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Mirrors > Home > ILE Home > Th. List > sess2 | Unicode version |
Description: Subset theorem for the set-like predicate. (Contributed by Mario Carneiro, 24-Jun-2015.) |
Ref | Expression |
---|---|
sess2 | Se Se |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssralv 3201 | . . 3 | |
2 | rabss2 3220 | . . . . 5 | |
3 | ssexg 4115 | . . . . . 6 | |
4 | 3 | ex 114 | . . . . 5 |
5 | 2, 4 | syl 14 | . . . 4 |
6 | 5 | ralimdv 2532 | . . 3 |
7 | 1, 6 | syld 45 | . 2 |
8 | df-se 4305 | . 2 Se | |
9 | df-se 4305 | . 2 Se | |
10 | 7, 8, 9 | 3imtr4g 204 | 1 Se Se |
Colors of variables: wff set class |
Syntax hints: wi 4 wcel 2135 wral 2442 crab 2446 cvv 2721 wss 3111 class class class wbr 3976 Se wse 4301 |
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-io 699 ax-5 1434 ax-7 1435 ax-gen 1436 ax-ie1 1480 ax-ie2 1481 ax-8 1491 ax-10 1492 ax-11 1493 ax-i12 1494 ax-bndl 1496 ax-4 1497 ax-17 1513 ax-i9 1517 ax-ial 1521 ax-i5r 1522 ax-ext 2146 ax-sep 4094 |
This theorem depends on definitions: df-bi 116 df-tru 1345 df-nf 1448 df-sb 1750 df-clab 2151 df-cleq 2157 df-clel 2160 df-nfc 2295 df-ral 2447 df-rab 2451 df-v 2723 df-in 3117 df-ss 3124 df-se 4305 |
This theorem is referenced by: seeq2 4312 |
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