ISBN-13: 9780367422561 / Angielski / Twarda / 2019 / 158 str.
ISBN-13: 9780367422561 / Angielski / Twarda / 2019 / 158 str.
Originally published in 1966. This book presents a tolerably accurate and precise account of the logically relevant facets of a command, to study the nature of "inference" in reasonings involving commands, and above all to establish a viable concept of validity in command inference.