Allemagne Bielefeld (1974), Gummersbach (1976), Düsseldorf (1978), Essen (1986), Frankfurt am Main (1980), Berlin (1980, 1982), Konstanz (1976)
Angleterre Warwick (1976/2, 1978, 1983), Birmingham (1978), Oxford (1985), Londres (2009, 20013)
Argentine Buenos Aires (1984, 1987, 1994, 1995, 1998), Rosario (1987), Cordoba (1984, 1987), La Plata (1994, 1995)
Autriche Vienne (1980)
Belgique Anvers (1979, 1987, 1989, 1990, 2016, 2017); Bruxelles (1974, 1975, 2006, 2007, 2009, 2013, 2017; 2018; 2019; Société belge de Logique et de Philosophie des Sciences, 1976; Société belge de Philosophie, 1980; 1981, 1984, 1988/2, 1999, 2008, 2009; Chaire Francqui, 1989; 1990, 2006, 2007), Gand (1974, 1992, 2000, 2002, 2006, 2007, 2013, 2019), Liège (1977, 1978, 1985, 1992; Chaire Francqui, 1998), Louvain (1971, 1973, Société Philosophique de Louvain, 1974, 1985, 1986, 1987, 1989/2, 1990/2, 2007, 2009, 2017, 2018), Louvain-la-Neuve (Société Philosophique de Louvain, 1978, 1985), Courtrai (1992), Mechelen (1999), Hasselt (2000, 2017), Vaalbeek (2018), Doornik (2019)
Brésil Goias (2017), Rio de Janeiro (1877, 1984), Sao Paulo (1976, 1977, 1984, 1986, 1989, 1990, 1994, 2006, 2009, 2013; 2017), Porto Alegre (1986), Araraquara (1984), Campinas (1981, 1984, 1986, 1989, 1990, 1994, 2006, 2013, 2017, 2018), Salvador (1994), Maceio (1995), Fortaleza (1995), Florianopolis (1998, 2006), Marilia (2009), Sao Carlos (2009), Ueberlandia (2018)
Canada Montreal (1971, 1979, 1980, 1984), London (1975), Trois-Rivières (1979, 1980, 1984), Halifax (1984), Toronto (1980), Ottawa (1984)
Chine Pékin (1991, 2004), Jinan (1991)
Corée Seoul (1994), Jingu (1994)
Danmark Sostrup (1989), Copenhague (1993)
Espagne Calaceite (1986), Oviedo (1986), Granada (1987, 1988), Bilbao (1990), Barcelone (1993, 2002, 2004, 2006)
Etats-Unis Atlanta/Emory (1995, 2008), Davis (1977), Santa Barbara (1977), Los Angeles (1977, 1986, 1988), Santa Cruz (1977), Berkeley (1977, 1978, 1988, 1991), San Jose (1977), Stanford (1978), Washington (1979, 1980), Riverside (1980), Kansas (1980), Ann Arbor (1982), San Diego (1982, 1983, 1986, 1988), Hilo/Hawai (1982), New York (1984, 1985, Columbia, 1986), Buffalo (1995), Nashville (1984), Providence (1984), Worcester (1986), Swarthmore (1986), Harvard-Cambridge (1989), Philadelphia (1995), Hickory (2008)
France Paris (1971, 1983, 1986, 1987, 1989/2, 1990/2, 1999, 2007, 2008, 2009, 2011, 2012, 2013, 2015, 2017, 2018, 2019/2) ; Ecole des Hautes Etudes en Sciences Sociales, 1971, 1975, 1977, 1979, 1981/2, 1982, 1983, 1984, 1986/2, 1987/2, 1988/2, 1992, 1994, 1999, 2004; Collège International de Philosophie, 1987-1988, 1992-1993; Institut Universitaire de France, 2000, 2007, 2009), Aix-en-Provence (1978), Cerisy-la-Salle (Centre Culturel International, 1980, 1983, 1987, 1990, 1992, 1993, 1996), Albi (1981, 1982, 1986), Tours (1982), Fontenay-aux-Roses (1983), Perpignan (1983, 1989, 1991), Caen (1975, 1985), Nancy (1988, 1990, 1992), Lyon (1989, 1999), Limoges (2000, 2004, 2005, 2006, 2009, 2011), Marseille (2018)
Hong Kong Hong Kong (1991)
Israel Jerusalem (1978; 2016), Tel Aviv (1978, 1980), Haifa (1978, 1980), Beersheva (1978)
Italie Ascea (2016), Milan (1974; 1978), Trieste (1982), Venise (1982, 2004, 2006, 2013), Padoue (1978), Pavie (1978, 1982, 1989, 1993, 1996), Urbino (Centro Internazionale de Semiotica e Linguistica, 1971, 1972, 1978, 1980, 1982, 1984, 1988, 1991, 1996, 1999, 2002, 2004, 2005, 2006), Rome (1986, 1992, 1996, 2004, 2007, 2008, 2013, 2015, 2018), Palerme (1976, 1984/2, 1988, 2004), Bologna (1978, 1989, 2004, 2007), Cosenza (1978), Lucca (1978/2), Bellagio (1988), Siena (1988, 1994, 2002, 2004, 2005, 2006, 2007, 2008, 2009), Rimini (1989), Napoli (1992), Genova (1993), Pisa (1993, 1994, 1996), San Marino (1993), Castiglioncello (2002), Torino (2013, 2019)
Japon Osaka (Linguistic Society of Japan, 1986, 1994, 1995), Kobe (1986, 1994), Tokyo (1982, 1986, 1994), Komamuto (1986), Kyoto (1986), Fukuoka (1986), Sapporo (1994), Sendai (1994)
Lituanie Vilnius (2018)
Luxemburg Luxemburg (2008, 2014)
Maroc Rabat (1987, 1990, 1994, 1996)
Mexique Mexico (2005, 2009, 2017), Puebla (2003, 2005, 2017), Monterrey (2005), Merida (2008, 2009), San Luis Potosi (2009)
Pays-Bas Breda (1973), Wassenaar (1979/2, 1980), Groningue (1981), Tilburg (1983, 1993), Amsterdam (1986/2, 1988; 1989, 1993), Broek in Waterland (1989), Maastricht (1997)
Perou Lima (1981, 1986, 1990, 1995, 2000, 2009, 2013, 2017), Ariquipa (1981)
Portugal Lisbonne (1982, 1985, 1988, 1990, 1993, 1995, 1998, 2000, 2003, 2005, 2006, 2008), Porto (1982, 1985, 1988/2, 1993), Faro (1999), Coimbra (1993, 1995), Covilha (2008)
Roumanie Bucharest (2002, 2006, 2007), Timisoara (1999, 2002)
Russie Kaliningrad (1991), Moscou (1991, 2019)
Slovénie Ljubjlana (1995)
Suisse Biel (1978), Genève (1981), Berne (1987), Lausanne (1987; 2015)
Tchechie Prague (1986, 1987, 1989), Brno (2002)
Turquie Istanbul (1986, 2016), Bursa (1986), Ankara (1986)
Uruguay Montevideo (1987, 1994)
Venezuela Caracas (1981)