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Mirrors > Home > QLE Home > Th. List > 3vded12 | Unicode version |
Description: A 3-variable theorem. Experiment with weak deduction theorem. |
Ref | Expression |
---|---|
3vded12.1 | |
3vded12.2 |
Ref | Expression |
---|---|
3vded12 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | le1 146 | . . 3 | |
2 | df-t 41 | . . . 4 | |
3 | an1 106 | . . . . . . . 8 | |
4 | 3 | ax-r1 35 | . . . . . . 7 |
5 | 3vded12.2 | . . . . . . . . . 10 | |
6 | 5 | u1lemle1 710 | . . . . . . . . 9 |
7 | 6 | lan 77 | . . . . . . . 8 |
8 | 7 | ax-r1 35 | . . . . . . 7 |
9 | 4, 8 | ax-r2 36 | . . . . . 6 |
10 | 3vded12.1 | . . . . . 6 | |
11 | 9, 10 | bltr 138 | . . . . 5 |
12 | 5 | lecon 154 | . . . . . 6 |
13 | leo 158 | . . . . . . 7 | |
14 | df-i1 44 | . . . . . . . 8 | |
15 | 14 | ax-r1 35 | . . . . . . 7 |
16 | 13, 15 | lbtr 139 | . . . . . 6 |
17 | 12, 16 | letr 137 | . . . . 5 |
18 | 11, 17 | lel2or 170 | . . . 4 |
19 | 2, 18 | bltr 138 | . . 3 |
20 | 1, 19 | lebi 145 | . 2 |
21 | 20 | u1lemle2 715 | 1 |
Colors of variables: term |
Syntax hints: wle 2 wn 4 wo 6 wa 7 wt 8 wi1 12 |
This theorem was proved from axioms: ax-a1 30 ax-a2 31 ax-a3 32 ax-a4 33 ax-a5 34 ax-r1 35 ax-r2 36 ax-r4 37 ax-r5 38 ax-r3 439 |
This theorem depends on definitions: df-b 39 df-a 40 df-t 41 df-f 42 df-i1 44 df-le1 130 df-le2 131 df-c1 132 df-c2 133 |
This theorem is referenced by: (None) |
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