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Mirrors > Home > QLE Home > Th. List > oaidlem2 | Unicode version |
Description: Lemma for identity-like OA law. |
Ref | Expression |
---|---|
oaidlem2.1 |
Ref | Expression |
---|---|
oaidlem2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | anidm 111 | . . . . . . . . . 10 | |
2 | 1 | ax-r1 35 | . . . . . . . . 9 |
3 | 2 | ran 78 | . . . . . . . 8 |
4 | anass 76 | . . . . . . . 8 | |
5 | 3, 4 | ax-r2 36 | . . . . . . 7 |
6 | leor 159 | . . . . . . . 8 | |
7 | 6 | lelan 167 | . . . . . . 7 |
8 | 5, 7 | bltr 138 | . . . . . 6 |
9 | 8 | df-le2 131 | . . . . 5 |
10 | ax-a3 32 | . . . . . 6 | |
11 | ax-a2 31 | . . . . . . . 8 | |
12 | oran3 93 | . . . . . . . 8 | |
13 | 11, 12 | ax-r2 36 | . . . . . . 7 |
14 | 13 | ax-r5 38 | . . . . . 6 |
15 | df-i1 44 | . . . . . . . . 9 | |
16 | 15 | lor 70 | . . . . . . . 8 |
17 | 16 | ax-r1 35 | . . . . . . 7 |
18 | oaidlem2.1 | . . . . . . 7 | |
19 | 17, 18 | ax-r2 36 | . . . . . 6 |
20 | 10, 14, 19 | 3tr2 64 | . . . . 5 |
21 | 9, 20 | lem3.1 443 | . . . 4 |
22 | 21 | ax-r1 35 | . . 3 |
23 | 22 | bile 142 | . 2 |
24 | lear 161 | . 2 | |
25 | 23, 24 | letr 137 | 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-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 |
This theorem is referenced by: (None) |
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