Please let us know if you find any errors or omissions in **An introduction to Artificial Intelligence**.

- top of page 89
- The set of most general rules (G) should
**NOT**include (?,?,?,wood) as the**negative**example satisfies this rule.

The new state should instead read:set of most specific rules (S) = { (triangle,blue,large,wood) } set of most general rules (S) = { (triangle,?,?,?), (?,?,large,?) }

*Thanks to Daryll Davis for pointing out this error. (5/11/97)*

- first paragraph page 115
- The last line of this paragraph should read “he can confine his search
to the
**lighter**pile”

*Thanks to Daniel Defays for pointing out this error. (10/1/2000)*

- third paragraph page 117
- For two dice there are 21 different pairs of die faces (or
**11**sums)

That is the possible sums for two dice are 2, 3, … 12

*Thanks to Daniel Defays for pointing out this error. (10/1/2000)*

- figure 11.7 page 255
- Both the squares on the lower left hand side should be black, not black and white as shown.

The following figure is correct:

*Once again thanks to Daniel Defays for pointing out this error. (17/1/2000)*