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Mirrors > Home > QLE Home > Th. List > i1abs | Unicode version |
Description: An absorption law for . |
Ref | Expression |
---|---|
i1abs |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ud1lem0c 277 | . . 3 | |
2 | 1 | ax-r5 38 | . 2 |
3 | comanr1 464 | . . 3 | |
4 | comorr 184 | . . . 4 | |
5 | 4 | comcom6 459 | . . 3 |
6 | 3, 5 | fh4r 476 | . 2 |
7 | orabs 120 | . . . 4 | |
8 | df-a 40 | . . . . . 6 | |
9 | 8 | lor 70 | . . . . 5 |
10 | df-t 41 | . . . . . 6 | |
11 | 10 | ax-r1 35 | . . . . 5 |
12 | 9, 11 | ax-r2 36 | . . . 4 |
13 | 7, 12 | 2an 79 | . . 3 |
14 | an1 106 | . . 3 | |
15 | 13, 14 | ax-r2 36 | . 2 |
16 | 2, 6, 15 | 3tr 65 | 1 |
Colors of variables: term |
Syntax hints: wb 1 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: cancellem 891 |
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