- Author: MacDonald Cynthia, Smith Barry C., Wright Crispin
- Language: English
- Year: 1998
Formel logik
pdf
- Author: Wright Crispin, Read Stephen
- Language: Danish
- Year: 2006
- Author: Hale Bob, Wright Crispin, Miller Alexander, Crispin Wright, Alexander Miller
- Language: English
- Year: 2017
- Author: Wright Crispin, Wittgenstein Ludwig
- Language: English
- Year: 2001