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Mirrors > Home > ILE Home > Th. List > nexd | Unicode version |
Description: Deduction for generalization rule for negated wff. (Contributed by NM, 2-Jan-2002.) |
Ref | Expression |
---|---|
nexd.1 |
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nexd.2 |
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Ref | Expression |
---|---|
nexd |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nexd.1 |
. . 3
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2 | nexd.2 |
. . 3
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3 | 1, 2 | alrimih 1446 |
. 2
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4 | alnex 1476 |
. 2
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5 | 3, 4 | sylib 121 |
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-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-5 1424 ax-gen 1426 ax-ie2 1471 |
This theorem depends on definitions: df-bi 116 df-tru 1335 df-fal 1338 |
This theorem is referenced by: nexdv 1909 |
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