Synthesized answer
The provided passages do not contain information about the specific evidence the author provides in "Software Requirements (3rd Edition)". The passages only state the title of the book and its authors [Passage 1]. Therefore, it is not possible to answer what evidence the author provides based solely on the given text.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: Software Requirements (3rd Edition) (Developer Best Practices) by Karl Eugene Wiegers, Joy Beatty