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Mirrors > Home > QLE Home > Th. List > 3vth1 | Unicode version |
Description: A 3-variable theorem. Equivalent to OML. |
Ref | Expression |
---|---|
3vth1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | anor3 90 | . . . . . . 7 | |
2 | 1 | lan 77 | . . . . . 6 |
3 | 2 | ax-r1 35 | . . . . 5 |
4 | anass 76 | . . . . . 6 | |
5 | 4 | ax-r1 35 | . . . . 5 |
6 | 3, 5 | ax-r2 36 | . . . 4 |
7 | ancom 74 | . . . . . . 7 | |
8 | omlan 448 | . . . . . . 7 | |
9 | 7, 8 | ax-r2 36 | . . . . . 6 |
10 | lear 161 | . . . . . 6 | |
11 | 9, 10 | bltr 138 | . . . . 5 |
12 | 11 | leran 153 | . . . 4 |
13 | 6, 12 | bltr 138 | . . 3 |
14 | leor 159 | . . 3 | |
15 | 13, 14 | letr 137 | . 2 |
16 | df-i2 45 | . . . 4 | |
17 | ancom 74 | . . . . 5 | |
18 | 17 | lor 70 | . . . 4 |
19 | 16, 18 | ax-r2 36 | . . 3 |
20 | 19 | ran 78 | . 2 |
21 | df-i2 45 | . 2 | |
22 | 15, 20, 21 | le3tr1 140 | 1 |
Colors of variables: term |
Syntax hints: wle 2 wn 4 wo 6 wa 7 wi2 13 |
This theorem was proved from axioms: ax-a1 30 ax-a2 31 ax-a3 32 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-i2 45 df-le1 130 df-le2 131 |
This theorem is referenced by: 3vth2 805 3vth3 806 |
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