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Mirrors > Home > ILE Home > Th. List > df-ne | Unicode version |
Description: Define inequality. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
df-ne |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cA | . . 3 | |
2 | cB | . . 3 | |
3 | 1, 2 | wne 2335 | . 2 |
4 | 1, 2 | wceq 1343 | . . 3 |
5 | 4 | wn 3 | . 2 |
6 | 3, 5 | wb 104 | 1 |
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