%0 Journal Article %A Bourdeau, Michel %T Logic of existence and logic of knowledge. Epistemic and non epistemic aspects of logic %J Philosophia Scientiae %D 2003 %P 147-163 %V 7 %N 2 %I Éditions Kimé %U http://archive.numdam.org/item/PHSC_2003__7_2_147_0/ %G en %F PHSC_2003__7_2_147_0