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Mirrors > Home > MPE Home > Th. List > pm13.181 | Structured version Visualization version Unicode version |
Description: Theorem *13.181 in [WhiteheadRussell] p. 178. (Contributed by Andrew Salmon, 3-Jun-2011.) |
Ref | Expression |
---|---|
pm13.181 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqcom 2629 | . 2 | |
2 | pm13.18 2875 | . 2 | |
3 | 1, 2 | sylanb 489 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 wceq 1483 wne 2794 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-an 386 df-ex 1705 df-cleq 2615 df-ne 2795 |
This theorem is referenced by: fzprval 12401 frgrwopreglem5a 27175 ax6e2ndeqALT 39167 |
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