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Mirrors > Home > NFE Home > Th. List > merco1lem17 | Unicode version |
Description: Used to rederive the Tarski-Bernays-Wajsberg axioms from merco1 1478. (Contributed by Anthony Hart, 18-Sep-2011.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
merco1lem17 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | merco1lem11 1492 | . . . . . 6 | |
2 | merco1lem7 1487 | . . . . . . . 8 | |
3 | merco1 1478 | . . . . . . . 8 | |
4 | 2, 3 | ax-mp 5 | . . . . . . 7 |
5 | merco1lem9 1490 | . . . . . . 7 | |
6 | 4, 5 | ax-mp 5 | . . . . . 6 |
7 | 1, 6 | ax-mp 5 | . . . . 5 |
8 | merco1 1478 | . . . . 5 | |
9 | 7, 8 | ax-mp 5 | . . . 4 |
10 | merco1lem11 1492 | . . . . . 6 | |
11 | merco1lem7 1487 | . . . . . . . 8 | |
12 | merco1 1478 | . . . . . . . 8 | |
13 | 11, 12 | ax-mp 5 | . . . . . . 7 |
14 | merco1lem9 1490 | . . . . . . 7 | |
15 | 13, 14 | ax-mp 5 | . . . . . 6 |
16 | 10, 15 | ax-mp 5 | . . . . 5 |
17 | merco1 1478 | . . . . 5 | |
18 | 16, 17 | ax-mp 5 | . . . 4 |
19 | 9, 18 | ax-mp 5 | . . 3 |
20 | merco1lem4 1484 | . . 3 | |
21 | merco1lem16 1497 | . . 3 | |
22 | 19, 20, 21 | mpsyl 59 | . 2 |
23 | merco1 1478 | . 2 | |
24 | 22, 23 | ax-mp 5 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wfal 1317 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 177 df-tru 1319 df-fal 1320 |
This theorem is referenced by: merco1lem18 1499 |
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