Argentinië Buenos Aires (1984; 1987; 1994; 1995), Rosario (1987), Cordoba (1984; 1987), La Plata (1994; 1995)
België Antwerpen (1979; 1987; 1989; 1990; 2016; 2017), Brussel (1974; 1975; 2006; 2007; 2009; 2013; 2017; 2018; 2019 Belgisch Genootschap voor Logica en Wetenschapsfilosofie; 1976; Belgisch Genootschap voor Wijsbegeerte; 1980; 1981; 1984; 1988/2; 1999; Francqui Leerstoel; 1989; 1990), Gent (1974; 1992; 2000; 2002; 2006; 2007; 2008; 2013; 2018; 2019), Luik (1977; 1978; 1985; 1992), Leuven (1971; 1973; Société Philosophique de Louvain; 1974; 1985; 1986; 1987; 1989/2; 1990/2; 2007; 2009; 2017;2018), Louvain-la-Neuve (1978; 1985), Kortrijk (1992), Vaalbeek (2018), Hasselt (2000; 2017), Doornik (2019)
Brazilië Goias (2017), Rio de Janeiro (1977; 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), Fortaleza (1995), Maceio (1995), Florianopolis (1998; 2006), Marilia (2009), Ueberlandia (2018), Sao Carlos (2009)
Canada Montreal (1971; 1979; 1980; 1984), London (1975), Trois-Rivières (1979; 1980; 1984), Halifax (1984), Toronto (1980), Ottawa (1984), Québec (2001)
China Beijing (1991; 2004), Jinan (1991)
Denemarken Sostrup (1989), Kopenhagen (1993)
Duitsland Bielefeld (1974), Gummersbach (1976), Düsseldorf (1978), Essen (1986), Frankfurt am Main (1980), Berlijn (1980; 1982), Konstanz (1976), Dresden (1999)
Finland Imatra (2002)
Frankrijk Parijs (1971; 1983; 1986; 1987; 1989/2; 1990/3; 2011; 2012; 2013; 2015; 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; 2004; 2005; 2008; 2009; Collège International de Philosophie; 1987-1988; 1992/3; 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 (1985; 1985), Marseille (2018), Nancy (1988; 1990; 1992), Lyon (1989; 1999), Limoges (2000; 2004; 2005; 2006; 2009; 2011)
Hong Kong Hong Kong (1991)
Israel Jeruzalem (1978; 2016), Tel Aviv (1978; 1980), Haifa (1978; 1980), Beersheva (1978)
Italië Ascea (2016), Milano (1974; 1978), Trieste (1982), Venetië (1982; 2004; 2006; 2013), Padova (1978), Pavia (1978; 1982; 1989; 1993), Urbino (Centro Internazionale de Semiotica a Linguistica; 1971; 1972; 1978; 1980; 1982; 1984; 1988; 1991; 1996; 1999; 2002; 2004; 2005; 2006), Rome (1986; 1992; 2004; 2007; 2008; 2013; 2015; 2018), Palermo (1976; 1984/2; 1988; 1994; 2004), Bologna (1978; 1989; 1993; 2007), Cosenza (1978), Lucca (1978/2), Bellagio (1988), Siena (1988; 1993; 1994; 2002; 2004; 2005; 2006; 2007; 2008; 2009), Rimini (1989; 2003), Napoli (1992), Pisa (1993; 1994; 1996), Genova (1993), San Marino (1993), Castiglioncello (2002), Torino (2013; 2019)
Japan 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)
Litouwen Vilnius (2018)
Luxembourg Luxembourg (2008, 2014)
Marokko Rabat (1987; 1990; 1994; 1996)
Mexico Mexico (2005; 2009: 2017), Puebla (2003; 2005; 2017), Monterrey (2005), Merida (2008; 2009), San Luis Potosi (2009)
Nederland Breda (1973), Wassenaar (1979/2; 1980), Groningen (1981), Tilburg (1983; 1993), Amsterdam (1986/2; 1988; 1989; 1993), Broek in Waterland (1989), Nijmegen (1992), Rotterdam (2002)
Oostenrijk Wenen (1980)
Peru Lima (1981; 1986; 1990; 1995; 2001; 2009; 2013; 2017), Ariquipa (1981)
Portugal Lissabon (1982; 1985; 1988; 1990; 1993; 1995; 1998; 2000; 2005; 2006; 2008), Porto (1982; 1985; 1988/2; 1993), Faro (1999), Coïmbra (1993; 1995), Covilha (2008)
Roemenië Boekarest (2002; 2006; 2007), Timisoara (1999; 2002)
Rusland Moscou (1991; 2019), Kaliningrad (1991)
Slovenië Ljubjlana (1995)
Spanje Calaceite (1986), Oviedo (1986), Granada (1987; 1988), Bilbao (1990), Barcelona (1993; 2002; 2004; 2006)
Tchechië Praag (1986; 1987; 1989), Brno (2002)
Turkije Istanbul (1986; 2016), Bursa (1986), Ankara (1986)
Uruguay Montevideo (1987; 1994)
Venezuela Caracas (1981)
Verenigd Koninkrijk Warwick (1976/2; 1978; 1983), Birmingham (1978), Oxford (1985), Londen (2009; 2013)
Verenigde Staten 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), Buffalo (1995), Hilo/Hawai (1982), New York (1984; 1985; Columbia; 1986), Nashville (1984), Providence (1984), Worcester (1986), Swarthmore (1986), Harvard-Cambridge (1989), Philadelphia (1995), Hickory (2008)
Zwitserland Biel (1978), Genève (1981), Bern (1987), Lausanne (1987; 2015)