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Mirrors > Home > NFE Home > Th. List > sylan2i | Unicode version |
Description: A syllogism inference. (Contributed by NM, 1-Aug-1994.) |
Ref | Expression |
---|---|
sylan2i.1 | |
sylan2i.2 |
Ref | Expression |
---|---|
sylan2i |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sylan2i.1 | . . 3 | |
2 | 1 | a1i 10 | . 2 |
3 | sylan2i.2 | . 2 | |
4 | 2, 3 | sylan2d 468 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 358 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 177 df-an 360 |
This theorem is referenced by: syl2ani 637 |
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