Acta Universitatis Lodziensis. Folia Philosophica 07/1990 http://hdl.handle.net/11089/8693 2026-04-08T05:59:40Z On a generalized inference operation http://hdl.handle.net/11089/8748 On a generalized inference operation Nowak, Marek; Rydzewski, Piotr 1990-01-01T00:00:00Z La formation des notions en logique combinatoire http://hdl.handle.net/11089/8747 La formation des notions en logique combinatoire Ginisti, Jean Pierre 1990-01-01T00:00:00Z Three aspects of decidability http://hdl.handle.net/11089/8746 Three aspects of decidability Kaczmarek, Janusz 1990-01-01T00:00:00Z Les universaux, la langue, l'ontologie http://hdl.handle.net/11089/8745 Les universaux, la langue, l'ontologie Kleszcz, Ryszard 1990-01-01T00:00:00Z