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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 4748 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 3174 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
2 | 1 | a1d 22 |
. . 3
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3 | 2 | ralrimivv 2575 |
. 2
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4 | eleq1 2256 |
. . . . . . . . . . . 12
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
5 | eleq1 2256 |
. . . . . . . . . . . 12
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
6 | 4, 5 | imbi12d 234 |
. . . . . . . . . . 11
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7 | 6 | biimprcd 160 |
. . . . . . . . . 10
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8 | 7 | ralimi 2557 |
. . . . . . . . 9
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9 | 8 | ralimi 2557 |
. . . . . . . 8
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10 | r19.23v 2603 |
. . . . . . . . . 10
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11 | 10 | ralbii 2500 |
. . . . . . . . 9
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12 | r19.23v 2603 |
. . . . . . . . 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 1890 |
. . . 4
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18 | dfss2 3169 |
. . . . 5
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19 | elxp2 4678 |
. . . . . . 7
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20 | 19 | imbi2i 226 |
. . . . . 6
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21 | 20 | albii 1481 |
. . . . 5
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22 | 18, 21 | bitri 184 |
. . . 4
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23 | dfss2 3169 |
. . . 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 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 4148 ax-pow 4204 ax-pr 4239 |
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 3158 df-in 3160 df-ss 3167 df-pw 3604 df-sn 3625 df-pr 3626 df-op 3628 df-opab 4092 df-xp 4666 |
This theorem is referenced by: (None) |
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