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Mirrors > Home > MPE Home > Th. List > Mathboxes > nabi2i | Structured version Visualization version Unicode version |
Description: Constructor rule for . (Contributed by Anthony Hart, 2-Sep-2011.) |
Ref | Expression |
---|---|
nabi2i.1 | |
nabi2i.2 |
Ref | Expression |
---|---|
nabi2i |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nabi2i.2 | . 2 | |
2 | nabi2i.1 | . . . 4 | |
3 | 2 | bicomi 214 | . . 3 |
4 | 3 | nanbi2i 1459 | . 2 |
5 | 1, 4 | mpbi 220 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wb 196 wnan 1447 |
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-nan 1448 |
This theorem is referenced by: nabi12i 32393 |
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