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| Description: Lemma for the Axiom of Power Sets with no distinct variable conditions. |
| Ref | Expression |
|---|---|
| axpowndlem3 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | axpowndlem2 4969 |
. 2
| |
| 2 | axpowndlem1 4968 |
. 2
| |
| 3 | hbae 1147 |
. . . . . 6
| |
| 4 | hbae 1147 |
. . . . . . 7
| |
| 5 | nd3 4959 |
. . . . . . . . . . 11
| |
| 6 | mtt 714 |
. . . . . . . . . . 11
| |
| 7 | 5, 6 | syl 10 |
. . . . . . . . . 10
|
| 8 | ax-10o 1142 |
. . . . . . . . . . . 12
| |
| 9 | 8 | alequcoms 1145 |
. . . . . . . . . . 11
|
| 10 | alnex 1035 |
. . . . . . . . . . 11
| |
| 11 | alnex 1035 |
. . . . . . . . . . 11
| |
| 12 | 9, 10, 11 | 3imtr3g 554 |
. . . . . . . . . 10
|
| 13 | 7, 12 | sylbird 205 |
. . . . . . . . 9
|
| 14 | 13 | a4sd 987 |
. . . . . . . 8
|
| 15 | 14 | imim1d 28 |
. . . . . . 7
|
| 16 | 4, 15 | 19.20d 998 |
. . . . . 6
|
| 17 | 3, 16 | 19.22d 1064 |
. . . . 5
|
| 18 | p0ex 2777 |
. . . . . . . . 9
| |
| 19 | eleq2 1538 |
. . . . . . . . . . 11
| |
| 20 | 19 | imbi2d 614 |
. . . . . . . . . 10
|
| 21 | 20 | albidv 1280 |
. . . . . . . . 9
|
| 22 | 18, 21 | cla4ev 1872 |
. . . . . . . 8
|
| 23 | 0ex 2717 |
. . . . . . . . . 10
| |
| 24 | 23 | snid 2440 |
. . . . . . . . 9
|
| 25 | eleq1 1537 |
. . . . . . . . 9
| |
| 26 | 24, 25 | mpbiri 194 |
. . . . . . . 8
|
| 27 | 22, 26 | mpg 988 |
. . . . . . 7
|
| 28 | n0 2294 |
. . . . . . . . . . 11
| |
| 29 | 28 | con1bii 220 |
. . . . . . . . . 10
|
| 30 | 29 | imbi1i 186 |
. . . . . . . . 9
|
| 31 | 30 | albii 1001 |
. . . . . . . 8
|
| 32 | 31 | exbii 1053 |
. . . . . . 7
|
| 33 | 27, 32 | mpbir 190 |
. . . . . 6
|
| 34 | hbnae 1149 |
. . . . . . 7
| |
| 35 | hbnae 1149 |
. . . . . . . 8
| |
| 36 | dveel1 1358 |
. . . . . . . . . . . 12
| |
| 37 | 36 | nalequcoms 1146 |
. . . . . . . . . . 11
|
| 38 | 34, 37 | hbexd 1116 |
. . . . . . . . . 10
|
| 39 | 35, 38 | hbnd 1111 |
. . . . . . . . 9
|
| 40 | dveel2 1359 |
. . . . . . . . . 10
| |
| 41 | 40 | nalequcoms 1146 |
. . . . . . . . 9
|
| 42 | 35, 39, 41 | hbimd 1112 |
. . . . . . . 8
|
| 43 | dveeq2 1214 |
. . . . . . . . . . . . 13
| |
| 44 | 43 | imdistani 445 |
. . . . . . . . . . . 12
|
| 45 | hba1 1005 |
. . . . . . . . . . . . . 14
| |
| 46 | elequ2 1139 |
. . . . . . . . . . . . . . 15
| |
| 47 | 46 | a4s 986 |
. . . . . . . . . . . . . 14
|
| 48 | 45, 47 | exbid 1107 |
. . . . . . . . . . . . 13
|
| 49 | 48 | adantl 390 |
. . . . . . . . . . . 12
|
| 50 | 44, 49 | syl 10 |
. . . . . . . . . . 11
|
| 51 | 50 | negbid 613 |
. . . . . . . . . 10
|
| 52 | elequ1 1138 |
. . . . . . . . . . 11
| |
| 53 | 52 | adantl 390 |
. . . . . . . . . 10
|
| 54 | 51, 53 | imbi12d 628 |
. . . . . . . . 9
|
| 55 | 54 | ex 373 |
. . . . . . . 8
|
| 56 | 35, 42, 55 | cbvald 1322 |
. . . . . . 7
|
| 57 | 34, 56 | exbid 1107 |
. . . . . 6
|
| 58 | 33, 57 | mpbii 193 |
. . . . 5
|
| 59 | 17, 58 | syl5 21 |
. . . 4
|
| 60 | 59 | a1dd 42 |
. . 3
|
| 61 | 60, 2 | pm2.61d2 129 |
. 2
|
| 62 | 1, 2, 61 | pm2.61ii 130 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: axpowndlem4 4971 |
| 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-11 969 ax-12 970 ax-13 971 ax-14 972 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 ax-sep 2709 ax-nul 2716 ax-pow 2749 ax-reg 4609 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 983 df-sb 1174 df-eu 1384 df-mo 1385 df-clab 1467 df-cleq 1472 df-clel 1475 df-ne 1590 df-ral 1652 df-rex 1653 df-v 1815 df-dif 2053 df-un 2054 df-in 2055 df-ss 2057 df-nul 2285 df-pw 2407 df-sn 2417 df-pr 2418 |