Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: keyword exact "Lesniewski’s Ontology" Add to list Journal Article A2 open access Potential infinity, abstraction principles and arithmetic (Leniewski Style) Rafal Urbaniak (UGent) (2016) AXIOMS. 5(2).