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Mirrors > Home > ILE Home > Th. List > opelresg | Unicode version |
Description: Ordered pair membership in a restriction. Exercise 13 of [TakeutiZaring] p. 25. (Contributed by NM, 14-Oct-2005.) |
Ref | Expression |
---|---|
opelresg |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | opeq2 3573 |
. . 3
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2 | 1 | eleq1d 2148 |
. 2
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3 | 1 | eleq1d 2148 |
. . 3
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4 | 3 | anbi1d 453 |
. 2
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5 | vex 2605 |
. . 3
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6 | 5 | opelres 4639 |
. 2
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7 | 2, 4, 6 | vtoclbg 2660 |
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-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-opab 3842 df-xp 4371 df-res 4377 |
This theorem is referenced by: brresg 4642 opelresi 4645 issref 4731 |
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