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Mirrors > Home > ILE Home > Th. List > relopabi | Unicode version |
Description: A class of ordered pairs is a relation. (Contributed by Mario Carneiro, 21-Dec-2013.) |
Ref | Expression |
---|---|
relopabi.1 |
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Ref | Expression |
---|---|
relopabi |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | relopabi.1 |
. . . 4
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2 | df-opab 4063 |
. . . 4
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3 | 1, 2 | eqtri 2198 |
. . 3
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4 | vex 2740 |
. . . . . . . 8
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5 | vex 2740 |
. . . . . . . 8
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6 | 4, 5 | opelvv 4674 |
. . . . . . 7
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7 | eleq1 2240 |
. . . . . . 7
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8 | 6, 7 | mpbiri 168 |
. . . . . 6
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9 | 8 | adantr 276 |
. . . . 5
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10 | 9 | exlimivv 1896 |
. . . 4
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11 | 10 | abssi 3230 |
. . 3
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12 | 3, 11 | eqsstri 3187 |
. 2
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13 | df-rel 4631 |
. 2
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14 | 12, 13 | mpbir 146 |
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 106 ax-ia2 107 ax-ia3 108 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-14 2151 ax-ext 2159 ax-sep 4119 ax-pow 4172 ax-pr 4207 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-nf 1461 df-sb 1763 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ral 2460 df-rex 2461 df-v 2739 df-un 3133 df-in 3135 df-ss 3142 df-pw 3577 df-sn 3598 df-pr 3599 df-op 3601 df-opab 4063 df-xp 4630 df-rel 4631 |
This theorem is referenced by: relopab 4751 mptrel 4752 reli 4753 rele 4754 relcnv 5003 cotr 5007 relco 5124 reloprab 5918 reldmoprab 5955 eqer 6562 ecopover 6628 ecopoverg 6631 relen 6739 reldom 6740 enq0er 7429 aprcl 8597 aptap 8601 climrel 11279 brstruct 12461 |
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