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Mirrors > Home > ILE Home > Th. List > vjust | Unicode version |
Description: Soundness justification theorem for df-v 2714. (Contributed by Rodolfo Medina, 27-Apr-2010.) |
Ref | Expression |
---|---|
vjust |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | equid 1681 | . . . . 5 | |
2 | 1 | sbt 1764 | . . . 4 |
3 | equid 1681 | . . . . 5 | |
4 | 3 | sbt 1764 | . . . 4 |
5 | 2, 4 | 2th 173 | . . 3 |
6 | df-clab 2144 | . . 3 | |
7 | df-clab 2144 | . . 3 | |
8 | 5, 6, 7 | 3bitr4i 211 | . 2 |
9 | 8 | eqriv 2154 | 1 |
Colors of variables: wff set class |
Syntax hints: wceq 1335 wsb 1742 wcel 2128 cab 2143 |
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 1427 ax-gen 1429 ax-ie1 1473 ax-ie2 1474 ax-8 1484 ax-4 1490 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-ext 2139 |
This theorem depends on definitions: df-bi 116 df-nf 1441 df-sb 1743 df-clab 2144 df-cleq 2150 |
This theorem is referenced by: (None) |
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