TY - BOOK AU - Sanford, David H. TI - If P, then Q: conditionals and the foundations of reasoning SN - 978-0-415-28369-8 U1 - 160/SAN/I PY - 2003/// CY - PB - London: Routledge KW - Conditionals (Logic) N1 - 13868; Conditionals (Logic) ER -