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| Description: Scott's trick collects all sets that have a certain property and are of smallest possible rank. This theorem shows that the resulting collection, expressed as in Equation 9.3 of [Jech] p. 72, is a set. |
| Ref | Expression |
|---|---|
| scottex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0ex 2701 |
. . . 4
| |
| 2 | eleq1 1526 |
. . . 4
| |
| 3 | 1, 2 | mpbiri 194 |
. . 3
|
| 4 | rabexg 2714 |
. . 3
| |
| 5 | 3, 4 | syl 10 |
. 2
|
| 6 | n0 2279 |
. . 3
| |
| 7 | hbra1 1679 |
. . . . . 6
| |
| 8 | ax-17 968 |
. . . . . 6
| |
| 9 | 7, 8 | hbrab 1765 |
. . . . 5
|
| 10 | ax-17 968 |
. . . . 5
| |
| 11 | 9, 10 | hbel 1558 |
. . . 4
|
| 12 | ra4 1686 |
. . . . . . . . 9
| |
| 13 | 12 | com12 11 |
. . . . . . . 8
|
| 14 | 13 | a1d 12 |
. . . . . . 7
|
| 15 | 14 | r19.21aiv 1705 |
. . . . . 6
|
| 16 | ss2rab 2113 |
. . . . . 6
| |
| 17 | 15, 16 | sylibr 200 |
. . . . 5
|
| 18 | rankon 4643 |
. . . . . . . 8
| |
| 19 | fveq2 3709 |
. . . . . . . . . . . 12
| |
| 20 | 19 | sseq1d 2078 |
. . . . . . . . . . 11
|
| 21 | 20 | elrab 1896 |
. . . . . . . . . 10
|
| 22 | 21 | pm3.27bi 326 |
. . . . . . . . 9
|
| 23 | 22 | rgen 1690 |
. . . . . . . 8
|
| 24 | sseq2 2073 |
. . . . . . . . . 10
| |
| 25 | 24 | ralbidv 1655 |
. . . . . . . . 9
|
| 26 | 25 | rcla4ev 1868 |
. . . . . . . 8
|
| 27 | 18, 23, 26 | mp2an 695 |
. . . . . . 7
|
| 28 | bndrank 4654 |
. . . . . . 7
| |
| 29 | 27, 28 | ax-mp 7 |
. . . . . 6
|
| 30 | 29 | ssex 2709 |
. . . . 5
|
| 31 | 17, 30 | syl 10 |
. . . 4
|
| 32 | 11, 31 | 19.23ai 1060 |
. . 3
|
| 33 | 6, 32 | sylbi 199 |
. 2
|
| 34 | 5, 33 | pm2.61i 126 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: scottexs 4690 cplem2 4693 kardex 4697 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 959 ax-gen 960 ax-8 961 ax-9 962 ax-10 963 ax-11 964 ax-12 965 ax-13 966 ax-14 967 ax-17 968 ax-4 970 ax-5o 972 ax-6o 975 ax-9o 1119 ax-10o 1136 ax-16 1206 ax-11o 1213 ax-ext 1452 ax-rep 2683 ax-sep 2693 ax-nul 2700 ax-pow 2732 ax-pr 2769 ax-un 2857 ax-reg 4565 ax-inf2 4597 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 774 df-3an 775 df-ex 978 df-sb 1168 df-eu 1375 df-mo 1376 df-clab 1457 df-cleq 1462 df-clel 1465 df-ne 1579 df-ral 1641 df-rex 1642 df-rab 1644 df-v 1803 df-sbc 1932 df-dif 2039 df-un 2040 df-in 2041 df-ss 2043 df-nul 2271 df-if 2352 df-pw 2392 df-sn 2402 df-pr 2403 df-tp 2405 df-op 2406 df-uni 2494 df-int 2524 df-iun 2558 df-br 2610 df-opab 2657 df-tr 2671 df-eprel 2821 df-id 2824 df-po 2831 df-so 2841 df-fr 2907 df-we 2924 df-ord 2941 df-on 2942 df-lim 2943 df-suc 2944 df-om 3122 df-xp 3174 df-rel 3175 df-cnv 3176 df-co 3177 df-dm 3178 df-rn 3179 df-res 3180 df-ima 3181 df-fun 3182 df-fn 3183 df-fv 3188 df-rdg 3917 df-r1 4615 df-rank 4616 |