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Mirrors > Home > MPE Home > Th. List > r19.23t | Structured version Visualization version Unicode version |
Description: Closed theorem form of r19.23 3022. (Contributed by NM, 4-Mar-2013.) (Revised by Mario Carneiro, 8-Oct-2016.) |
Ref | Expression |
---|---|
r19.23t |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 19.23t 2079 | . 2 | |
2 | df-ral 2917 | . . 3 | |
3 | impexp 462 | . . . 4 | |
4 | 3 | albii 1747 | . . 3 |
5 | 2, 4 | bitr4i 267 | . 2 |
6 | df-rex 2918 | . . 3 | |
7 | 6 | imbi1i 339 | . 2 |
8 | 1, 5, 7 | 3bitr4g 303 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 wal 1481 wex 1704 wnf 1708 wcel 1990 wral 2912 wrex 2913 |
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-12 2047 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-ex 1705 df-nf 1710 df-ral 2917 df-rex 2918 |
This theorem is referenced by: r19.23 3022 rexlimd2 3025 riotasv3d 34246 |
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