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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 |
|---|---|
| kmlem14 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | neeq1 1587 |
. . . . . 6
| |
| 2 | ineq1 2206 |
. . . . . . 7
| |
| 3 | 2 | eleq2d 1538 |
. . . . . 6
|
| 4 | 1, 3 | anbi12d 627 |
. . . . 5
|
| 5 | 4 | rexbidv 1661 |
. . . 4
|
| 6 | 5 | raleqd 1788 |
. . 3
|
| 7 | 6 | cbvrexv 1797 |
. 2
|
| 8 | df-rex 1647 |
. 2
| |
| 9 | eleq1 1531 |
. . . . . . . . 9
| |
| 10 | 9 | anbi2d 615 |
. . . . . . . 8
|
| 11 | 10 | rexbidv 1661 |
. . . . . . 7
|
| 12 | 11 | cbvralv 1796 |
. . . . . 6
|
| 13 | df-ral 1646 |
. . . . . 6
| |
| 14 | 12, 13 | bitr 173 |
. . . . 5
|
| 15 | 14 | anbi2i 480 |
. . . 4
|
| 16 | 19.28v 1297 |
. . . 4
| |
| 17 | neeq2 1588 |
. . . . . . . . . . . 12
| |
| 18 | ineq2 2207 |
. . . . . . . . . . . . 13
| |
| 19 | 18 | eleq2d 1538 |
. . . . . . . . . . . 12
|
| 20 | 17, 19 | anbi12d 627 |
. . . . . . . . . . 11
|
| 21 | 20 | cbvrexv 1797 |
. . . . . . . . . 10
|
| 22 | df-rex 1647 |
. . . . . . . . . 10
| |
| 23 | 21, 22 | bitr 173 |
. . . . . . . . 9
|
| 24 | 23 | imbi2i 185 |
. . . . . . . 8
|
| 25 | 19.37v 1301 |
. . . . . . . 8
| |
| 26 | 24, 25 | bitr4 176 |
. . . . . . 7
|
| 27 | 26 | anbi2i 480 |
. . . . . 6
|
| 28 | 19.42v 1306 |
. . . . . 6
| |
| 29 | ax-17 969 |
. . . . . . . . 9
| |
| 30 | 29 | 19.3 1029 |
. . . . . . . 8
|
| 31 | kmlem14.1 |
. . . . . . . . . 10
| |
| 32 | elin 2203 |
. . . . . . . . . . . . . 14
| |
| 33 | 32 | baibr 685 |
. . . . . . . . . . . . 13
|
| 34 | 33 | anbi2d 615 |
. . . . . . . . . . . 12
|
| 35 | anass 439 |
. . . . . . . . . . . 12
| |
| 36 | 34, 35 | syl6bb 535 |
. . . . . . . . . . 11
|
| 37 | 36 | pm5.74i 583 |
. . . . . . . . . 10
|
| 38 | 31, 37 | bitr 173 |
. . . . . . . . 9
|
| 39 | 38 | anbi2i 480 |
. . . . . . . 8
|
| 40 | 30, 39 | bitr2 174 |
. . . . . . 7
|
| 41 | 40 | exbii 1049 |
. . . . . 6
|
| 42 | 27, 28, 41 | 3bitr2 179 |
. . . . 5
|
| 43 | 42 | albii 997 |
. . . 4
|
| 44 | 15, 16, 43 | 3bitr2 179 |
. . 3
|
| 45 | 44 | exbii 1049 |
. 2
|
| 46 | 7, 8, 45 | 3bitr 177 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: kmlem16 4760 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 960 ax-gen 961 ax-8 962 ax |