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Mirrors > Home > MPE Home > Th. List > rb-imdf | Structured version Visualization version Unicode version |
Description: The definition of implication, in terms of and . (Contributed by Anthony Hart, 17-Aug-2011.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
rb-imdf |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | imor 428 | . 2 | |
2 | rb-bijust 1674 | . 2 | |
3 | 1, 2 | mpbi 220 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wb 196 wo 383 |
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-or 385 |
This theorem is referenced by: re1axmp 1689 re2luk1 1690 re2luk2 1691 re2luk3 1692 |
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