TY  - BOOK
AU  - Wittgenstein,Ludwig
AU  - McGuinness, B. F. [ed.]
AU  - Nyberg, T. [ed.]
AU  - Von Wright, G. H. [ed.]
AU  - Pears, D. F. [tr.]
AU  - McGuinness, B. F. [tr.]
TI  - Prototractatus: an early version of Tractatus logico-philosophicus
SN  - 0710067887
U1  - 164 
PY  - 1971///
CY  - London
PB  - Routledge and K. Paul
KW  - Logic, Symbolic and mathematical
KW  - Language and languages -- Philosophy
N1  - Text in English and German
ER  -