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Mirrors > Home > QLE Home > Th. List > ud4lem0b | Unicode version |
Description: Introduce to the right. |
Ref | Expression |
---|---|
ud4lem0a.1 |
Ref | Expression |
---|---|
ud4lem0b |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ud4lem0a.1 | . . . . 5 | |
2 | 1 | ran 78 | . . . 4 |
3 | 1 | ax-r4 37 | . . . . 5 |
4 | 3 | ran 78 | . . . 4 |
5 | 2, 4 | 2or 72 | . . 3 |
6 | 3 | ax-r5 38 | . . . 4 |
7 | 6 | ran 78 | . . 3 |
8 | 5, 7 | 2or 72 | . 2 |
9 | df-i4 47 | . 2 | |
10 | df-i4 47 | . 2 | |
11 | 8, 9, 10 | 3tr1 63 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wn 4 wo 6 wa 7 wi4 15 |
This theorem was proved from axioms: ax-a2 31 ax-r1 35 ax-r2 36 ax-r4 37 ax-r5 38 |
This theorem depends on definitions: df-a 40 df-i4 47 |
This theorem is referenced by: i4i3 271 ud4 598 |
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