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Mirrors > Home > ILE Home > Th. List > opswapg | Unicode version |
Description: Swap the members of an ordered pair. (Contributed by Jim Kingdon, 16-Dec-2018.) |
Ref | Expression |
---|---|
opswapg |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cnvsng 4830 |
. . 3
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2 | 1 | unieqd 3614 |
. 2
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3 | elex 2611 |
. . . 4
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4 | elex 2611 |
. . . 4
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5 | opexg 3985 |
. . . 4
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6 | 3, 4, 5 | syl2anr 284 |
. . 3
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7 | unisng 3620 |
. . 3
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8 | 6, 7 | syl 14 |
. 2
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9 | 2, 8 | eqtrd 2114 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-io 663 ax-5 1377 ax-7 1378 ax-gen 1379 ax-ie1 1423 ax-ie2 1424 ax-8 1436 ax-10 1437 ax-11 1438 ax-i12 1439 ax-bndl 1440 ax-4 1441 ax-14 1446 ax-17 1460 ax-i9 1464 ax-ial 1468 ax-i5r 1469 ax-ext 2064 ax-sep 3898 ax-pow 3950 ax-pr 3966 |
This theorem depends on definitions: df-bi 115 df-3an 922 df-tru 1288 df-nf 1391 df-sb 1687 df-eu 1945 df-mo 1946 df-clab 2069 df-cleq 2075 df-clel 2078 df-nfc 2209 df-ral 2354 df-rex 2355 df-v 2604 df-un 2978 df-in 2980 df-ss 2987 df-pw 3386 df-sn 3406 df-pr 3407 df-op 3409 df-uni 3604 df-br 3788 df-opab 3842 df-xp 4371 df-rel 4372 df-cnv 4373 |
This theorem is referenced by: 2nd1st 5831 cnvf1olem 5870 brtposg 5897 dftpos4 5906 tpostpos 5907 xpcomco 6360 |
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