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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 4091 |
. . . 4
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3 | 1, 2 | eqtri 2214 |
. . 3
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4 | vex 2763 |
. . . . . . . 8
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5 | vex 2763 |
. . . . . . . 8
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6 | 4, 5 | opelvv 4709 |
. . . . . . 7
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7 | eleq1 2256 |
. . . . . . 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 1908 |
. . . 4
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11 | 10 | abssi 3254 |
. . 3
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12 | 3, 11 | eqsstri 3211 |
. 2
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13 | df-rel 4666 |
. 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 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-14 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ral 2477 df-rex 2478 df-v 2762 df-un 3157 df-in 3159 df-ss 3166 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-opab 4091 df-xp 4665 df-rel 4666 |
This theorem is referenced by: relopab 4788 mptrel 4790 reli 4791 rele 4792 relcnv 5043 cotr 5047 relco 5164 reloprab 5966 reldmoprab 6003 eqer 6619 ecopover 6687 ecopoverg 6690 relen 6798 reldom 6799 enq0er 7495 aprcl 8665 aptap 8669 climrel 11423 brstruct 12627 |
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