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| Description: Lemma for faclbnd4 6952. Use the weak deduction theorem to convert the hypotheses of faclbnd4lem1 6948 to antecedents. |
| Ref | Expression |
|---|---|
| faclbnd4lem2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opreq1 3968 |
. . . . 5
| |
| 2 | 1 | opreq2d 3976 |
. . . 4
|
| 3 | id 59 |
. . . . . . 7
| |
| 4 | opreq1 3968 |
. . . . . . 7
| |
| 5 | 3, 4 | opreq12d 3978 |
. . . . . 6
|
| 6 | 5 | opreq2d 3976 |
. . . . 5
|
| 7 | 6 | opreq1d 3975 |
. . . 4
|
| 8 | 2, 7 | breq12d 2631 |
. . 3
|
| 9 | opreq1 3968 |
. . . . 5
| |
| 10 | 9 | opreq2d 3976 |
. . . 4
|
| 11 | opreq1 3968 |
. . . . . . 7
| |
| 12 | 3, 11 | opreq12d 3978 |
. . . . . 6
|
| 13 | 12 | opreq2d 3976 |
. . . . 5
|
| 14 | 13 | opreq1d 3975 |
. . . 4
|
| 15 | 10, 14 | breq12d 2631 |
. . 3
|
| 16 | 8, 15 | imbi12d 626 |
. 2
|
| 17 | opreq2 3969 |
. . . . 5
| |
| 18 | 17 | opreq1d 3975 |
. . . 4
|
| 19 | opreq1 3968 |
. . . . . . 7
| |
| 20 | 19 | opreq2d 3976 |
. . . . . 6
|
| 21 | opreq2 3969 |
. . . . . . 7
| |
| 22 | 21 | opreq2d 3976 |
. . . . . 6
|
| 23 | 20, 22 | opreq12d 3978 |
. . . . 5
|
| 24 | 23 | opreq1d 3975 |
. . . 4
|
| 25 | 18, 24 | breq12d 2631 |
. . 3
|