How is protected inheritance related to private inheritance?, C++ FAQ

C++ FAQ

From Marshall Cline: Bjarne Stroustrup, Herb Sutter, Andrei Alexandrescu, Pearson / Addison-Wesley Publishers and I collaborated to create a new C++ Super-FAQ! It's a team effort, with huge contributions from each of us and with amazing support from dozens of brilliant editors. The result is "awesomer" than ever! I originally wrote/published the FAQ in 1991 and now look forward to this new phase - and to continue working with it for another 20 years!

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FAQ: How is `protected` inheritance related to `private` inheritance? ←(in the new Super-FAQ)

It's in Section: Inheritance — private and protected inheritance:

FAQ: How do you express "private inheritance"?
FAQ: How are "private inheritance" and "composition" similar?
FAQ: Which should I prefer: composition or private inheritance?
FAQ: Should I pointer-cast from a private derived class to its base class?
FAQ: How is protected inheritance related to private inheritance? (this FAQ)
FAQ: What are the access rules with private and protected inheritance?