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Mirrors > Home > ILE Home > Th. List > sb4a | Unicode version |
Description: A version of sb4 1753 that doesn't require a distinctor antecedent. (Contributed by NM, 2-Feb-2007.) |
Ref | Expression |
---|---|
sb4a |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sb1 1689 | . 2 | |
2 | equs5a 1715 | . 2 | |
3 | 1, 2 | syl 14 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 102 wal 1282 wex 1421 wsb 1685 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-gen 1378 ax-ie2 1423 ax-11 1437 ax-ial 1467 |
This theorem depends on definitions: df-bi 115 df-sb 1686 |
This theorem is referenced by: sb6f 1724 hbsb2a 1727 |
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