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Mirrors > Home > NFE Home > Th. List > vtocle | Unicode version |
Description: Implicit substitution of a class for a setvar variable. (Contributed by NM, 9-Sep-1993.) |
Ref | Expression |
---|---|
vtocle.1 | |
vtocle.2 |
Ref | Expression |
---|---|
vtocle |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | vtocle.1 | . 2 | |
2 | vtocle.2 | . . 3 | |
3 | 2 | vtocleg 2925 | . 2 |
4 | 1, 3 | ax-mp 5 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wceq 1642 wcel 1710 cvv 2859 |
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-sb 1649 df-clab 2340 df-cleq 2346 df-clel 2349 df-v 2861 |
This theorem is referenced by: (None) |
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