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Mirrors > Home > ILE Home > Th. List > vjust | Unicode version |
Description: Soundness justification theorem for df-v 2603. (Contributed by Rodolfo Medina, 27-Apr-2010.) |
Ref | Expression |
---|---|
vjust |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | equid 1629 | . . . . 5 | |
2 | 1 | sbt 1707 | . . . 4 |
3 | equid 1629 | . . . . 5 | |
4 | 3 | sbt 1707 | . . . 4 |
5 | 2, 4 | 2th 172 | . . 3 |
6 | df-clab 2068 | . . 3 | |
7 | df-clab 2068 | . . 3 | |
8 | 5, 6, 7 | 3bitr4i 210 | . 2 |
9 | 8 | eqriv 2078 | 1 |
Colors of variables: wff set class |
Syntax hints: wceq 1284 wcel 1433 wsb 1685 cab 2067 |
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-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-4 1440 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-ext 2063 |
This theorem depends on definitions: df-bi 115 df-nf 1390 df-sb 1686 df-clab 2068 df-cleq 2074 |
This theorem is referenced by: (None) |
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