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Mirrors > Home > ILE Home > Th. List > vjust | Unicode version |
Description: Soundness justification theorem for df-v 2732. (Contributed by Rodolfo Medina, 27-Apr-2010.) |
Ref | Expression |
---|---|
vjust |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | equid 1694 | . . . . 5 | |
2 | 1 | sbt 1777 | . . . 4 |
3 | equid 1694 | . . . . 5 | |
4 | 3 | sbt 1777 | . . . 4 |
5 | 2, 4 | 2th 173 | . . 3 |
6 | df-clab 2157 | . . 3 | |
7 | df-clab 2157 | . . 3 | |
8 | 5, 6, 7 | 3bitr4i 211 | . 2 |
9 | 8 | eqriv 2167 | 1 |
Colors of variables: wff set class |
Syntax hints: wceq 1348 wsb 1755 wcel 2141 cab 2156 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1440 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-ext 2152 |
This theorem depends on definitions: df-bi 116 df-nf 1454 df-sb 1756 df-clab 2157 df-cleq 2163 |
This theorem is referenced by: (None) |
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