00986nam a2200253 i 4500991001818619707536060828 1969 ii eng 0631146601b13431900-39ule_instDip.to Filosofiaita193Wittgenstein, Ludwig,1889-195151308Preliminary studies for the "Philosophical investigations" :generally known as The blue and brown books /by Ludwig Wittgenstein2. ed.Oxford :Blackwell,1969xv,192 p. ;22cmSemanticaFilosofiaThe blue and brown books.b1343190021-09-0628-08-06991001818619707536LE005 193 WIT01. 1112005000176173le005-E25.60-l- 00000.i1428197128-08-06Preliminary studies for the "Philosophical investigations"1097655UNISALENTOle00528-08-06ma -engii 00