en non empty (a)
― RelatedTo ⟶
Weight: 1.0
en empty set Source: English Wiktionary
en non empty (a)
― RelatedTo ⟶
Weight: 1.0
en set Source: English Wiktionary
en non empty (a)
― RelatedTo ⟶
Weight: 1.0
en element Source: English Wiktionary