@article{Liddell1982-LIDALF,pages = {197--226},title = {A Logic for Propositions with Indefinite Truth Values},author = {G. F. Liddell},journal = {Studia Logica},abstract = {In the first part of this paper a logic is defined for propositions whose probability of being true may not be known. A speaker's beliefs about which propositions are true are still interesting in this case. The meaning of propositions is determined by the consequences of asserting them: in this logic there are debates which incur certain costs for the protagonists.The second part of the paper describes the mathematics of the resulting logic which displays several novel features.},number = {2-3},year = {1982},volume = {41}}@
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A Logic for Propositions with Indefinite Truth Values