Metamath Proof Explorer


Theorem wrecseq3

Description: Equality theorem for the well-ordered recursive function generator. (Contributed by Scott Fenton, 7-Jun-2018)

Ref Expression
Assertion wrecseq3 F=GwrecsRAF=wrecsRAG

Proof

Step Hyp Ref Expression
1 eqid R=R
2 eqid A=A
3 wrecseq123 R=RA=AF=GwrecsRAF=wrecsRAG
4 1 2 3 mp3an12 F=GwrecsRAF=wrecsRAG