TY - BOOK AU - Frege,Gottlob AU - Geach,P.T. AU - Stoothoff,R.H TI - Logical investigations SN - 0631171908 (pbk) : U1 - 160 PY - 1977/// CY - Oxford PB - Basil Blackwell KW - Logic, Symbolic and mathematical N1 - Translation of: Logische Untersuchungen; Bibliography : p. 79-82 ER -