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| Mirrors > Home > ILE Home > Th. List > sbthlem2 | Unicode version | ||
| Description: Lemma for isbth 7165. (Contributed by NM, 22-Mar-1998.) |
| Ref | Expression |
|---|---|
| sbthlem.1 |
|
| sbthlem.2 |
|
| Ref | Expression |
|---|---|
| sbthlem2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sbthlem.1 |
. . . . . . . . 9
| |
| 2 | sbthlem.2 |
. . . . . . . . 9
| |
| 3 | 1, 2 | sbthlem1 7155 |
. . . . . . . 8
|
| 4 | imass2 5112 |
. . . . . . . 8
| |
| 5 | sscon 3341 |
. . . . . . . 8
| |
| 6 | 3, 4, 5 | mp2b 8 |
. . . . . . 7
|
| 7 | imass2 5112 |
. . . . . . 7
| |
| 8 | sscon 3341 |
. . . . . . 7
| |
| 9 | 6, 7, 8 | mp2b 8 |
. . . . . 6
|
| 10 | imassrn 5087 |
. . . . . . . 8
| |
| 11 | sstr2 3234 |
. . . . . . . 8
| |
| 12 | 10, 11 | ax-mp 5 |
. . . . . . 7
|
| 13 | difss 3333 |
. . . . . . 7
| |
| 14 | ssconb 3340 |
. . . . . . 7
| |
| 15 | 12, 13, 14 | sylancl 413 |
. . . . . 6
|
| 16 | 9, 15 | mpbiri 168 |
. . . . 5
|
| 17 | 16, 13 | jctil 312 |
. . . 4
|
| 18 | 1, 13 | ssexi 4227 |
. . . . 5
|
| 19 | sseq1 3250 |
. . . . . 6
| |
| 20 | imaeq2 5072 |
. . . . . . . . 9
| |
| 21 | 20 | difeq2d 3325 |
. . . . . . . 8
|
| 22 | 21 | imaeq2d 5076 |
. . . . . . 7
|
| 23 | difeq2 3319 |
. . . . . . 7
| |
| 24 | 22, 23 | sseq12d 3258 |
. . . . . 6
|
| 25 | 19, 24 | anbi12d 473 |
. . . . 5
|
| 26 | 18, 25 | elab 2950 |
. . . 4
|
| 27 | 17, 26 | sylibr 134 |
. . 3
|
| 28 | 27, 2 | eleqtrrdi 2325 |
. 2
|
| 29 | elssuni 3921 |
. 2
| |
| 30 | 28, 29 | syl 14 |
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 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ral 2515 df-rex 2516 df-rab 2519 df-v 2804 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-br 4089 df-opab 4151 df-xp 4731 df-cnv 4733 df-dm 4735 df-rn 4736 df-res 4737 df-ima 4738 |
| This theorem is referenced by: sbthlemi3 7157 |
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