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Mirrors > Home > MPE Home > Th. List > neeq1d | Structured version Visualization version Unicode version |
Description: Deduction for inequality. (Contributed by NM, 25-Oct-1999.) (Proof shortened by Wolf Lammen, 19-Nov-2019.) |
Ref | Expression |
---|---|
neeq1d.1 |
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Ref | Expression |
---|---|
neeq1d |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | neeq1d.1 |
. . 3
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2 | 1 | eqeq1d 2453 |
. 2
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3 | 2 | necon3bid 2668 |
1
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