2753 snelpw 2758 sspwb 2761 unipw 2762 pwuni 2763 ssextss 2768 pwin 2831 pwunss 2832 pwssun 2833 pwundif 2834 iunpw 2920 ordpwsuc 3072 xpsspw 3263 fabexg 3659 abexssex 3878 canth 3913 mapval2 4341 pw2en 4452 ssenen 4510 inf3lem6 4627 setind2 4659 r1tr 4664 tz9.12lem3 4671 rankel 4690 rankval3 4691 rankpw 4694 numthlem 4793 ioof 6401 iccf 6402 infxpidmlem9 7561 infmap2lem2 7582 tgval2t 7616 tgss3t 7637 basgent 7639 distop 7646 ntrfval 7664 clsfval 7665 ntrval 7673 clsval 7674 neifval 7711 neif 7712 neival 7714 lpfval 7739 lpval 7740 islp2 7744 lmfval 7922 iscau 7933 sspval 8378 ubthlem6 8530 abfi 10443 ficli 10462 fiv 10470 qusp 10541 fgsb 10555 fgsb2 10560 sfvlim 10576 blkssatm 10738 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 964 ax-gen 965 ax-8 966 ax-10 968 ax-12 970 ax-17 973 ax-4 975 ax-5o 977 ax-6o 980 ax-9o 1125 ax-10o 1142 ax-16 1212 ax-11o 1220 ax-ext 1462 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 983 df-sb 1174 df-clab 1467 df-cleq 1472 df-clel 1475 df-v 1815 df-in 2054 df-ss 2056 df-pw 2406 |