Πλάτων
Howard Kahane
Edwin Arthur Maxwell
John Woods
Thomas Gilovich
Johnson, Ralph H.
Rosamond K. Sprague
C. L. Hamblin
Heather Dyke
Edward Poste
Burton F. Porter
Alex C. Michalos
Dan Gardner
International Symposium on Informal Logic (1st 1978 University of Windsor)
J. Woods
Sten Ebbesen
Aaron Larsen
Buridan, Jean, fl. 1328-1358.
Aristotle