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Mirrors > Home > ILE Home > Th. List > ssrel2 | Unicode version |
Description: A subclass relationship depends only on a relation's ordered pairs. This version of ssrel 4712 is restricted to the relation's domain. (Contributed by Thierry Arnoux, 25-Jan-2018.) |
Ref | Expression |
---|---|
ssrel2 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssel 3149 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
2 | 1 | a1d 22 |
. . 3
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3 | 2 | ralrimivv 2558 |
. 2
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4 | eleq1 2240 |
. . . . . . . . . . . 12
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
5 | eleq1 2240 |
. . . . . . . . . . . 12
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
6 | 4, 5 | imbi12d 234 |
. . . . . . . . . . 11
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7 | 6 | biimprcd 160 |
. . . . . . . . . 10
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8 | 7 | ralimi 2540 |
. . . . . . . . 9
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9 | 8 | ralimi 2540 |
. . . . . . . 8
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10 | r19.23v 2586 |
. . . . . . . . . 10
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11 | 10 | ralbii 2483 |
. . . . . . . . 9
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12 | r19.23v 2586 |
. . . . . . . . 9
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13 | 11, 12 | bitri 184 |
. . . . . . . 8
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14 | 9, 13 | sylib 122 |
. . . . . . 7
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15 | 14 | com23 78 |
. . . . . 6
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16 | 15 | a2d 26 |
. . . . 5
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17 | 16 | alimdv 1879 |
. . . 4
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18 | dfss2 3144 |
. . . . 5
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19 | elxp2 4642 |
. . . . . . 7
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20 | 19 | imbi2i 226 |
. . . . . 6
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21 | 20 | albii 1470 |
. . . . 5
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22 | 18, 21 | bitri 184 |
. . . 4
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23 | dfss2 3144 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
24 | 17, 22, 23 | 3imtr4g 205 |
. . 3
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25 | 24 | com12 30 |
. 2
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26 | 3, 25 | impbid2 143 |
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 |
This theorem is referenced by: (None) |
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