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Mirrors > Home > ILE Home > Th. List > nsyl3 | Unicode version |
Description: A negated syllogism inference. (Contributed by NM, 1-Dec-1995.) (Revised by NM, 13-Jun-2013.) |
Ref | Expression |
---|---|
nsyl3.1 |
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nsyl3.2 |
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Ref | Expression |
---|---|
nsyl3 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nsyl3.2 |
. 2
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2 | nsyl3.1 |
. . 3
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3 | 2 | a1i 9 |
. 2
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4 | 1, 3 | mt2d 615 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-in1 604 ax-in2 605 |
This theorem is referenced by: con2i 617 nsyl 618 pm2.65i 629 cesare 2104 cesaro 2108 pwnss 4091 sucprcreg 4472 reg3exmidlemwe 4501 reldmtpos 6158 snexxph 6846 elfi2 6868 ismkvnex 7037 fzn 9853 seq3f1olemqsum 10304 |
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