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Mirrors > Home > ILE Home > Th. List > 3exbidv | Unicode version |
Description: Formula-building rule for 3 existential quantifiers (deduction form). (Contributed by NM, 1-May-1995.) |
Ref | Expression |
---|---|
3exbidv.1 |
Ref | Expression |
---|---|
3exbidv |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3exbidv.1 | . . 3 | |
2 | 1 | exbidv 1818 | . 2 |
3 | 2 | 2exbidv 1861 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wb 104 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-5 1440 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-4 1503 ax-17 1519 ax-ial 1527 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: ceqsex6v 2774 euotd 4237 oprabid 5882 eloprabga 5937 eloprabi 6172 |
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