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Mirrors > Home > MPE Home > Th. List > pm4.57 | Structured version Visualization version Unicode version |
Description: Theorem *4.57 of [WhiteheadRussell] p. 120. (Contributed by NM, 3-Jan-2005.) |
Ref | Expression |
---|---|
pm4.57 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | oran 517 | . 2 | |
2 | 1 | bicomi 214 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wb 196 wo 383 wa 384 |
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 |
This theorem is referenced by: gcdaddmlem 15245 arg-ax 32415 tsbi2 33941 |
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