Description: Map from the scalar division ring of the vector space to the scalar division ring of its closed kernel dual. (Contributed by NM, 25-Mar-2015)
Ref | Expression | ||
---|---|---|---|
Hypothesis | hgmapval.h | |
|
Assertion | hgmapffval | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | hgmapval.h | |
|
2 | elex | |
|
3 | fveq2 | |
|
4 | 3 1 | eqtr4di | |
5 | fveq2 | |
|
6 | 5 | fveq1d | |
7 | fveq2 | |
|
8 | 7 | fveq1d | |
9 | fveq2 | |
|
10 | 9 | fveq1d | |
11 | 10 | fveq2d | |
12 | 11 | oveqd | |
13 | 12 | eqeq2d | |
14 | 13 | ralbidv | |
15 | 14 | riotabidv | |
16 | 15 | mpteq2dv | |
17 | 16 | eleq2d | |
18 | 8 17 | sbceqbid | |
19 | 18 | sbcbidv | |
20 | 6 19 | sbceqbid | |
21 | 20 | abbidv | |
22 | 4 21 | mpteq12dv | |
23 | df-hgmap | |
|
24 | 22 23 1 | mptfvmpt | |
25 | 2 24 | syl | |