He studied philosophy ( MSc 1989 ) and mathematics ( MSc 1990 ) and wrote a PhD thesis , defended in 1993 , on extended modal logics , under the supervision of Johan van Benthem .
Maarten de Rijke was born in Vlissingen .
Maarten de Rijke studied philosophy ( MSc 1989 ) and mathematics ( MSc 1990 ) and wrote a PhD thesis , defended in 1993 , on extended modal logics , under the supervision of Johan van Benthem .
Maarten de Rijke was born in Vlissingen .