Field on the Notion of Consistency. - Ken Akiba (Notre Dame J. Formal Log., 1996)

Nominalistic metalogic. - Ken Akiba (J. Philos. Log., 1998)

Probabilistic Measures of Coherence and the Problem of Belief Individuation. - Luca Moretti; Ken Akiba (Synth., 2007)

A New Theory of Quantifiers and Term Connectives. - Ken Akiba (J. Log. Lang. Inf., 2009)

A defense of indeterminate distinctness. - Ken Akiba (Synth., 2014)

Denotational Semantics of the Simplified Lambda-Mu Calculus and a New Deduction System of Classical Type Theory. - Ken Akiba (CL&C, 2016)

A Unification of Two Approaches to Vagueness: The Boolean Many-Valued Approach and the Modal-Precisificational Approach. - Ken Akiba (J. Philos. Log., 2017)