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Mirrors > Home > MPE Home > Th. List > opswap | Structured version Visualization version Unicode version |
Description: Swap the members of an ordered pair. (Contributed by NM, 14-Dec-2008.) (Revised by Mario Carneiro, 30-Aug-2015.) |
Ref | Expression |
---|---|
opswap |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cnvsng 5621 |
. . . 4
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2 | 1 | unieqd 4446 |
. . 3
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3 | opex 4932 |
. . . 4
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4 | 3 | unisn 4451 |
. . 3
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5 | 2, 4 | syl6eq 2672 |
. 2
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6 | uni0 4465 |
. . 3
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7 | opprc 4424 |
. . . . . . 7
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8 | 7 | sneqd 4189 |
. . . . . 6
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9 | 8 | cnveqd 5298 |
. . . . 5
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10 | cnvsn0 5603 |
. . . . 5
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11 | 9, 10 | syl6eq 2672 |
. . . 4
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12 | 11 | unieqd 4446 |
. . 3
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13 | ancom 466 |
. . . 4
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14 | opprc 4424 |
. . . 4
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15 | 13, 14 | sylnbi 320 |
. . 3
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16 | 6, 12, 15 | 3eqtr4a 2682 |
. 2
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17 | 5, 16 | pm2.61i 176 |
1
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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 ax-sep 4781 ax-nul 4789 ax-pr 4906 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-xp 5120 df-rel 5121 df-cnv 5122 df-dm 5124 df-rn 5125 |
This theorem is referenced by: 2nd1st 7213 cnvf1olem 7275 brtpos 7361 dftpos4 7371 tpostpos 7372 xpcomco 8050 fsumcnv 14504 fprodcnv 14713 gsumcom2 18374 txswaphmeolem 21607 |
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