Description: Equality theorem for seqom . (Contributed by Stefan O'Rear, 1-Nov-2014)
Ref | Expression | ||
---|---|---|---|
Assertion | seqomeq12 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | oveq | |
|
2 | 1 | opeq2d | |
3 | 2 | mpoeq3dv | |
4 | fveq2 | |
|
5 | 4 | opeq2d | |
6 | rdgeq12 | |
|
7 | 3 5 6 | syl2an | |
8 | 7 | imaeq1d | |
9 | df-seqom | |
|
10 | df-seqom | |
|
11 | 8 9 10 | 3eqtr4g | |