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| Description: Lemma for Theorem 3.7(i) of [Beran] p. 102. |
| Ref | Expression |
|---|---|
| pjthlem6.1 |
|
| pjthlem6.2 |
|
| pjthlem6.3 |
|
| pjthlem6.4 |
|
| Ref | Expression |
|---|---|
| pjthlem8 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pjthlem6.1 |
. . . 4
| |
| 2 | pjthlem6.2 |
. . . 4
| |
| 3 | pjthlem6.3 |
. . . 4
| |
| 4 | pjthlem6.4 |
. . . 4
| |
| 5 | 1, 2, 3, 4 | pjthlem4 5228 |
. . 3
|
| 6 | opreq1 3006 |
. . . . . . . 8
| |
| 7 | 6 | opreq2d 3013 |
. . . . . . 7
|
| 8 | 7 | fveq2d 2836 |
. . . . . 6
|
| 9 | 8 | opreq1d 3012 |
. . . . 5
|
| 10 | opreq1 3006 |
. . . . . . . 8
| |
| 11 | 10 | fveq2d 2836 |
. . . . . . 7
|
| 12 | 11 | opreq2d 3013 |
. . . . . 6
|
| 13 | id 9 |
. . . . . . . . 9
| |
| 14 | fveq2 2832 |
. . . . . . . . 9
| |
| 15 | 13, 14 | opreq12d 3014 |
. . . . . . . 8
|
| 16 | 15 | opreq1d 3012 |
. . . . . . 7
|
| 17 | 16, 10 | opreq12d 3014 |
. . . . . 6
|
| 18 | 12, 17 | opreq12d 3014 |
. . . . 5
|
| 19 | 9, 18 | cleq12d 1115 |
. . . 4
|
| 20 | 0cn 4100 |
. . . . . 6
| |
| 21 | 20 | elimel 1793 |
. . . . 5
|
| 22 | 1, 3, 21 | pjthlem5 5229 |
. . . 4
|
| 23 | 19, 22 | dedth 1784 |
. . 3
|
| 24 | 5, 23 | syl 12 |
. 2
|
| 25 | 1, 2, 3, 4 | pjthlem6 5230 |
. . . . . 6
|
| 26 | 25 | fveq2d 2836 |
. . . . 5
|
| 27 | 1, 2 | pjthlem2 5226 |
. . . . . 6
|
| 28 | 3, 1 | hicl 5044 |
. . . . . . . . 9
|
| 29 | 28 | abscl 4840 |
. . . . . . . 8
|
| 30 | 29 | sqrecl 4699 |
. . . . . . 7
|
| 31 | axmulrcl 4069 |
. . . . . . 7
| |
| 32 | 30, 31 | mpan2 519 |
. . . . . 6
|
| 33 | cjret 4829 |
. . . . . 6
| |
| 34 | 27, 32, 33 | 3syl 21 |
. . . . 5
|
| 35 | 26, 34 | eqtrd 1128 |
. . . 4
|
| 36 | 35 | opreq2d 3013 |
. . 3
|
| 37 | 1, 2, 3, 4 | pjthlem7 5231 |
. . . . 5
|
| 38 | 37, 25 | opreq12d 3014 |
. . . 4
|
| 39 | 27, 32 | syl 12 |
. . . . . 6
|
| 40 | 39 | recnd 4099 |
. . . . 5
|
| 41 | subidt 4159 |
. . . . 5
| |
| 42 | 40, 41 | syl 12 |
. . . 4
|
| 43 | 38, 42 | eqtrd |