| Mathbox for Rodolfo Medina |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > prtlem15 | Structured version Visualization version Unicode version | ||
| Description: Lemma for prter1 34164 and prtex 34165. (Contributed by Rodolfo Medina, 13-Oct-2010.) |
| Ref | Expression |
|---|---|
| prtlem15 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | anabs7 852 |
. . . . . . 7
| |
| 2 | an43 867 |
. . . . . . . 8
| |
| 3 | 2 | anbi2i 730 |
. . . . . . 7
|
| 4 | 1, 3, 2 | 3bitr4ri 293 |
. . . . . 6
|
| 5 | prtlem14 34159 |
. . . . . . . 8
| |
| 6 | an3 868 |
. . . . . . . . 9
| |
| 7 | elequ2 2004 |
. . . . . . . . . 10
| |
| 8 | 7 | anbi2d 740 |
. . . . . . . . 9
|
| 9 | 6, 8 | syl5ibr 236 |
. . . . . . . 8
|
| 10 | 5, 9 | syl8 76 |
. . . . . . 7
|
| 11 | 10 | imp4a 614 |
. . . . . 6
|
| 12 | 4, 11 | syl7bi 245 |
. . . . 5
|
| 13 | 12 | expdimp 453 |
. . . 4
|
| 14 | 13 | rexlimdv 3030 |
. . 3
|
| 15 | 14 | reximdva 3017 |
. 2
|
| 16 | elequ2 2004 |
. . . 4
| |
| 17 | elequ2 2004 |
. . . 4
| |
| 18 | 16, 17 | anbi12d 747 |
. . 3
|
| 19 | 18 | cbvrexv 3172 |
. 2
|
| 20 | 15, 19 | syl6ib 241 |
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 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
| This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-v 3202 df-dif 3577 df-in 3581 df-nul 3916 df-prt 34157 |
| This theorem is referenced by: prter1 34164 |
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