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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 3211 | . . 3 | |
2 | rabss2 3230 | . . . . 5 | |
3 | ssexg 4128 | . . . . . 6 | |
4 | 3 | ex 114 | . . . . 5 |
5 | 2, 4 | syl 14 | . . . 4 |
6 | 5 | ralimdv 2538 | . . 3 |
7 | 1, 6 | syld 45 | . 2 |
8 | df-se 4318 | . 2 Se | |
9 | df-se 4318 | . 2 Se | |
10 | 7, 8, 9 | 3imtr4g 204 | 1 Se Se |
Colors of variables: wff set class |
Syntax hints: wi 4 wcel 2141 wral 2448 crab 2452 cvv 2730 wss 3121 class class class wbr 3989 Se wse 4314 |
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 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-ext 2152 ax-sep 4107 |
This theorem depends on definitions: df-bi 116 df-tru 1351 df-nf 1454 df-sb 1756 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-ral 2453 df-rab 2457 df-v 2732 df-in 3127 df-ss 3134 df-se 4318 |
This theorem is referenced by: seeq2 4325 |
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