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Mirrors > Home > MPE Home > Th. List > nne | Structured version Visualization version Unicode version |
Description: Negation of inequality. (Contributed by NM, 9-Jun-2006.) |
Ref | Expression |
---|---|
nne |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ne 2635 |
. . 3
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2 | 1 | con2bii 338 |
. 2
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3 | 2 | bicomi 207 |
1
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