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Mirrors > Home > ILE Home > Th. List > pm3.44 | Unicode version |
Description: Theorem *3.44 of [WhiteheadRussell] p. 113. (Contributed by NM, 3-Jan-2005.) (Proof shortened by Wolf Lammen, 3-Oct-2013.) |
Ref | Expression |
---|---|
pm3.44 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | jaob 663 | . 2 | |
2 | 1 | biimpri 131 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 102 wo 661 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-io 662 |
This theorem depends on definitions: df-bi 115 |
This theorem is referenced by: jaoi 668 jao 704 pm2.6dc 792 pm4.83dc 892 |
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