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| Mirrors > Home > ILE Home > Th. List > sbthlem7 | Unicode version | ||
| Description: Lemma for isbth 7095. (Contributed by NM, 27-Mar-1998.) |
| Ref | Expression |
|---|---|
| sbthlem.1 |
|
| sbthlem.2 |
|
| sbthlem.3 |
|
| Ref | Expression |
|---|---|
| sbthlem7 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | funres 5331 |
. . 3
| |
| 2 | funres 5331 |
. . 3
| |
| 3 | dmres 4999 |
. . . . . . . . 9
| |
| 4 | inss1 3401 |
. . . . . . . . 9
| |
| 5 | 3, 4 | eqsstri 3233 |
. . . . . . . 8
|
| 6 | ssrin 3406 |
. . . . . . . 8
| |
| 7 | 5, 6 | ax-mp 5 |
. . . . . . 7
|
| 8 | dmres 4999 |
. . . . . . . . 9
| |
| 9 | inss1 3401 |
. . . . . . . . 9
| |
| 10 | 8, 9 | eqsstri 3233 |
. . . . . . . 8
|
| 11 | sslin 3407 |
. . . . . . . 8
| |
| 12 | 10, 11 | ax-mp 5 |
. . . . . . 7
|
| 13 | 7, 12 | sstri 3210 |
. . . . . 6
|
| 14 | disjdif 3541 |
. . . . . 6
| |
| 15 | 13, 14 | sseqtri 3235 |
. . . . 5
|
| 16 | ss0 3509 |
. . . . 5
| |
| 17 | 15, 16 | ax-mp 5 |
. . . 4
|
| 18 | funun 5334 |
. . . 4
| |
| 19 | 17, 18 | mpan2 425 |
. . 3
|
| 20 | 1, 2, 19 | syl2an 289 |
. 2
|
| 21 | sbthlem.3 |
. . 3
| |
| 22 | 21 | funeqi 5311 |
. 2
|
| 23 | 20, 22 | sylibr 134 |
1
|
| 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-in1 615 ax-in2 616 ax-io 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-14 2181 ax-ext 2189 ax-sep 4178 ax-pow 4234 ax-pr 4269 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2194 df-cleq 2200 df-clel 2203 df-nfc 2339 df-ral 2491 df-rex 2492 df-v 2778 df-dif 3176 df-un 3178 df-in 3180 df-ss 3187 df-nul 3469 df-pw 3628 df-sn 3649 df-pr 3650 df-op 3652 df-br 4060 df-opab 4122 df-id 4358 df-xp 4699 df-rel 4700 df-cnv 4701 df-co 4702 df-dm 4703 df-res 4705 df-fun 5292 |
| This theorem is referenced by: sbthlemi9 7093 |
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