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Automated Planning
book

Automated Planning

by Malik Ghallab, Dana Nau, Paolo Traverso
May 2004
Intermediate to advanced content levelIntermediate to advanced
635 pages
19h 46m
English
Morgan Kaufmann
Content preview from Automated Planning
276 Chapter 12 Control Strategies in Deductive Planning
modus-ponens-tac(φ
1
,φ
2
) ;; primitive tactic for modus ponens
if premise(φ
1
,φ
2
) ;; rule preconditions
then return conclusion(φ
2
) ;; rule application
else exit with “failure” ;; failure generation
end
Figure 12.4 A primitive tactic.
is shown in Figure 12.4. The primitive tactic modus-ponens-tac tests whether the
rule is applicable. The function premise(φ
1
,φ
2
) tests whether φ
1
is a premise of φ
2
,
namely, whether φ
2
is φ
1
φ
3
, where φ
3
is any formula. If it is, then the tactic
returns the conclusion of the rule, i.e., φ
3
. It fails otherwise.
Compound tactics are compositions of primitive tactics through ...
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Publisher Resources

ISBN: 9781558608566