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Mirrors > Home > ILE Home > Th. List > pm2.24 | Unicode version |
Description: Theorem *2.24 of [WhiteheadRussell] p. 104. (Contributed by NM, 3-Jan-2005.) |
Ref | Expression |
---|---|
pm2.24 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pm2.21 547 | . 2 | |
2 | 1 | com12 27 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-in2 545 |
This theorem is referenced by: pm2.24d 552 pm2.53 641 pm2.82 725 pm4.81dc 814 dedlema 876 alexim 1536 sotritric 4061 ltxrlt 7085 zltnle 8291 elfzonlteqm1 9066 qltnle 9101 |
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