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Mirrors > Home > NFE Home > Th. List > neeq2d | Unicode version |
Description: Deduction for inequality. (Contributed by NM, 25-Oct-1999.) |
Ref | Expression |
---|---|
neeq1d.1 |
Ref | Expression |
---|---|
neeq2d |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | neeq1d.1 | . 2 | |
2 | neeq2 2525 | . 2 | |
3 | 1, 2 | syl 15 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 176 wceq 1642 wne 2516 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1546 ax-5 1557 ax-17 1616 ax-9 1654 ax-8 1675 ax-11 1746 ax-ext 2334 |
This theorem depends on definitions: df-bi 177 df-ex 1542 df-cleq 2346 df-ne 2518 |
This theorem is referenced by: neeq12d 2531 neeqtrd 2538 evenodddisj 4516 |
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