Information Science Course "Logic Mathematics I" "Logic Mathematics II" "Logic Mathematics III" Kyoritsu Shuppan Co., Ltd. "Non-Classical Logic" Makishoten "Sets, Probability, and Logic: Introduction to New Mathematics" Makishoten "Sets and Logic" Shinyosha "Fundamentals of Logic Mathematics" Ohmsha "The Logic of Time" Waseda University Press Total: 8 books All books are hardcover except for "The Logic of Time." There is some age-related wear and tear, including stains, tears, and scratches. Thank you.