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Mirrors > Home > QLE Home > Th. List > oa4uto4g | Unicode version |
Description: Derivation of "Godowski/Greechie" 4-variable proper OA law variant from "universal" variant oa4to4u2 974. |
Ref | Expression |
---|---|
oa4uto4g.1 | |
oa4uto4g.4 |
Ref | Expression |
---|---|
oa4uto4g |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ancom 74 | . . . . . . . 8 | |
2 | ancom 74 | . . . . . . . 8 | |
3 | 1, 2 | 2or 72 | . . . . . . 7 |
4 | 3 | ax-r5 38 | . . . . . 6 |
5 | 4 | lan 77 | . . . . 5 |
6 | 5 | lor 70 | . . . 4 |
7 | 6 | lan 77 | . . 3 |
8 | u1lem9a 777 | . . . . . 6 | |
9 | 8 | lecon1 155 | . . . . 5 |
10 | u1lem9a 777 | . . . . . . . . . . 11 | |
11 | 10 | lecon1 155 | . . . . . . . . . 10 |
12 | 9, 11 | le2an 169 | . . . . . . . . 9 |
13 | 12 | leror 152 | . . . . . . . 8 |
14 | oa4uto4g.4 | . . . . . . . . 9 | |
15 | u1lem9a 777 | . . . . . . . . . . . . 13 | |
16 | 15 | lecon1 155 | . . . . . . . . . . . 12 |
17 | 11, 16 | le2an 169 | . . . . . . . . . . 11 |
18 | 17 | leror 152 | . . . . . . . . . 10 |
19 | 9, 16 | le2an 169 | . . . . . . . . . . 11 |
20 | 19 | leror 152 | . . . . . . . . . 10 |
21 | 18, 20 | le2an 169 | . . . . . . . . 9 |
22 | 14, 21 | bltr 138 | . . . . . . . 8 |
23 | 13, 22 | le2or 168 | . . . . . . 7 |
24 | 23 | lelan 167 | . . . . . 6 |
25 | 24 | lelor 166 | . . . . 5 |
26 | 9, 25 | le2an 169 | . . . 4 |
27 | ax-a1 30 | . . . . . . . 8 | |
28 | 27 | ud1lem0b 256 | . . . . . . 7 |
29 | ax-a1 30 | . . . . . . . . 9 | |
30 | 29 | ud1lem0b 256 | . . . . . . . 8 |
31 | 28, 30 | 2an 79 | . . . . . . . . . 10 |
32 | 31 | lor 70 | . . . . . . . . 9 |
33 | ancom 74 | . . . . . . . . . 10 | |
34 | ax-a1 30 | . . . . . . . . . . . . . 14 | |
35 | 34 | ud1lem0b 256 | . . . . . . . . . . . . 13 |
36 | 28, 35 | 2an 79 | . . . . . . . . . . . 12 |
37 | 36 | lor 70 | . . . . . . . . . . 11 |
38 | 30, 35 | 2an 79 | . . . . . . . . . . . 12 |
39 | 38 | lor 70 | . . . . . . . . . . 11 |
40 | 37, 39 | 2an 79 | . . . . . . . . . 10 |
41 | 33, 40 | ax-r2 36 | . . . . . . . . 9 |
42 | 32, 41 | 2or 72 | . . . . . . . 8 |
43 | 30, 42 | 2an 79 | . . . . . . 7 |
44 | 28, 43 | 2or 72 | . . . . . 6 |
45 | 44 | lan 77 | . . . . 5 |
46 | oa4uto4g.1 | . . . . 5 | |
47 | 45, 46 | bltr 138 | . . . 4 |
48 | 26, 47 | letr 137 | . . 3 |
49 | 7, 48 | bltr 138 | . 2 |
50 | 49 | oau 929 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wle 2 wn 4 wo 6 wa 7 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: 4oa 1039 |
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