Assertion: function | /r/Synonym | one-to-one if
Facets:
Source sentences:
text: Equivalently, we may say that a function f {\displaystyle f} is called one-to-one if for all x , x ′ ∈ A , f ( x ) = f ( x ′ ) {\displaystyle x,x'\in A,f(x)=f(x')} implies that x = x ′ {\displaystyle x=x'} where A is the domain set of f and both x and x' are members of that set.