Description: Value of composition of translations in a trace-preserving endomorphism. (Contributed by NM, 9-Jun-2013)
Ref | Expression | ||
---|---|---|---|
Hypotheses | tendof.h | |
|
tendof.t | |
||
tendof.e | |
||
Assertion | tendovalco | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | tendof.h | |
|
2 | tendof.t | |
|
3 | tendof.e | |
|
4 | eqid | |
|
5 | eqid | |
|
6 | 4 1 2 5 3 | istendo | |
7 | coeq1 | |
|
8 | 7 | fveq2d | |
9 | fveq2 | |
|
10 | 9 | coeq1d | |
11 | 8 10 | eqeq12d | |
12 | coeq2 | |
|
13 | 12 | fveq2d | |
14 | fveq2 | |
|
15 | 14 | coeq2d | |
16 | 13 15 | eqeq12d | |
17 | 11 16 | rspc2v | |
18 | 17 | com12 | |
19 | 18 | 3ad2ant2 | |
20 | 6 19 | syl6bi | |
21 | 20 | 3impia | |
22 | 21 | imp | |