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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-17 925 |
. . . . . . 7
| |
| 3 | 2 | eu1 1019 |
. . . . . 6
|
| 4 | elin 1635 |
. . . . . . . . 9
| |
| 5 | ax-17 925 |
. . . . . . . . . . . . 13
| |
| 6 | eleq1 1149 |
. . . . . . . . . . . . 13
| |
| 7 | 5, 6 | sbie 904 |
. . . . . . . . . . . 12
|
| 8 | elin 1635 |
. . . . . . . . . . . 12
| |
| 9 | 7, 8 | bitr 151 |
. . . . . . . . . . 11
|
| 10 | cleqcom 1103 |
. . . . . . . . . . 11
| |
| 11 | 9, 10 | imbi12i 163 |
. . . . . . . . . 10
|
| 12 | 11 | bial 695 |
. . . . . . . . 9
|
| 13 | 4, 12 | anbi12i 369 |
. . . . . . . 8
|
| 14 | 19.28v 957 |
. . . . . . . 8
| |
| 15 | 13, 14 | bitr4 154 |
. . . . . . 7
|
| 16 | 15 | biex 733 |
. . . . . 6
|
| 17 | 3, 16 | bitr 151 |
. . . . 5
|
| 18 | 17 | biral 1223 |
. . . 4
|
| 19 | df-ral 1205 |
. . . . 5
| |
| 20 | kmlem14.2 |
. . . . . . . . . 10
| |
| 21 | 20 | bial 695 |
. . . . . . . . 9
|
| 22 | 19.21v 942 |
. . . . . . . . 9
| |
| 23 | 21, 22 | bitr 151 |
. . . . . . . 8
|
| 24 | 23 | biex 733 |
. . . . . . 7
|
| 25 | 19.37v 961 |
. . . . . . 7
| |
| 26 | 24, 25 | bitr 151 |
. . . . . 6
|
| 27 | 26 | bial 695 |
. . . . 5
|
| 28 | 19, 27 | bitr4 154 |
. . . 4
|
| 29 | 1, 18, 28 | 3bitr 155 |
. . 3
|
| 30 | 29 | anbi2i 367 |
. 2
|
| 31 | 19.28v 957 |
. . 3
| |
| 32 | 19.28v 957 |
. . . . . 6
| |
| 33 | 32 | biex 733 |
. . . . 5
|
| 34 | 19.42v 966 |
. . . . 5
| |
| 35 | 33, 34 | bitr2 152 |
. . . 4
|
| 36 | 35 | bial 695 |
. . 3
|
| 37 | 31, 36 | bitr3 153 |
. 2
|
| 38 | 30, 37 | bitr 151 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: kmlem16 3595 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 ax-4 673 ax-5 674 ax-6 675 ax-7 676 ax-gen 677 ax-8 798 ax-9 799 ax-10 800 ax-11 801 ax-12 802 ax-16 922 ax-17 925 ax-ext 1074 |
| This theorem depends on definitions: df-bi 128 df-or 197 df-an 198 df-ex 679 df-sb 853 df-eu 1009 df-clab 1093 df-cleq 1097 df-clel 1099 df-ral 1205 df-v 1349 df-in 1491 |