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| Mirrors > Home > ILE Home > Th. List > txswaphmeolem | Unicode version | ||
| Description: Show inverse for the "swap components" operation on a Cartesian product. (Contributed by Mario Carneiro, 21-Mar-2015.) |
| Ref | Expression |
|---|---|
| txswaphmeolem |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | id 19 |
. . 3
| |
| 2 | 1 | mpompt 6173 |
. 2
|
| 3 | mptresid 5115 |
. 2
| |
| 4 | opelxpi 4804 |
. . . . . 6
| |
| 5 | 4 | ancoms 268 |
. . . . 5
|
| 6 | 5 | adantl 277 |
. . . 4
|
| 7 | eqidd 2239 |
. . . 4
| |
| 8 | sneq 3719 |
. . . . . . . . . 10
| |
| 9 | 8 | cnveqd 4954 |
. . . . . . . . 9
|
| 10 | 9 | unieqd 3944 |
. . . . . . . 8
|
| 11 | vex 2824 |
. . . . . . . . 9
| |
| 12 | vex 2824 |
. . . . . . . . 9
| |
| 13 | opswapg 5272 |
. . . . . . . . 9
| |
| 14 | 11, 12, 13 | mp2an 430 |
. . . . . . . 8
|
| 15 | 10, 14 | eqtrdi 2287 |
. . . . . . 7
|
| 16 | 15 | mpompt 6173 |
. . . . . 6
|
| 17 | 16 | eqcomi 2242 |
. . . . 5
|
| 18 | 17 | a1i 9 |
. . . 4
|
| 19 | 6, 7, 18, 15 | fmpoco 6445 |
. . 3
|
| 20 | 19 | mptru 1411 |
. 2
|
| 21 | 2, 3, 20 | 3eqtr4ri 2270 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4247 ax-pow 4309 ax-pr 4344 ax-un 4576 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-iun 4012 df-br 4129 df-opab 4191 df-mpt 4192 df-id 4436 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-rn 4783 df-res 4784 df-ima 4785 df-iota 5335 df-fun 5377 df-fn 5378 df-f 5379 df-fv 5383 df-oprab 6082 df-mpo 6083 df-1st 6367 df-2nd 6368 |
| This theorem is referenced by: txswaphmeo 15348 |
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