let rec u g x = (let f = u g in A)
in let rec g y = (let f = u g in B)
- in let f = u g in C
+ in let f = u g in
+ C
or, expanded into the form we've been working with:
let u = Y (\u g x. (\f. A) (u g)) in
let g = Y (\g y. (\f. B) (u g)) in
- let f = u g
+ let f = u g in
+ C