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Mirrors > Home > QLE Home > Th. List > oa4to6lem3 | Unicode version |
Description: Lemma for orthoarguesian law (4-variable to 6-variable proof). |
Ref | Expression |
---|---|
oa4to6lem.1 | |
oa4to6lem.2 | |
oa4to6lem.3 | |
oa4to6lem.4 |
Ref | Expression |
---|---|
oa4to6lem3 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | leor 159 | . . . 4 | |
2 | comid 187 | . . . . . . . . 9 | |
3 | 2 | comcom3 454 | . . . . . . . 8 |
4 | oa4to6lem.3 | . . . . . . . . 9 | |
5 | 4 | lecom 180 | . . . . . . . 8 |
6 | 3, 5 | fh3 471 | . . . . . . 7 |
7 | ancom 74 | . . . . . . . 8 | |
8 | df-t 41 | . . . . . . . . . 10 | |
9 | ax-a2 31 | . . . . . . . . . 10 | |
10 | 8, 9 | ax-r2 36 | . . . . . . . . 9 |
11 | 10 | ran 78 | . . . . . . . 8 |
12 | an1 106 | . . . . . . . 8 | |
13 | 7, 11, 12 | 3tr2 64 | . . . . . . 7 |
14 | 6, 13 | ax-r2 36 | . . . . . 6 |
15 | 14 | ax-r1 35 | . . . . 5 |
16 | anidm 111 | . . . . . . . . 9 | |
17 | 16 | ran 78 | . . . . . . . 8 |
18 | 17 | ax-r1 35 | . . . . . . 7 |
19 | anass 76 | . . . . . . 7 | |
20 | 18, 19 | ax-r2 36 | . . . . . 6 |
21 | 20 | lor 70 | . . . . 5 |
22 | 15, 21 | ax-r2 36 | . . . 4 |
23 | 1, 22 | lbtr 139 | . . 3 |
24 | leor 159 | . . . . 5 | |
25 | 24 | lelan 167 | . . . 4 |
26 | 25 | lelor 166 | . . 3 |
27 | 23, 26 | letr 137 | . 2 |
28 | oa4to6lem.4 | . . . . 5 | |
29 | 28 | ud1lem0a 255 | . . . 4 |
30 | df-i1 44 | . . . 4 | |
31 | 29, 30 | ax-r2 36 | . . 3 |
32 | 31 | ax-r1 35 | . 2 |
33 | 27, 32 | lbtr 139 | 1 |
Colors of variables: term |
Syntax hints: wb 1 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: oa4to6lem4 963 |
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