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Mirrors > Home > MPE Home > Th. List > 19.26-3an | Structured version Visualization version Unicode version |
Description: Theorem 19.26 1798 with triple conjunction. (Contributed by NM, 13-Sep-2011.) |
Ref | Expression |
---|---|
19.26-3an |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 19.26 1798 | . . 3 | |
2 | 19.26 1798 | . . . 4 | |
3 | 2 | anbi1i 731 | . . 3 |
4 | 1, 3 | bitri 264 | . 2 |
5 | df-3an 1039 | . . 3 | |
6 | 5 | albii 1747 | . 2 |
7 | df-3an 1039 | . 2 | |
8 | 4, 6, 7 | 3bitr4i 292 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wb 196 wa 384 w3a 1037 wal 1481 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 |
This theorem depends on definitions: df-bi 197 df-an 386 df-3an 1039 |
This theorem is referenced by: alrim3con13v 38743 19.21a3con13vVD 39087 |
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