File: find_term.doc

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\DOC find_term

\TYPE {find_term: ((term -> bool) -> term -> term)}

\SYNOPSIS
Searches a term for a subterm that satisfies a given predicate.

\DESCRIBE
The largest subterm, in a depth-first, left-to-right search
of the given term, that satisfies the predicate is returned.

\FAILURE
Fails if no subterm of the given term satisfies the predicate.

\EXAMPLE
{
#find_term is_pred "SUC 0";;
"SUC 0" : term

#find_term is_const "SUC 0";;
"SUC" : term

#find_term is_var "SUC n";;
"n" : term
}
\SEEALSO
find_terms

\ENDDOC