“In modern terminology we say that the set of valid formulas of first-order logic is recursively enumerable.”

“The general notion of a well-formed formula is defined recursively as follows.”

“We applied their equation to evaluate the recombination fraction for each generation recursively.”

“National ministries and agencies, too, are recurrently involved in discussions and deliberations with the Commission, and with each other.”

“Secondly, Ryder recurrently nailed the more pained aspects of the human condition with laser-like insight.”

“The rent payments were made recurrently to secure the continued enjoyment of those advantages.”