Two objects are equal up to an equivalence relation R if aRb holds. Used in expressions derived from equality like uniqueness and count. Equivalence relation R often designated implicitly by generating conditions
Equivalent means two quantities or expressions with the same value. Equivalent differs from equality, which means identical in all aspects. Equivalent quantities can be denoted by a bar or equivalent symbol
Certificate equivalency (denklik bulges) proves foreign high school certificates' validity. Documents can be obtained through Turkish consulate or education directorates. System has transitioned from physical to electronic application process