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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | \DOC ancestry
\TYPE {ancestry : (void -> string list)}
\SYNOPSIS
Gets a list of the ancestors of the current theory.
\DESCRIBE
A call {ancestry()} returns a list of all the ancestors of the current theory,
i.e. the current theory itself, its parents, parents of parents, etc.
\FAILURE
Never fails.
\COMMENTS
The call {ancestry()} is considerably more efficient than {ancestors `-`}.
\SEEALSO
ancestors, parents.
\ENDDOC
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