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Mirrors > Home > MPE Home > Th. List > Mathboxes > pm14.123b | Structured version Visualization version Unicode version |
Description: Theorem *14.123 in [WhiteheadRussell] p. 185. (Contributed by Andrew Salmon, 9-Jun-2011.) |
Ref | Expression |
---|---|
pm14.123b |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 2sbc5g 38617 | . . . 4 | |
2 | 1 | adantr 481 | . . 3 |
3 | nfa1 2028 | . . . . 5 | |
4 | nfa2 2040 | . . . . . 6 | |
5 | simpr 477 | . . . . . . 7 | |
6 | 2sp 2056 | . . . . . . . 8 | |
7 | 6 | ancrd 577 | . . . . . . 7 |
8 | 5, 7 | impbid2 216 | . . . . . 6 |
9 | 4, 8 | exbid 2091 | . . . . 5 |
10 | 3, 9 | exbid 2091 | . . . 4 |
11 | 10 | adantl 482 | . . 3 |
12 | 2, 11 | bitr3d 270 | . 2 |
13 | 12 | pm5.32da 673 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 wal 1481 wceq 1483 wex 1704 wcel 1990 wsbc 3435 |
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-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-v 3202 df-sbc 3436 |
This theorem is referenced by: pm14.123c 38628 |
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