Problem: Sum the deltas

Code: Sum+the+deltas/tails_1644218201

Nibbles version: 0.2 | 0.21 | 0.22 | 0.23 | 0.24 | 0.25 | 1.00

Format: Compact | Simple | +Type | Table | JSON | .nbl (DeBruijn) | .nbl (names)

- (subtract) 
    / (foldr1) 
        _ (= ints) 
        @ (= A) <--arg( B A ) 
    / (foldr1) 
        _ (= ints) 
        (implicit arg = D) <--arg( D C )