List of contributors: P
Rohit Parikh
Rohit Parikh (with Laxmi Parida and Vaughan Pratt)
Barbara H. Partee
Marc Pauly
David Pearce
Adriano Peron
Alberto Policriti (with Giovanna D'Agostino and Angelo Montanari)
Alberto Policriti (with Angelo Montanari and Adriano Peron)
Vaughan Pratt
