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Mirrors > Home > ILE Home > Th. List > neqne | Unicode version |
Description: From non equality to inequality. (Contributed by Glauco Siliprandi, 11-Dec-2019.) |
Ref | Expression |
---|---|
neqne |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | id 19 | . 2 | |
2 | 1 | neqned 2213 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wceq 1243 wne 2204 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 |
This theorem depends on definitions: df-bi 110 df-ne 2206 |
This theorem is referenced by: (None) |
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