%0 Journal Article
%T The Hardness of the Iconic Must: Can Peirce's Existential Graphs Assist Modal Epistemology?
%A Legg, Catherine
%J Philosophia Mathematica
%V 20
%N 1
%P 1-24
%@ 0031-8019
%D 2012-02-01
%I Oxford University Press
%~ DeepDyve