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| Description: Axiom of Replacement, reproved from conditionless ZFC axioms. |
| Ref | Expression |
|---|---|
| zfcndrep |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hbe1 1016 |
. . . . . 6
| |
| 2 | ax-17 971 |
. . . . . . . 8
| |
| 3 | ax-17 971 |
. . . . . . . . . 10
| |
| 4 | hba1 1003 |
. . . . . . . . . 10
| |
| 5 | 3, 4 | hban 1009 |
. . . . . . . . 9
|
| 6 | 5 | hbex 1006 |
. . . . . . . 8
|
| 7 | 2, 6 | hbbi 1010 |
. . . . . . 7
|
| 8 | 7 | hbal 1005 |
. . . . . 6
|
| 9 | 1, 8 | hbim 1007 |
. . . . 5
|
| 10 | 9 | hbex 1006 |
. . . 4
|
| 11 | elequ2 1137 |
. . . . . . . . . 10
| |
| 12 | 11 | anbi1d 617 |
. . . . . . . . 9
|
| 13 | 12 | exbidv 1279 |
. . . . . . . 8
|
| 14 | 13 | bibi2d 618 |
. . . . . . 7
|
| 15 | 14 | albidv 1278 |
. . . . . 6
|
| 16 | 15 | imbi2d 612 |
. . . . 5
|
| 17 | 16 | exbidv 1279 |
. . . 4
|
| 18 | axrepnd 4946 |
. . . . 5
| |
| 19 | 2 | 19.3 1031 |
. . . . . . . . 9
|
| 20 | ax-17 971 |
. . . . . . . . . . . 12
| |
| 21 | 20 | 19.3 1031 |
. . . . . . . . . . 11
|
| 22 | 21 | anbi1i 481 |
. . . . . . . . . 10
|
| 23 | 22 | exbii 1051 |
. . . . . . . . 9
|
| 24 | 19, 23 | bibi12i 610 |
. . . . . . . 8
|
| 25 | 24 | albii 999 |
. . . . . . 7
|
| 26 | 25 | imbi2i 185 |
. . . . . 6
|
| 27 | 26 | exbii 1051 |
. . . . 5
|
| 28 | 18, 27 | mpbi 189 |
. . . 4
|
| 29 | 10, 17, 28 | chvar 1167 |
. . 3
|
| 30 | 29 | 19.35i 1076 |
. 2
|
| 31 | ax-17 971 |
. . . . 5
| |
| 32 | hbe1 1016 |
. . . . 5
| |
| 33 | 31, 32 | hbbi 1010 |
. . . 4
|
| 34 | 33 | hbal 1005 |
. . 3
|
| 35 | elequ2 1137 |
. . . . 5
| |
| 36 | hba1 1003 |
. . . . . . . . 9
| |
| 37 | 36 | 19.3 1031 |
. . . . . . . 8
|
| 38 | 37 | anbi2i 480 |
. . . . . . 7
|
| 39 | 38 | exbii 1051 |
. . . . . 6
|
| 40 | 39 | a1i 8 |
. . . . 5
|
| 41 | 35, 40 | bibi12d 629 |
. . . 4
|
| 42 | 41 | albidv 1278 |
. . 3
|
| 43 | 8, 34, 42 | cbvex 1166 |
. 2
|
| 44 | 30, 43 | sylib 198 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-10 966 ax-11 967 ax-12 968 ax-13 969 ax-14 970 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-15 1360 ax-ext 1459 ax-rep 2693 ax-sep 2703 ax-pow 2742 ax-reg 4593 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 981 df-sb 1172 df-eu 1382 df-mo 1383 df-clab 1464 df-cleq 1469 df-clel 1472 df-ne 1587 df-ral 1649 df-rex 1650 df-v 1812 df-dif 2049 df-un 2050 df-in 2051 df-ss 2053 df-nul 2281 df-pw 2402 df-sn 2412 df-pr 2413 |