Description: Equality theorem for the well-ordered recursive function generator. (Contributed by Scott Fenton, 7-Jun-2018)
Ref | Expression | ||
---|---|---|---|
Assertion | wrecseq1 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid | |
|
2 | eqid | |
|
3 | wrecseq123 | |
|
4 | 1 2 3 | mp3an23 | |