| Detail of Calculation for D f = E f + f
|
|
|
|
|
|
|
|
|
|
| | | | | |
| | | E f|d x d y |
+ | f|d x d y |
= | D f|d x d y |
|
| | E f|d x (d y) |
+ | f|d x (d y) |
= | D f|d x (d y) |
|
| | E f|(d x) d y |
+ | f|(d x) d y |
= | D f|(d x) d y |
|
| | E f|(d x)(d y) |
+ | f|(d x)(d y) |
= | D f|(d x)(d y) |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | |
| f0 | 0 + 0 = 0 | 0 + 0 = 0 | 0 + 0 = 0 | 0 + 0 = 0 |
|
|
|
|
|
|
|
|
|
|
| | | | | |
| f1 | | x y | d x | d y |
| + | (x)(y) | d x | d y |
| = | ((x,y)) | d x | d y |
| | x (y) | d x | (d y) |
| + | (x)(y) | d x | (d y) |
| = | (y) | d x | (d y) |
| | (x) y | (d x) | d y |
| + | (x)(y) | (d x) | d y |
| = | (x) | (d x) | d y |
| | (x)(y) | (d x) | (d y) |
| + | (x)(y) | (d x) | (d y) |
| = | 0 | (d x) | (d y) |
|
|
|
|
|
|
| | | | | |
| f2 | | x (y) | d x | d y |
| + | (x) y | d x | d y |
| = | (x,y) | d x | d y |
| | x y | d x | (d y) |
| + | (x) y | d x | (d y) |
| = | y | d x | (d y) |
| | (x)(y) | (d x) | d y |
| + | (x) y | (d x) | d y |
| = | (x) | (d x) | d y |
| | (x) y | (d x) | (d y) |
| + | (x) y | (d x) | (d y) |
| = | 0 | (d x) | (d y) |
|
|
|
|
|
|
| | | | | |
| f4 | | (x) y | d x | d y |
| + | x (y) | d x | d y |
| = | (x,y) | d x | d y |
| | (x)(y) | d x | (d y) |
| + | x (y) | d x | (d y) |
| = | (y) | d x | (d y) |
| | x y | (d x) | d y |
| + | x (y) | (d x) | d y |
| = | x | (d x) | d y |
| | x (y) | (d x) | (d y) |
| + | x (y) | (d x) | (d y) |
| = | 0 | (d x) | (d y) |
|
|
|
|
|
|
| | | | | |
| f8 | | (x)(y) | d x | d y |
| + | x y | d x | d y |
| = | ((x,y)) | d x | d y |
| | (x) y | d x | (d y) |
| + | x y | d x | (d y) |
| = | y | d x | (d y) |
| | x (y) | (d x) | d y |
| + | x y | (d x) | d y |
| = | x | (d x) | d y |
| | x y | (d x) | (d y) |
| + | x y | (d x) | (d y) |
| = | 0 | (d x) | (d y) |
|
|
|
|
|
|
|
|
|
|
|
| | | | | |
| f3 | | x | d x | d y |
| + | (x) | d x | d y |
| = | 1 | d x | d y |
| | x | d x | (d y) |
| + | (x) | d x | (d y) |
| = | 1 | d x | (d y) |
| | (x) | (d x) | d y |
| + | (x) | (d x) | d y |
| = | 0 | (d x) | d y |
| | (x) | (d x) | (d y) |
| + | (x) | (d x) | (d y) |
| = | 0 | (d x) | (d y) |
|
|
|
|
|
|
| | | | | |
| f12 | | (x) | d x | d y |
| + | x | d x | d y |
| = | 1 | d x | d y |
| | (x) | d x | (d y) |
| + | x | d x | (d y) |
| = | 1 | d x | (d y) |
| | x | (d x) | d y |
| + | x | (d x) | d y |
| = | 0 | (d x) | d y |
| | x | (d x) | (d y) |
| + | x | (d x) | (d y) |
| = | 0 | (d x) | (d y) |
|
|
|
|
|
|
|
|
|
|
|
| | | | | |
| f6 | | (x,y) | d x | d y |
| + | (x,y) | d x | d y |
| = | 0 | d x | d y |
| | ((x,y)) | d x | (d y) |
| + | (x,y) | d x | (d y) |
| = | 1 | d x | (d y) |
| | ((x,y)) | (d x) | d y |
| + | (x,y) | (d x) | d y |
