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Mirrors > Home > MPE Home > Th. List > pm2.61danel | Structured version Visualization version Unicode version |
Description: Deduction eliminating an elementhood in an antecedent. (Contributed by AV, 5-Dec-2021.) |
Ref | Expression |
---|---|
pm2.61danel.1 | |
pm2.61danel.2 |
Ref | Expression |
---|---|
pm2.61danel |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pm2.61danel.1 | . 2 | |
2 | df-nel 2898 | . . 3 | |
3 | pm2.61danel.2 | . . 3 | |
4 | 2, 3 | sylan2br 493 | . 2 |
5 | 1, 4 | pm2.61dan 832 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wa 384 wcel 1990 wnel 2897 |
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 197 df-an 386 df-nel 2898 |
This theorem is referenced by: nsnlpligALT 27334 n0lpligALT 27336 |
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