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Mirrors > Home > ILE Home > Th. List > vtoclb | Unicode version |
Description: Implicit substitution of a class for a setvar variable. (Contributed by NM, 23-Dec-1993.) |
Ref | Expression |
---|---|
vtoclb.1 | |
vtoclb.2 | |
vtoclb.3 | |
vtoclb.4 |
Ref | Expression |
---|---|
vtoclb |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | vtoclb.1 | . 2 | |
2 | vtoclb.2 | . . 3 | |
3 | vtoclb.3 | . . 3 | |
4 | 2, 3 | bibi12d 224 | . 2 |
5 | vtoclb.4 | . 2 | |
6 | 1, 4, 5 | vtocl 2608 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wb 98 wceq 1243 wcel 1393 cvv 2557 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-5 1336 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-4 1400 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-ext 2022 |
This theorem depends on definitions: df-bi 110 df-nf 1350 df-sb 1646 df-clab 2027 df-cleq 2033 df-clel 2036 df-v 2559 |
This theorem is referenced by: alexeq 2670 sbss 3329 |
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