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Mirrors > Home > NFE Home > Th. List > neneqd | Unicode version |
Description: Deduction eliminating inequality definition. (Contributed by Jonathan Ben-Naim, 3-Jun-2011.) |
Ref | Expression |
---|---|
neneqd.1 |
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Ref | Expression |
---|---|
neneqd |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | neneqd.1 |
. 2
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2 | df-ne 2519 |
. 2
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3 | 1, 2 | sylib 188 |
1
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Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 177 df-ne 2519 |
This theorem is referenced by: necon2bi 2563 necon2i 2564 pm2.21ddne 2591 nulnnn 4557 enprmaplem3 6079 |
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