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Mirrors > Home > MPE Home > Th. List > rblem4 | Structured version Visualization version Unicode version |
Description: Used to rederive the Lukasiewicz axioms from Russell-Bernays'. (Contributed by Anthony Hart, 18-Aug-2011.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
rblem4.1 | |
rblem4.2 | |
rblem4.3 |
Ref | Expression |
---|---|
rblem4 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rblem4.3 | . . . 4 | |
2 | rblem4.2 | . . . 4 | |
3 | 1, 2 | rblem1 1682 | . . 3 |
4 | rblem4.1 | . . 3 | |
5 | 3, 4 | rblem1 1682 | . 2 |
6 | rb-ax2 1678 | . . . 4 | |
7 | rb-ax2 1678 | . . . . . 6 | |
8 | rb-ax1 1677 | . . . . . 6 | |
9 | 7, 8 | anmp 1676 | . . . . 5 |
10 | rb-ax2 1678 | . . . . 5 | |
11 | 9, 10 | rbsyl 1681 | . . . 4 |
12 | 6, 11 | rbsyl 1681 | . . 3 |
13 | rb-ax4 1680 | . . . 4 | |
14 | rb-ax2 1678 | . . . . . 6 | |
15 | rblem2 1683 | . . . . . 6 | |
16 | 14, 15 | rbsyl 1681 | . . . . 5 |
17 | rb-ax3 1679 | . . . . . 6 | |
18 | rblem2 1683 | . . . . . 6 | |
19 | 17, 18 | anmp 1676 | . . . . 5 |
20 | 16, 19 | rblem1 1682 | . . . 4 |
21 | 13, 20 | rbsyl 1681 | . . 3 |
22 | 12, 21 | rbsyl 1681 | . 2 |
23 | 5, 22 | rbsyl 1681 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wo 383 |
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 197 df-or 385 df-an 386 |
This theorem is referenced by: re2luk1 1690 |
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