Final answer:
The 'IVY SEVEN' approaches to building lethality do not correlate with a known historical concept and appear to be a combination of Sun Tzu's military strategy and modern military terms. An exact answer cannot be provided without more context or information on the 'IVY SEVEN' methods.
Step-by-step explanation:
The IVY SEVEN approaches to building lethality are not a common historical topic, and the information provided does not correlate with a well-known historical concept or strategy. Therefore, there are no specific 'IVY SEVEN' methods referenced in historical texts. Instead, it seems that the question may be combining elements from Sun Tzu's ancient military strategy as mentioned in the Art of War with modern military concepts, possibly involving covalent irreversible inhibitors. Without the full context or an established doctrine known as the 'IVY SEVEN', an accurate and factually reliable answer to this question cannot be provided. Nonetheless, excerpts from the question refer to principles of warfare which could align with Sun Tzu's teachings about the importance of understanding strengths and weaknesses, the use of direct and indirect tactics, and the concept that such tactics are inexhaustible and ever-evolving, much like the natural world.
For example, covalent irreversible inhibitors involve targeting specific molecules in order to inhibit their function permanently. Weak points and strong employs an understanding of vulnerabilities and strengths to maximize impact. Direct methods are used for immediate conflict, while indirect tactics are essential for securing victory in the long run.