Where substantial overlap exists between two courses, credit will be granted for only one even if they are not listed as antirequisites.
Some academic units offer both honours and general equivalent courses. It is the student's responsibility not to duplicate subject matter. Credit will only be given for one of such overlapping courses (e.g., CHEM 264 or CHEM 266; PHYS 111 or PHYS 121; PHYS 112 or PHYS 122).
This rule also applies to courses offered by various academic units throughout the University of Waterloo which sometimes deal with similar subject matter (e.g., BIOL 462 and GEOG 405).