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Mirrors > Home > ILE Home > Th. List > brdomg | Unicode version |
Description: Dominance relation. (Contributed by NM, 15-Jun-1998.) |
Ref | Expression |
---|---|
brdomg |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | reldom 6226 |
. . . 4
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2 | 1 | brrelexi 4384 |
. . 3
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3 | 2 | a1i 9 |
. 2
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4 | f1f 5092 |
. . . . 5
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5 | fdm 5050 |
. . . . . 6
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6 | vex 2560 |
. . . . . . 7
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7 | 6 | dmex 4598 |
. . . . . 6
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8 | 5, 7 | syl6eqelr 2129 |
. . . . 5
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9 | 4, 8 | syl 14 |
. . . 4
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10 | 9 | exlimiv 1489 |
. . 3
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11 | 10 | a1i 9 |
. 2
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12 | f1eq2 5088 |
. . . . 5
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13 | 12 | exbidv 1706 |
. . . 4
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14 | f1eq3 5089 |
. . . . 5
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15 | 14 | exbidv 1706 |
. . . 4
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16 | df-dom 6223 |
. . . 4
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17 | 13, 15, 16 | brabg 4006 |
. . 3
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18 | 17 | expcom 109 |
. 2
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19 | 3, 11, 18 | pm5.21ndd 621 |
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 99 ax-ia2 100 ax-ia3 101 ax-io 630 ax-5 1336 ax-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-10 1396 ax-11 1397 ax-i12 1398 ax-bndl 1399 ax-4 1400 ax-13 1404 ax-14 1405 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-i5r 1428 ax-ext 2022 ax-sep 3875 ax-pow 3927 ax-pr 3944 ax-un 4170 |
This theorem depends on definitions: df-bi 110 df-3an 887 df-tru 1246 df-nf 1350 df-sb 1646 df-eu 1903 df-mo 1904 df-clab 2027 df-cleq 2033 df-clel 2036 df-nfc 2167 df-ral 2311 df-rex 2312 df-v 2559 df-un 2922 df-in 2924 df-ss 2931 df-pw 3361 df-sn 3381 df-pr 3382 df-op 3384 df-uni 3581 df-br 3765 df-opab 3819 df-xp 4351 df-rel 4352 df-cnv 4353 df-dm 4355 df-rn 4356 df-fn 4905 df-f 4906 df-f1 4907 df-dom 6223 |
This theorem is referenced by: brdomi 6230 brdom 6231 f1dom2g 6236 f1domg 6238 dom3d 6254 phplem4dom 6324 |
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