nltk.sem.set2rel()¶

nltk.sem.set2rel(s)[source]¶

Convert a set containing individuals (strings or numbers) into a set of unary tuples. Any tuples of strings already in the set are passed through unchanged.

For example:

• set([‘a’, ‘b’]) => set([(‘a’,), (‘b’,)])
• set([3, 27]) => set([(‘3’,), (‘27’,)])

Return type:	set of tuple of str