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Mirrors > Home > ILE Home > Th. List > issetri | Unicode version |
Description: A way to say " is a set" (inference rule). (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
issetri.1 |
Ref | Expression |
---|---|
issetri |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | issetri.1 | . 2 | |
2 | isset 2561 | . 2 | |
3 | 1, 2 | mpbir 134 | 1 |
Colors of variables: wff set class |
Syntax hints: wceq 1243 wex 1381 wcel 1393 cvv 2557 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-5 1336 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-4 1400 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-ext 2022 |
This theorem depends on definitions: df-bi 110 df-sb 1646 df-clab 2027 df-cleq 2033 df-clel 2036 df-v 2559 |
This theorem is referenced by: 0ex 3884 inex1 3891 pwex 3932 zfpair2 3945 uniex 4174 bdinex1 10019 bj-zfpair2 10030 bj-uniex 10037 bj-omex2 10102 |
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