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Mirrors > Home > MPE Home > Th. List > Mathboxes > bj-consensus | Structured version Visualization version Unicode version |
Description: Version of consensus 999 expressed using the conditional operator. (Remark: it may be better to express it as consensus 999, using only binary connectives, and hinting at the fact that it is a Boolean algebra identity, like the absorption identities.) (Contributed by BJ, 30-Sep-2019.) |
Ref | Expression |
---|---|
bj-consensus | if- if- |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | anifp 1020 | . . 3 if- | |
2 | 1 | bj-jaoi2 32557 | . 2 if- if- |
3 | orc 400 | . 2 if- if- | |
4 | 2, 3 | impbii 199 | 1 if- if- |
Colors of variables: wff setvar class |
Syntax hints: wb 196 wo 383 wa 384 if-wif 1012 |
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 df-an 386 df-ifp 1013 |
This theorem is referenced by: (None) |
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