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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 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssralv 3312 |
. . 3
| |
| 2 | rabss2 3331 |
. . . . 5
| |
| 3 | ssexg 4267 |
. . . . . 6
| |
| 4 | 3 | ex 115 |
. . . . 5
|
| 5 | 2, 4 | syl 14 |
. . . 4
|
| 6 | 5 | ralimdv 2618 |
. . 3
|
| 7 | 1, 6 | syld 45 |
. 2
|
| 8 | df-se 4473 |
. 2
| |
| 9 | df-se 4473 |
. 2
| |
| 10 | 7, 8, 9 | 3imtr4g 205 |
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-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 ax-sep 4244 |
| This theorem depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rab 2537 df-v 2823 df-in 3226 df-ss 3233 df-se 4473 |
| This theorem is referenced by: seeq2 4480 |
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