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| Description: Lemma for orthoarguesian law 5OA. |
| Ref | Expression |
|---|---|
| 5oalem5.1 |
|
| 5oalem5.2 |
|
| 5oalem5.3 |
|
| 5oalem5.4 |
|
| 5oalem5.5 |
|
| 5oalem5.6 |
|
| 5oalem5.7 |
|
| 5oalem5.8 |
|
| Ref | Expression |
|---|---|
| 5oalem5 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 5oalem5.1 |
. . . . 5
| |
| 2 | 5oalem5.2 |
. . . . 5
| |
| 3 | 5oalem5.3 |
. . . . 5
| |
| 4 | 5oalem5.4 |
. . . . 5
| |
| 5 | 5oalem5.7 |
. . . . 5
| |
| 6 | 5oalem5.8 |
. . . . 5
| |
| 7 | 1, 2, 3, 4, 5, 6 | 5oalem4 9597 |
. . . 4
|
| 8 | pm3.27 323 |
. . . . 5
| |
| 9 | 8 | anim2i 335 |
. . . 4
|
| 10 | pm3.26 319 |
. . . 4
| |
| 11 | 7, 9, 10 | syl2an 456 |
. . 3
|
| 12 | hvsubsub4t 8922 |
. . . . . . . . 9
| |
| 13 | 12 | anandirs 515 |
. . . . . . . 8
|
| 14 | hvsubidt 8890 |
. . . . . . . . . 10
| |
| 15 | 14 | opreq2d 3982 |
. . . . . . . . 9
|
| 16 | 15 | adantl 390 |
. . . . . . . 8
|
| 17 | hvsubclt 8882 |
. . . . . . . . . 10
| |
| 18 | hvsub0t 8938 |
. . . . . . . . . 10
| |
| 19 | 17, 18 | syl 10 |
. . . . . . . . 9
|
| 20 | 19 | adantr 391 |
. . . . . . . 8
|
| 21 | 13, 16, 20 | 3eqtrd 1514 |
. . . . . . 7
|
| 22 | 1 | shel 9077 |
. . . . . . . . 9
|
| 23 | 22 | adantr 391 |
. . . . . . . 8
|
| 24 | 3 | shel 9077 |
. . . . . . . . 9
|
| 25 | 24 | adantr 391 |
. . . . . . . 8
|
| 26 | 23, 25 | anim12i 333 |
. . . . . . 7
|
| 27 | 5oalem5.5 |
. . . . . . . . 9
| |
| 28 | 27 | shel 9077 |
. . . . . . . 8
|
| 29 | 28 | adantr 391 |
. . . . . . 7
|
| 30 | 21, 26, 29 | syl2an 456 |
. . . . . 6
|
| 31 | 30 | adantrr 397 |
. . . . 5
|
| 32 | 31 | adantr 391 |
. . . 4
|
| 33 | pm3.26 319 |
. . . . . . . . 9
| |
| 34 | 33 | anim2i 335 |
. . . . . . . 8
|
| 35 | anandir 513 |
. . . . . . . 8
| |
| 36 | 34, 35 | sylib 198 |
. . . . . . 7
|
| 37 | simprr 417 |
. . . . . . 7
| |
| 38 | 36, 37 | jca 288 |
. . . . . 6
|
| 39 | pm3.26 319 |
. . . . . . . 8
| |
| 40 | 39 | anim1i 334 |
. . . . . . 7
|
| 41 | pm3.27 323 |
. . . . . . . 8
| |
| 42 | 41 | anim1i 334 |
. . . . . . 7
|
| 43 | 40, 42 | jca 288 |
. . . . . 6
|