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Mirrors > Home > ILE Home > Th. List > 19.2 | Unicode version |
Description: Theorem 19.2 of [Margaris] p. 89, generalized to use two setvar variables. (Contributed by O'Cat, 31-Mar-2008.) |
Ref | Expression |
---|---|
19.2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 19.8a 1583 | . 2 | |
2 | 1 | sps 1530 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wal 1346 wex 1485 |
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-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-4 1503 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: i19.24 1632 i19.39 1633 19.34 1677 eusv2i 4438 |
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