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Mirrors > Home > MPE Home > Th. List > 19.36v | Structured version Visualization version Unicode version |
Description: Version of 19.36 2098 with a dv condition instead of a non-freeness hypothesis. (Contributed by NM, 18-Aug-1993.) Reduce dependencies on axioms. (Revised by Wolf Lammen, 17-Jan-2020.) |
Ref | Expression |
---|---|
19.36v |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 19.35 1805 | . 2 | |
2 | 19.9v 1896 | . . 3 | |
3 | 2 | imbi2i 326 | . 2 |
4 | 1, 3 | bitri 264 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wal 1481 wex 1704 |
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 |
This theorem depends on definitions: df-bi 197 df-ex 1705 |
This theorem is referenced by: 19.36iv 1905 19.12vvv 1907 19.12vv 2180 ax13lem2 2296 axext2 2603 vtocl2 3261 vtocl3 3262 bnj1090 31047 bj-spimvwt 32656 bj-spcimdv 32884 bj-spcimdvv 32885 19.36vv 38582 |
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