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| Mirrors > Home > MPE Home > Th. List > mpt2eq3dva | Structured version Visualization version Unicode version | ||
| Description: Slightly more general equality inference for the maps to notation. (Contributed by NM, 17-Oct-2013.) |
| Ref | Expression |
|---|---|
| mpt2eq3dva.1 |
|
| Ref | Expression |
|---|---|
| mpt2eq3dva |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mpt2eq3dva.1 |
. . . . . 6
| |
| 2 | 1 | 3expb 1266 |
. . . . 5
|
| 3 | 2 | eqeq2d 2632 |
. . . 4
|
| 4 | 3 | pm5.32da 673 |
. . 3
|
| 5 | 4 | oprabbidv 6709 |
. 2
|
| 6 | df-mpt2 6655 |
. 2
| |
| 7 | df-mpt2 6655 |
. 2
| |
| 8 | 5, 6, 7 | 3eqtr4g 2681 |
1
|
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