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| Mirrors > Home > QLE Home > Th. List > u4lem1 | Unicode version | ||
| Description: Lemma for unified implication study. |
| Ref | Expression |
|---|---|
| u4lem1 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-i4 47 |
. 2
| |
| 2 | u4lemaa 603 |
. . . . 5
| |
| 3 | u4lemnaa 643 |
. . . . 5
| |
| 4 | 2, 3 | 2or 72 |
. . . 4
|
| 5 | u4lemnoa 663 |
. . . . 5
| |
| 6 | 5 | ran 78 |
. . . 4
|
| 7 | 4, 6 | 2or 72 |
. . 3
|
| 8 | ancom 74 |
. . . . 5
| |
| 9 | 8 | lor 70 |
. . . 4
|
| 10 | comanr1 464 |
. . . . . . . 8
| |
| 11 | comanr1 464 |
. . . . . . . 8
| |
| 12 | 10, 11 | com2or 483 |
. . . . . . 7
|
| 13 | 12 | comcom3 454 |
. . . . . 6
|
| 14 | comorr 184 |
. . . . . . . 8
| |
| 15 | comorr 184 |
. . . . . . . 8
| |
| 16 | 14, 15 | com2an 484 |
. . . . . . 7
|
| 17 | 16 | comcom3 454 |
. . . . . 6
|
| 18 | 13, 17 | fh4 472 |
. . . . 5
|
| 19 | comor1 461 |
. . . . . . . . . . 11
| |
| 20 | comor2 462 |
. . . . . . . . . . 11
| |
| 21 | 19, 20 | com2an 484 |
. . . . . . . . . 10
|
| 22 | 20 | comcom2 183 |
. . . . . . . . . . 11
|
| 23 | 19, 22 | com2an 484 |
. . . . . . . . . 10
|
| 24 | 21, 23 | com2or 483 |
. . . . . . . . 9
|
| 25 | 19, 22 | com2or 483 |
. . . . . . . . 9
|
| 26 | 24, 25 | fh4 472 |
. . . . . . . 8
|
| 27 | lea 160 |
. . . . . . . . . . . 12
| |
| 28 | lea 160 |
. . . . . . . . . . . 12
| |
| 29 | 27, 28 | lel2or 170 |
. . . . . . . . . . 11
|
| 30 | leo 158 |
. . . . . . . . . . 11
| |
| 31 | 29, 30 | letr 137 |
. . . . . . . . . 10
|
| 32 | 31 | df-le2 131 |
. . . . . . . . 9
|
| 33 | leo 158 |
. . . . . . . . . . 11
| |
| 34 | 29, 33 | letr 137 |
. . . . . . . . . 10
|
| 35 | 34 | df-le2 131 |
. . . . . . . . 9
|
| 36 | 32, 35 | 2an 79 |
. . . . . . . 8
|
| 37 | 26, 36 | ax-r2 36 |
. . . . . . 7
|
| 38 | 37 | lan 77 |
. . . . . 6
|
| 39 | id 59 |
. . . . . 6
| |
| 40 | 38, 39 | ax-r2 36 |
. . . . 5
|
| 41 | 18, 40 | ax-r2 36 |
. . . 4
|
| 42 | 9, 41 | ax-r2 36 |
. . 3
|
| 43 | 7, 42 | ax-r2 36 |
. 2
|
| 44 | 1, 43 | ax-r2 36 |
1
|
| Colors of variables: term |
| Syntax hints: |
| This theorem was proved from axioms: ax-a1 30 ax-a2 31 ax-a3 32 ax-a4 33 ax-a5 34 ax-r1 35 ax-r2 36 ax-r4 37 ax-r5 38 ax-r3 439 |
| This theorem depends on definitions: df-b 39 df-a 40 df-t 41 df-f 42 df-i4 47 df-le1 130 df-le2 131 df-c1 132 df-c2 133 |
| This theorem is referenced by: u4lem1n 742 |
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