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Mirrors > Home > ILE Home > Th. List > sbthlem7 | Unicode version |
Description: Lemma for isbth 6863. (Contributed by NM, 27-Mar-1998.) |
Ref | Expression |
---|---|
sbthlem.1 |
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sbthlem.2 |
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sbthlem.3 |
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Ref | Expression |
---|---|
sbthlem7 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | funres 5172 |
. . 3
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2 | funres 5172 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
3 | dmres 4848 |
. . . . . . . . 9
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4 | inss1 3301 |
. . . . . . . . 9
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5 | 3, 4 | eqsstri 3134 |
. . . . . . . 8
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6 | ssrin 3306 |
. . . . . . . 8
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7 | 5, 6 | ax-mp 5 |
. . . . . . 7
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8 | dmres 4848 |
. . . . . . . . 9
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9 | inss1 3301 |
. . . . . . . . 9
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10 | 8, 9 | eqsstri 3134 |
. . . . . . . 8
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11 | sslin 3307 |
. . . . . . . 8
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12 | 10, 11 | ax-mp 5 |
. . . . . . 7
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13 | 7, 12 | sstri 3111 |
. . . . . 6
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14 | disjdif 3440 |
. . . . . 6
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15 | 13, 14 | sseqtri 3136 |
. . . . 5
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16 | ss0 3408 |
. . . . 5
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17 | 15, 16 | ax-mp 5 |
. . . 4
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18 | funun 5175 |
. . . 4
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19 | 17, 18 | mpan2 422 |
. . 3
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20 | 1, 2, 19 | syl2an 287 |
. 2
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21 | sbthlem.3 |
. . 3
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22 | 21 | funeqi 5152 |
. 2
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23 | 20, 22 | sylibr 133 |
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 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-10 1484 ax-11 1485 ax-i12 1486 ax-bndl 1487 ax-4 1488 ax-14 1493 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 ax-sep 4054 ax-pow 4106 ax-pr 4139 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-tru 1335 df-nf 1438 df-sb 1737 df-eu 2003 df-mo 2004 df-clab 2127 df-cleq 2133 df-clel 2136 df-nfc 2271 df-ral 2422 df-rex 2423 df-v 2691 df-dif 3078 df-un 3080 df-in 3082 df-ss 3089 df-nul 3369 df-pw 3517 df-sn 3538 df-pr 3539 df-op 3541 df-br 3938 df-opab 3998 df-id 4223 df-xp 4553 df-rel 4554 df-cnv 4555 df-co 4556 df-dm 4557 df-res 4559 df-fun 5133 |
This theorem is referenced by: sbthlemi9 6861 |
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