cons | : | [nat × list] ⟶ list |
map | : | [nat → nat × list] ⟶ list |
merge | : | [list × list × list] ⟶ list |
nil | : | list |
X | : | list |
Y | : | nat |
U | : | list |
V | : | list |
W | : | nat |
P | : | list |
X1 | : | list |
Y1 | : | list |
G1 | : | nat → nat |
H1 | : | nat → nat |
W1 | : | nat |
P1 | : | list |
merge(nil, nil, X) | ⇒ | X |
merge(nil, cons(Y, U), V) | ⇒ | merge(U, nil, cons(Y, V)) |
merge(cons(W, P), X1, Y1) | ⇒ | merge(X1, P, cons(W, Y1)) |
map(G1, nil) | ⇒ | nil |
map(H1, cons(W1, P1)) | ⇒ | cons(H1 · W1, map(H1, P1)) |