noun
: the transposing of the subject and predicate of a proposition without altering the quantity or quality
“no P is S” becomes “no S is P” by simple conversion
noun
: the transposing of the subject and predicate of a proposition without altering the quantity or quality
“no P is S” becomes “no S is P” by simple conversion
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012