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Mirrors > Home > ILE Home > Th. List > hbra1 | Unicode version |
Description: is not free in . (Contributed by NM, 18-Oct-1996.) |
Ref | Expression |
---|---|
hbra1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ral 2353 | . 2 | |
2 | hba1 1473 | . 2 | |
3 | 1, 2 | hbxfrbi 1401 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wal 1282 wcel 1433 wral 2348 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-5 1376 ax-gen 1378 ax-ial 1467 |
This theorem depends on definitions: df-bi 115 df-ral 2353 |
This theorem is referenced by: (None) |
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