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Mirrors > Home > ILE Home > Th. List > eubidv | Unicode version |
Description: Formula-building rule for unique existential quantifier (deduction form). (Contributed by NM, 9-Jul-1994.) |
Ref | Expression |
---|---|
eubidv.1 |
Ref | Expression |
---|---|
eubidv |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfv 1508 | . 2 | |
2 | eubidv.1 | . 2 | |
3 | 1, 2 | eubid 2004 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wb 104 weu 1997 |
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 1423 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-4 1487 ax-17 1506 ax-ial 1514 |
This theorem depends on definitions: df-bi 116 df-nf 1437 df-eu 2000 |
This theorem is referenced by: eubii 2006 eueq2dc 2852 eueq3dc 2853 reuhypd 4387 feu 5300 funfveu 5427 dff4im 5559 acexmid 5766 upxp 12430 dedekindicc 12769 |
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