Jan Berg, A logic of terms with an existence operator, Logic and abstraction, Essays dedicated to Per Lindström on his fiftieth birthday, edited by Mats Furberg, Thomas Wetterström, and Claes Åberg, Acta philosophica Gothoburgensia, no. 1, Acta Universitatis Gothobargensis, Göteborg1986, pp. 71–94.
Juha Oikkonen · Journal of Symbolic Logic · 1989
Jan Berg, A logic of terms with an existence operator, Logic and abstraction, Essays dedicated to Per Lindström on his fiftieth birthday, edited by Mats Furberg, Thomas Wetterström, and Claes Åberg, Acta philosophica Gothoburgensia, no. 1, Acta Universitatis Gothobargensis, Göteborg1986, pp. 71–94. - Volume 54 Issue 2