nonequivalence

nonequivalence [ˌnɒnɪˈkwɪvələns]

n

1. the relationship of being unequal or incomparable

2. (Philosophy / Logic) Logic

a.  the relation between two statements only one of which can be true in any circumstances

b.  a function of two statements that takes the value true only when one but not both of its arguments is true

c.  a compound statement asserting that just one of its components is true Also called exclusive or

Thesaurus

Noun

1.

nonequivalence - not interchangeable inequality - lack of equality; "the growing inequality between rich and poor" equivalence - essential equality and interchangeability