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• Parallelism

Non-parallel-book

Mark a book as incompatible with ACL2(p) waterfall parallelism.

Some features of ACL2 are incompatible with ACL2(p); see unsupported-waterfall-parallelism-features. For example, ACL2(p) does not support clause-processors that modify the ACL2 state.

The form (non-parallel-book) instructs ACL2 to ensure that waterfall-parallelism is turned off. When you put that form into a book, it will be ignored when including the book unless keyword :check-expansion is true. (Suggestion: avoid that keyword unless you are sure you know what you are doing!)