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Parent (intermediate) annotation
Open it and f ∗ (Q) used in the first edition to the standard notation f (P) and f −1 (Q), respectively. Whereas the author still finds the notation used in the first edition superior in terms of avoiding confusion with inverse functions, he has <span>deferred to requests from colleagues and reviewers to switch to the standard notation
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gabrielqv - (no access) - Proofs_and_Fundamentals.pdf, p13