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| Description: Lemma for 5-quantifier AC of Kurt Maes, Th. 4, part of 5 <=> 4. |
| Ref | Expression |
|---|---|
| kmlem14.1 |
|
| kmlem14.2 |
|
| kmlem14.3 |
|
| Ref | Expression |
|---|---|
| kmlem15 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | kmlem14.3 |
. . . 4
| |
| 2 | ax-17 968 |
. . . . . . 7
| |
| 3 | 2 | eu1 1385 |
. . . . . 6
|
| 4 | elin 2197 |
. . . . . . . . 9
| |
| 5 | ax-17 968 |
. . . . . . . . . . . . 13
| |
| 6 | eleq1 1526 |
. . . . . . . . . . . . 13
| |
| 7 | 5, 6 | sbie 1192 |
. . . . . . . . . . . 12
|
| 8 | elin 2197 |
. . . . . . . . . . . 12
| |
| 9 | 7, 8 | bitr 173 |
. . . . . . . . . . 11
|
| 10 | eqcom 1469 |
. . . . . . . . . . 11
| |
| 11 | 9, 10 | imbi12i 188 |
. . . . . . . . . 10
|
| 12 | 11 | albii 996 |
. . . . . . . . 9
|
| 13 | 4, 12 | anbi12i 481 |
. . . . . . . 8
|
| 14 | 19.28v 1294 |
. . . . . . . 8
| |
| 15 | 13, 14 | bitr4 176 |
. . . . . . 7
|
| 16 | 15 | exbii 1047 |
. . . . . 6
|
| 17 | 3, 16 | bitr 173 |
. . . . 5
|
| 18 | 17 | ralbii 1659 |
. . . 4
|
| 19 | df-ral 1641 |
. . . . 5
| |
| 20 | kmlem14.2 |
. . . . . . . . . 10
| |
| 21 | 20 | albii 996 |
. . . . . . . . 9
|
| 22 | 19.21v 1280 |
. . . . . . . . 9
| |
| 23 | 21, 22 | bitr 173 |
. . . . . . . 8
|
| 24 | 23 | exbii 1047 |
. . . . . . 7
|
| 25 | 19.37v 1298 |
. . . . . . 7
| |
| 26 | 24, 25 | bitr 173 |
. . . . . 6
|
| 27 | 26 | albii 996 |
. . . . 5
|
| 28 | 19, 27 | bitr4 176 |
. . . 4
|
| 29 | 1, 18, 28 | 3bitr 177 |
. . 3
|
| 30 | 29 | anbi2i 479 |
. 2
|
| 31 | 19.28v 1294 |
. 2
| |
| 32 | 19.28v 1294 |
. . . . 5
| |
| 33 | 32 | exbii 1047 |
. . . 4
|
| 34 | 19.42v 1303 |
. . . 4
| |
| 35 | 33, 34 | bitr2 174 |
. . 3
|
| 36 | 35 | albii 996 |
. 2
|
| 37 | 30, 31, 36 | 3bitr2 179 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: kmlem16 4752 |
| 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-10 963 ax-11 964 ax-12 965 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 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 978 df-sb 1168 df-eu 1375 df-clab 1457 df-cleq 1462 df-clel 1465 df-ral 1641 df-v 1803 df-in 2041 |