Skip to content

typos in the code/output #180

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
DhruvPatel01 wants to merge 1 commit into
base: main
Choose a base branch
from
Open

typos in the code/output #180

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
48 changes: 24 additions & 24 deletions docs/chapter4.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -993,22 +993,22 @@ Note that there is nothing that says the places in the maze are arranged in a fi
```lisp
> (gps '((at 1)) '((at 25)))
((START)
(EXECUTING-(MOVE-FROM-1 TO 2))
(EXECUTING-(MOVE-FROM-2 TO 3))
(EXECUTING-(MOVE-FROM-3 TO 4))
(EXECUTING-(MOVE-FROM-4 TO 9))
(EXECUTING-(MOVE-FROM-9 TO 8))
(EXECUTING-(MOVE-FROM-8 TO 7))
(EXECUTING-(MOVE-FROM-7 TO 12))
(EXECUTING-(MOVE-FROM-12 TO 11))
(EXECUTING-(MOVE-FROM-11 TO 16))
(EXECUTING-(MOVE-FROM-16 TO 17))
(EXECUTING-(MOVE-FROM-17 TO 22))
(EXECUTING-(MOVE-FROM-22 TO 23))
(EXECUTING-(MOVE-FROM-23 TO 24))
(EXECUTING-(MOVE-FROM-24 TO 19))
(EXECUTING-(MOVE-FROM-19 TO 20))
(EXECUTING-(MOVE-FROM-20 TO 25))
(EXECUTING (MOVE FROM 1 TO 2))
(EXECUTING (MOVE FROM 2 TO 3))
(EXECUTING (MOVE FROM 3 TO 4))
(EXECUTING (MOVE FROM 4 TO 9))
(EXECUTING (MOVE FROM 9 TO 8))
(EXECUTING (MOVE FROM 8 TO 7))
(EXECUTING (MOVE FROM 7 TO 12))
(EXECUTING (MOVE FROM 12 TO 11))
(EXECUTING (MOVE FROM 11 TO 16))
(EXECUTING (MOVE FROM 16 TO 17))
(EXECUTING (MOVE FROM 17 TO 22))
(EXECUTING (MOVE FROM 22 TO 23))
(EXECUTING (MOVE FROM 23 TO 24))
(EXECUTING (MOVE FROM 24 TO 19))
(EXECUTING (MOVE FROM 19 TO 20))
(EXECUTING (MOVE FROM 20 TO 25))
(AT 25))
```

Expand Down Expand Up @@ -1043,11 +1043,11 @@ We could do this by calling GPS as a subfunction and then manipulating the resul
```lisp
(defun find-path (start end)
"Search a maze for a path from start to end."
(let ((results (GPS '((at .start)) '((at .end)))))
(let ((results (GPS `((at ,start)) `((at ,end)))))
(unless (null results)
(cons start (mapcar #'destination
(remove '(start) results
:test #'equal))))))
(remove '(start) results
:test #'equal))))))
(defun destination (action)
"Find the Y in (executing (move from X to Y))"
(fifth (second action)))
Expand Down Expand Up @@ -1093,14 +1093,14 @@ We will create an operator for each possible block move.
(defun move-op (a b c)
"Make an operator to move A from B to C."
(op
'(move ,a from ,b to ,c)
:preconds '((space on ,a) (space on ,c) (,a on ,b))
`(move ,a from ,b to ,c)
:preconds `((space on ,a) (space on ,c) (,a on ,b))
:add-list (move-ons a b c)
:del-list (move-ons a c b)))
(defun move-ons (a b c)
(if (eq b 'table)
'((,a on ,c))
'((.a on ,c) (space on ,b))))
`((,a on ,c))
`((,a on ,c) (space on ,b))))
```

Now we try these operators out on some problems.
Expand Down Expand Up @@ -1197,7 +1197,7 @@ That is, we could change `achieve-all` as follows:
current-state)))

(defun orderings (l)
(if (> (length l) l)
(if (> (length l) 1)
(list l (reverse l))
(list l)))
```
Expand Down