| = | 1 | (d x) | d y |
| | (x,y) | (d x) | (d y) |
| + | (x,y) | (d x) | (d y) |
| = | 0 | (d x) | (d y) |
|
|
|
|
|
|
| | | | | |
| f9 | | ((x,y)) | d x | d y |
| + | ((x,y)) | d x | d y |
| = | 0 | d x | d y |
| | (x,y) | d x | (d y) |
| + | ((x,y)) | d x | (d y) |
| = | 1 | d x | (d y) |
| | (x,y) | (d x) | d y |
| + | ((x,y)) | (d x) | d y |
| = | 1 | (d x) | d y |
| | ((x,y)) | (d x) | (d y) |
| + | ((x,y)) | (d x) | (d y) |
| = | 0 | (d x) | (d y) |
|
|
|
|
|
|
|
|
|
|
|
| | | | | |
| f5 | | y | d x | d y |
| + | (y) | d x | d y |
| = | 1 | d x | d y |
| | (y) | d x | (d y) |
| + | (y) | d x | (d y) |
| = | 0 | d x | (d y) |
| | y | (d x) | d y |
| + | (y) | (d x) | d y |
| = | 1 | (d x) | d y |
| | (y) | (d x) | (d y) |
| + | (y) | (d x) | (d y) |
| = | 0 | (d x) | (d y) |
|
|
|
|
|
|
| | | | | |
| f10 | | (y) | d x | d y |
| + | y | d x | d y |
| = | 1 | d x | d y |
| | y | d x | (d y) |
| + | y | d x | (d y) |
| = | 0 | d x | (d y) |
| | (y) | (d x) | d y |
| + | y | (d x) | d y |
| = | 1 | (d x) | d y |
| | y | (d x) | (d y) |
| + | y | (d x) | (d y) |
| = | 0 | (d x) | (d y) |
|
|
|
|
|
|
|
|
|
|
|
| | | | | |
| f7 | | ((x)(y)) | d x | d y |
| + | (x y) | d x | d y |
| = | ((x,y)) | d x | d y |
| | ((x) y) | d x | (d y) |
| + | (x y) | d x | (d y) |
| = | y | d x | (d y) |
| | (x (y)) | (d x) | d y |
| + | (x y) | (d x) | d y |
| = | x | (d x) | d y |
| | (x y) | (d x) | (d y) |
| + | (x y) | (d x) | (d y) |
| = | 0 | (d x) | (d y) |
|
|
|
|
|
|
| | | | | |
| f11 | | ((x) y) | d x | d y |
| + | (x (y)) | d x | d y |
| = | (x,y) | d x | d y |
| | ((x)(y)) | d x | (d y) |
| + | (x (y)) | d x | (d y) |
| = | (y) | d x | (d y) |
| | (x y) | (d x) | d y |
| + | (x (y)) | (d x) | d y |
| = | x | (d x) | d y |
| | (x (y)) | (d x) | (d y) |
| + | (x (y)) | (d x) | (d y) |
| = | 0 | (d x) | (d y) |
|
|
|
|
|
|
| | | | | |
| f13 | | (x (y)) | d x | d y |
| + | ((x) y) | d x | d y |
| = | (x,y) | d x | d y |
| | (x y) | d x | (d y) |
| + | ((x) y) | d x | (d y) |
| = | y | d x | (d y) |
| | ((x)(y)) | (d x) | d y |
| + | ((x) y) | (d x) | d y |
| = | (x) | (d x) | d y |
| | ((x) y) | (d x) | (d y) |
| + | ((x) y) | (d x) | (d y) |
| = | 0 | (d x) | (d y) |
|
|
|
|
|
|
| | | | | |
| f14 | | (x y) | d x | d y |
| + | ((x)(y)) | d x | d y |
| = | ((x,y)) | d x | d y |
| | (x (y)) | d x | (d y) |
| + | ((x)(y)) | d x | (d y) |
| = | (y) | d x | (d y) |
| | ((x) y) | (d x) | d y |
| + | ((x)(y)) | (d x) | d y |
| = | (x) | (d x) | d y |
| | ((x)(y)) | (d x) | (d y) |
| + | ((x)(y)) | (d x) | (d y) |
| = | 0 | (d x) | (d y) |
|
|
|
|
|
|
|
|
|
|
|
| | | | | |
| f15 | 1 + 1 = 0 | 1 + 1 = 0 | 1 + 1 = 0 | 1 + 1 = 0 |
|
|
|
|
|
|
|
|
|
|
| | | | | |