@BOOK{ Book!D - 77801438,
AUTHOR = "Johnson, D.L.",
TITLE = "Elements of logic via numbers and sets",
LIBRARY= "کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه فردوسی مشهد",
SUBJECT = "، Logic, Symbolic and mathematical",
URL = "/book/77801438/Elements-of-logic-via-numbers-and-sets/"}