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Mirrors > Home > ILE Home > Th. List > sbthlem2 | Unicode version |
Description: Lemma for isbth 6855. (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 6845 | . . . . . . . 8 |
4 | imass2 4915 | . . . . . . . 8 | |
5 | sscon 3210 | . . . . . . . 8 | |
6 | 3, 4, 5 | mp2b 8 | . . . . . . 7 |
7 | imass2 4915 | . . . . . . 7 | |
8 | sscon 3210 | . . . . . . 7 | |
9 | 6, 7, 8 | mp2b 8 | . . . . . 6 |
10 | imassrn 4892 | . . . . . . . 8 | |
11 | sstr2 3104 | . . . . . . . 8 | |
12 | 10, 11 | ax-mp 5 | . . . . . . 7 |
13 | difss 3202 | . . . . . . 7 | |
14 | ssconb 3209 | . . . . . . 7 | |
15 | 12, 13, 14 | sylancl 409 | . . . . . 6 |
16 | 9, 15 | mpbiri 167 | . . . . 5 |
17 | 16, 13 | jctil 310 | . . . 4 |
18 | 1, 13 | ssexi 4066 | . . . . 5 |
19 | sseq1 3120 | . . . . . 6 | |
20 | imaeq2 4877 | . . . . . . . . 9 | |
21 | 20 | difeq2d 3194 | . . . . . . . 8 |
22 | 21 | imaeq2d 4881 | . . . . . . 7 |
23 | difeq2 3188 | . . . . . . 7 | |
24 | 22, 23 | sseq12d 3128 | . . . . . 6 |
25 | 19, 24 | anbi12d 464 | . . . . 5 |
26 | 18, 25 | elab 2828 | . . . 4 |
27 | 17, 26 | sylibr 133 | . . 3 |
28 | 27, 2 | eleqtrrdi 2233 | . 2 |
29 | elssuni 3764 | . 2 | |
30 | 28, 29 | syl 14 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wceq 1331 wcel 1480 cab 2125 cvv 2686 cdif 3068 wss 3071 cuni 3736 crn 4540 cima 4542 |
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 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-sep 4046 ax-pow 4098 ax-pr 4131 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ral 2421 df-rex 2422 df-rab 2425 df-v 2688 df-dif 3073 df-un 3075 df-in 3077 df-ss 3084 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-br 3930 df-opab 3990 df-xp 4545 df-cnv 4547 df-dm 4549 df-rn 4550 df-res 4551 df-ima 4552 |
This theorem is referenced by: sbthlemi3 6847 |
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