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Mirrors > Home > QLE Home > Th. List > lem3.3.7i4e1 | Unicode version |
Description: Equation 3.7 of [PavMeg1999] p. 9. The variable i in the paper is set to 4, and this is the first part of the equation. (Contributed by Roy F. Longton, 3-Jul-05.) |
Ref | Expression |
---|---|
lem3.3.7i4e1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lear 161 | . . . . . 6 | |
2 | lea 160 | . . . . . . 7 | |
3 | leid 148 | . . . . . . 7 | |
4 | 2, 3 | ler2an 173 | . . . . . 6 |
5 | 1, 4 | lebi 145 | . . . . 5 |
6 | 5 | ax-r5 38 | . . . 4 |
7 | 6 | ax-r5 38 | . . 3 |
8 | 2 | lecon 154 | . . . . . . . 8 |
9 | 8 | ortha 438 | . . . . . . 7 |
10 | 9 | lor 70 | . . . . . 6 |
11 | 10 | ax-r5 38 | . . . . 5 |
12 | or0 102 | . . . . . 6 | |
13 | 12 | ax-r5 38 | . . . . 5 |
14 | leor 159 | . . . . . . 7 | |
15 | lea 160 | . . . . . . 7 | |
16 | 14, 15 | lel2or 170 | . . . . . 6 |
17 | leo 158 | . . . . . . . . 9 | |
18 | 17, 8 | ler2an 173 | . . . . . . . 8 |
19 | 18 | lerr 150 | . . . . . . 7 |
20 | leo 158 | . . . . . . 7 | |
21 | 19, 20 | lel2or 170 | . . . . . 6 |
22 | 16, 21 | lebi 145 | . . . . 5 |
23 | 11, 13, 22 | 3tr 65 | . . . 4 |
24 | an1 106 | . . . . 5 | |
25 | 24 | ax-r1 35 | . . . 4 |
26 | 3 | sklem 230 | . . . . . 6 |
27 | 26 | ax-r1 35 | . . . . 5 |
28 | 27 | lan 77 | . . . 4 |
29 | 23, 25, 28 | 3tr 65 | . . 3 |
30 | 4, 1 | lebi 145 | . . . . 5 |
31 | 30 | lor 70 | . . . 4 |
32 | 31 | lan 77 | . . 3 |
33 | 7, 29, 32 | 3tr 65 | . 2 |
34 | df-i4 47 | . 2 | |
35 | df-id4 53 | . 2 | |
36 | 33, 34, 35 | 3tr1 63 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wn 4 wo 6 wa 7 wt 8 wf 9 wi4 15 wid4 21 |
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 |
This theorem depends on definitions: df-a 40 df-t 41 df-f 42 df-i4 47 df-id4 53 df-le1 130 df-le2 131 |
This theorem is referenced by: (None) |
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