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Mirrors > Home > ILE Home > Th. List > necon3abii | Unicode version |
Description: Deduction from equality to inequality. (Contributed by NM, 9-Nov-2007.) |
Ref | Expression |
---|---|
necon3abii.1 |
Ref | Expression |
---|---|
necon3abii |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ne 2286 | . 2 | |
2 | necon3abii.1 | . 2 | |
3 | 1, 2 | xchbinx 656 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wb 104 wceq 1316 wne 2285 |
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 588 ax-in2 589 |
This theorem depends on definitions: df-bi 116 df-ne 2286 |
This theorem is referenced by: necon3bbii 2322 necon3bii 2323 nesym 2330 n0rf 3345 gcd0id 11594 |
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