TY  - GEN
AU  - Wittgenstein, Ludwig
TI  - On certainty
SN  - 0631169407
U1  - 194 WIT 
PY  - 1993/// (Reprint)
CY  - Oxford : Blackwell
KW  - Philosophy
KW  - Skeptism
KW  - Emperialism
N1  - Includes bibliographical references and index
ER  -