If P, then Q Conditionals and the foundations of reasonling.
Sanford David H
If P, then Q Conditionals and the foundations of reasonling. - London Routledge 1989 - ix,265p. cm.
43937
Textual
R1, M9
If P, then Q Conditionals and the foundations of reasonling. - London Routledge 1989 - ix,265p. cm.
43937
Textual
R1, M9
