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Mirrors > Home > ILE Home > Th. List > hbab1 | Unicode version |
Description: Bound-variable hypothesis builder for a class abstraction. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
hbab1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-clab 2126 | . 2 | |
2 | hbs1 1911 | . 2 | |
3 | 1, 2 | hbxfrbi 1448 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wal 1329 wcel 1480 wsb 1735 cab 2125 |
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-8 1482 ax-11 1484 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 |
This theorem depends on definitions: df-bi 116 df-sb 1736 df-clab 2126 |
This theorem is referenced by: nfsab1 2129 abeq2 2248 |
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