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Mirrors > Home > MPE Home > Th. List > pm3.14 | Unicode version |
Description: Theorem *3.14 of [WhiteheadRussell] p. 111. (Contributed by NM, 3-Jan-2005.) |
Ref | Expression |
---|---|
pm3.14 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pm3.1 498 | . 2 | |
2 | 1 | con2i 120 | 1 |
Colors of variables: wff setvar class |
Syntax hints: -. wn 3 -> wi 4
\/ wo 368 /\ wa 369 |
This theorem is referenced by: naim1 29850 naim2 29851 tsan2 30549 tsan3 30550 |
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 185 df-or 370 df-an 371 |
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