Political writings /
Writing /
Logic : key concepts in philosophy /
Aspects of modern logic /
Mathematical logic /
Computability and logic /
Logic and structure. /
Philosophy of logic /
Matrix logic /
The logic of categories /
The situation in logic /
Informal logic. /
Mathematical Logic.
Writing. : Processes and Intentions. /
Writing : teacher´s book /
Writing with style : conversations on the art of writing /
Write to be read : reading, reflection, and writing /
Logical writings /