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Mirrors > Home > QLE Home > Th. List > i3abs1 | Unicode version |
Description: Antecedent absorption. |
Ref | Expression |
---|---|
i3abs1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | orordi 112 | . . . . 5 | |
2 | orabs 120 | . . . . . . 7 | |
3 | orabs 120 | . . . . . . 7 | |
4 | 2, 3 | 2or 72 | . . . . . 6 |
5 | oridm 110 | . . . . . 6 | |
6 | 4, 5 | ax-r2 36 | . . . . 5 |
7 | 1, 6 | ax-r2 36 | . . . 4 |
8 | 7 | ax-r5 38 | . . 3 |
9 | ax-a3 32 | . . 3 | |
10 | omln 446 | . . 3 | |
11 | 8, 9, 10 | 3tr2 64 | . 2 |
12 | lem4 511 | . . 3 | |
13 | df-i3 46 | . . . 4 | |
14 | 13 | lor 70 | . . 3 |
15 | 12, 14 | ax-r2 36 | . 2 |
16 | lem4 511 | . 2 | |
17 | 11, 15, 16 | 3tr1 63 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wn 4 wo 6 wa 7 wi3 14 |
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-i3 46 df-le1 130 df-le2 131 df-c1 132 df-c2 133 |
This theorem is referenced by: i3abs2 523 i3th6 548 |
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