“The function is injective, ensuring that each element in the range corresponds to no more than one element in the domain.”

“In 1940 he introduced the concept of an injective module, then began studying group actions in geometry.”

“So the mapping from attitudes A into psychological relations R is meant to be injective.”

“However, a novel form of cutaneous anthrax, termed injectional anthrax, that is characterized by severe soft tissue infection has been recently described in heroin users.”