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Mirrors > Home > ILE Home > Th. List > sylancbr | Unicode version |
Description: A syllogism inference combined with contraction. (Contributed by NM, 3-Sep-2004.) |
Ref | Expression |
---|---|
sylancbr.1 | |
sylancbr.2 | |
sylancbr.3 |
Ref | Expression |
---|---|
sylancbr |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sylancbr.1 | . . 3 | |
2 | sylancbr.2 | . . 3 | |
3 | sylancbr.3 | . . 3 | |
4 | 1, 2, 3 | syl2anbr 286 | . 2 |
5 | 4 | anidms 389 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 102 wb 103 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 |
This theorem depends on definitions: df-bi 115 |
This theorem is referenced by: (None) |
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