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Mirrors > Home > ILE Home > Th. List > elpri | Unicode version |
Description: If a class is an element of a pair, then it is one of the two paired elements. (Contributed by Scott Fenton, 1-Apr-2011.) |
Ref | Expression |
---|---|
elpri |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elprg 3552 |
. 2
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2 | 1 | ibi 175 |
1
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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 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-10 1484 ax-11 1485 ax-i12 1486 ax-bndl 1487 ax-4 1488 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 |
This theorem depends on definitions: df-bi 116 df-tru 1335 df-nf 1438 df-sb 1737 df-clab 2127 df-cleq 2133 df-clel 2136 df-nfc 2271 df-v 2691 df-un 3080 df-sn 3538 df-pr 3539 |
This theorem is referenced by: nelpri 3556 nelprd 3558 opth1 4166 0nelop 4178 ontr2exmid 4448 onintexmid 4495 reg3exmidlemwe 4501 funtpg 5182 ftpg 5612 acexmidlemcase 5777 2oconcl 6344 en2eqpr 6809 eldju1st 6964 finomni 7020 exmidomniim 7021 ismkvnex 7037 exmidonfinlem 7066 exmidfodomrlemr 7075 exmidfodomrlemrALT 7076 exmidaclem 7081 sup3exmid 8739 m1expcl2 10346 maxleim 11009 maxleast 11017 zmaxcl 11028 minmax 11033 xrmaxleim 11045 xrmaxaddlem 11061 xrminmax 11066 unct 11991 qtopbas 12730 limcimolemlt 12841 recnprss 12864 coseq0negpitopi 12965 el2oss1o 13359 012of 13363 2o01f 13364 nninfalllem1 13378 nninfall 13379 nninfsellemqall 13386 nninfomnilem 13389 trilpolemclim 13404 trilpolemcl 13405 trilpolemisumle 13406 trilpolemeq1 13408 trilpolemlt1 13409 |
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