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Mirrors > Home > ILE Home > Th. List > pm2.83 | Unicode version |
Description: Theorem *2.83 of [WhiteheadRussell] p. 108. (Contributed by NM, 3-Jan-2005.) |
Ref | Expression |
---|---|
pm2.83 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | imim1 70 | . 2 | |
2 | 1 | imim3i 55 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 |
This theorem is referenced by: (None) |
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