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Mirrors > Home > ILE Home > Th. List > exbidh | Unicode version |
Description: Formula-building rule for existential quantifier (deduction form). (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
exbidh.1 | |
exbidh.2 |
Ref | Expression |
---|---|
exbidh |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | exbidh.1 | . . 3 | |
2 | exbidh.2 | . . 3 | |
3 | 1, 2 | alrimih 1456 | . 2 |
4 | exbi 1591 | . 2 | |
5 | 3, 4 | syl 14 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wb 104 wal 1340 wex 1479 |
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 1434 ax-gen 1436 ax-ie1 1480 ax-ie2 1481 ax-4 1497 ax-ial 1521 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: exbid 1603 drex2 1719 drex1 1785 exbidv 1812 mobidh 2047 |
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