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2015
Sign systems studies 43/4
with Schang Fabien
in: The road to universal logic II, Basel : Birkhäuser
2012
with Giardino Valeria, Mols Sandra, Van Bendegem Jean Paul
Philosophia Scientiae 16/1
From practice to results in logic and mathematics
2011
with Abeles Francine F.
Philosophia Scientiae 15/1
with Read Stephen
Hugh MacColl after one hundred years
