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Mirrors > Home > NFE Home > Th. List > pm2.07 | Unicode version |
Description: Theorem *2.07 of [WhiteheadRussell] p. 101. (Contributed by NM, 3-Jan-2005.) |
Ref | Expression |
---|---|
pm2.07 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | olc 373 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wo 357 |
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 177 df-or 359 |
This theorem is referenced by: oridm 500 |
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