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Mirrors > Home > NFE Home > Th. List > hbxfreq | Unicode version |
Description: A utility lemma to transfer a bound-variable hypothesis builder into a definition. See hbxfrbi 1568 for equivalence version. (Contributed by NM, 21-Aug-2007.) |
Ref | Expression |
---|---|
hbxfr.1 | |
hbxfr.2 |
Ref | Expression |
---|---|
hbxfreq |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | hbxfr.1 | . . 3 | |
2 | 1 | eleq2i 2417 | . 2 |
3 | hbxfr.2 | . 2 | |
4 | 2, 3 | hbxfrbi 1568 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wal 1540 wceq 1642 wcel 1710 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1546 ax-5 1557 ax-17 1616 ax-9 1654 ax-8 1675 ax-11 1746 ax-ext 2334 |
This theorem depends on definitions: df-bi 177 df-an 360 df-ex 1542 df-cleq 2346 df-clel 2349 |
This theorem is referenced by: hboprab1 5559 hboprab2 5560 hboprab3 5561 hboprab 5562 |
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