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Mirrors > Home > NFE Home > Th. List > nsyld | Unicode version |
Description: A negated syllogism deduction. (Contributed by NM, 9-Apr-2005.) |
Ref | Expression |
---|---|
nsyld.1 | |
nsyld.2 |
Ref | Expression |
---|---|
nsyld |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nsyld.1 | . 2 | |
2 | nsyld.2 | . . 3 | |
3 | 2 | con3d 125 | . 2 |
4 | 1, 3 | syld 40 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem is referenced by: pm2.65d 166 sbn 2062 enprmaplem3 6078 nnc3n3p1 6278 |
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