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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 4454 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 2994 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
2 | 1 | a1d 22 |
. . 3
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3 | 2 | ralrimivv 2443 |
. 2
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4 | eleq1 2142 |
. . . . . . . . . . . 12
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
5 | eleq1 2142 |
. . . . . . . . . . . 12
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
6 | 4, 5 | imbi12d 232 |
. . . . . . . . . . 11
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7 | 6 | biimprcd 158 |
. . . . . . . . . 10
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8 | 7 | ralimi 2427 |
. . . . . . . . 9
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9 | 8 | ralimi 2427 |
. . . . . . . 8
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10 | r19.23v 2470 |
. . . . . . . . . 10
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11 | 10 | ralbii 2373 |
. . . . . . . . 9
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12 | r19.23v 2470 |
. . . . . . . . 9
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13 | 11, 12 | bitri 182 |
. . . . . . . 8
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14 | 9, 13 | sylib 120 |
. . . . . . 7
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15 | 14 | com23 77 |
. . . . . 6
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16 | 15 | a2d 26 |
. . . . 5
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17 | 16 | alimdv 1801 |
. . . 4
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18 | dfss2 2989 |
. . . . 5
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19 | elxp2 4389 |
. . . . . . 7
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20 | 19 | imbi2i 224 |
. . . . . 6
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21 | 20 | albii 1400 |
. . . . 5
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22 | 18, 21 | bitri 182 |
. . . 4
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23 | dfss2 2989 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
24 | 17, 22, 23 | 3imtr4g 203 |
. . 3
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25 | 24 | com12 30 |
. 2
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26 | 3, 25 | impbid2 141 |
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 3904 ax-pow 3956 ax-pr 3972 |
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 3392 df-sn 3412 df-pr 3413 df-op 3415 df-opab 3848 df-xp 4377 |
This theorem is referenced by: (None) |
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