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| Mirrors > Home > MPE Home > Th. List > elmapg | Structured version Visualization version Unicode version | ||
| Description: Membership relation for set exponentiation. (Contributed by NM, 17-Oct-2006.) (Revised by Mario Carneiro, 15-Nov-2014.) |
| Ref | Expression |
|---|---|
| elmapg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mapvalg 7867 |
. . 3
| |
| 2 | 1 | eleq2d 2687 |
. 2
|
| 3 | fex2 7121 |
. . . . 5
| |
| 4 | 3 | 3com13 1270 |
. . . 4
|
| 5 | 4 | 3expia 1267 |
. . 3
|
| 6 | feq1 6026 |
. . . 4
| |
| 7 | 6 | elab3g 3357 |
. . 3
|
| 8 | 5, 7 | syl 17 |
. 2
|
| 9 | 2, 8 | bitrd 268 |
1
|
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