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Mirrors > Home > ILE Home > Th. List > hbral | Unicode version |
Description: Bound-variable hypothesis builder for restricted quantification. (Contributed by NM, 1-Sep-1999.) (Revised by David Abernethy, 13-Dec-2009.) |
Ref | Expression |
---|---|
hbral.1 | |
hbral.2 |
Ref | Expression |
---|---|
hbral |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ral 2353 | . 2 | |
2 | hbral.1 | . . . 4 | |
3 | hbral.2 | . . . 4 | |
4 | 2, 3 | hbim 1477 | . . 3 |
5 | 4 | hbal 1406 | . 2 |
6 | 1, 5 | 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-7 1377 ax-gen 1378 ax-4 1440 ax-i5r 1468 |
This theorem depends on definitions: df-bi 115 df-ral 2353 |
This theorem is referenced by: (None) |
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