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Mirrors > Home > ILE Home > Th. List > rexbidv | Unicode version |
Description: Formula-building rule for restricted existential quantifier (deduction form). (Contributed by NM, 20-Nov-1994.) |
Ref | Expression |
---|---|
ralbidv.1 |
Ref | Expression |
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rexbidv |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfv 1521 | . 2 | |
2 | ralbidv.1 | . 2 | |
3 | 1, 2 | rexbid 2469 | 1 |
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