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| Mirrors > Home > MPE Home > Th. List > resmpt | Structured version Visualization version Unicode version | ||
| Description: Restriction of the mapping operation. (Contributed by Mario Carneiro, 15-Jul-2013.) |
| Ref | Expression |
|---|---|
| resmpt |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | resopab2 5448 |
. 2
| |
| 2 | df-mpt 4730 |
. . 3
| |
| 3 | 2 | reseq1i 5392 |
. 2
|
| 4 | df-mpt 4730 |
. 2
| |
| 5 | 1, 3, 4 | 3eqtr4g 2681 |
1
|
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