| Mathbox for Rodolfo Medina |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > prtlem70 | Structured version Visualization version Unicode version | ||
| Description: Lemma for prter3 34167: a rearrangement of conjuncts. (Contributed by Rodolfo Medina, 20-Oct-2010.) |
| Ref | Expression |
|---|---|
| prtlem70 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | anass 681 |
. . . 4
| |
| 2 | 1 | anbi1i 731 |
. . 3
|
| 3 | anandi 871 |
. . . . 5
| |
| 4 | 3 | anbi1i 731 |
. . . 4
|
| 5 | 4 | anbi1i 731 |
. . 3
|
| 6 | anass 681 |
. . . . 5
| |
| 7 | anass 681 |
. . . . . 6
| |
| 8 | 7 | anbi1i 731 |
. . . . 5
|
| 9 | ancom 466 |
. . . . 5
| |
| 10 | 6, 8, 9 | 3bitr4ri 293 |
. . . 4
|
| 11 | ancom 466 |
. . . . 5
| |
| 12 | 11 | anbi1i 731 |
. . . 4
|
| 13 | anass 681 |
. . . . 5
| |
| 14 | ancom 466 |
. . . . 5
| |
| 15 | 13, 14 | bitri 264 |
. . . 4
|
| 16 | 10, 12, 15 | 3bitri 286 |
. . 3
|
| 17 | 2, 5, 16 | 3bitr4ri 293 |
. 2
|
| 18 | anass 681 |
. . 3
| |
| 19 | 18 | anbi1i 731 |
. 2
|
| 20 | an4 865 |
. . . . 5
| |
| 21 | anass 681 |
. . . . 5
| |
| 22 | 20, 21 | bitri 264 |
. . . 4
|
| 23 | 22 | anbi2i 730 |
. . 3
|
| 24 | 23 | anbi1i 731 |
. 2
|
| 25 | 17, 19, 24 | 3bitri 286 |
1
|
| Colors of variables: wff setvar class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This theorem depends on definitions: df-bi 197 df-an 386 |
| This theorem is referenced by: (None) |
| Copyright terms: Public domain | W3C validator |