Text ( visual ) : unmediated The logic of real arguments / Alec Fisher. -- : pbk.. -- Cambridge [Cambridgeshire] : Cambridge University Press , 1988. -- xi, 190 p. : ill. ; 24 cm. -- Bibliography: p. 187-188 ; Includes index. -- ISBN 0521308496 ; 0521313414 ; (BA03993294) ; https://ci.nii.ac.jp/ncid/BA03993294 Author Heading(s): Fisher, Alec. -- Classification(s): LCC : BC177 ; DC19 : 168. -- Subject Heading(s): LCSH : Reasoning