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Mirrors > Home > ILE Home > Th. List > cbval2v | Unicode version |
Description: Rule used to change bound variables, using implicit substitution. (Contributed by NM, 4-Feb-2005.) |
Ref | Expression |
---|---|
cbval2v.1 |
Ref | Expression |
---|---|
cbval2v |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfv 1461 | . 2 | |
2 | nfv 1461 | . 2 | |
3 | nfv 1461 | . 2 | |
4 | nfv 1461 | . 2 | |
5 | cbval2v.1 | . 2 | |
6 | 1, 2, 3, 4, 5 | cbval2 1837 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 102 wb 103 wal 1282 |
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-ie1 1422 ax-ie2 1423 ax-8 1435 ax-4 1440 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 |
This theorem depends on definitions: df-bi 115 df-nf 1390 |
This theorem is referenced by: (None) |
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