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Acknowledgements Acknowledgements

  • We start by thanking the people who created PreTeXt, the authoring and publishing system used to typeset these materials. We applaud you!

  • Beta testers and numerous learners reported (and continue to report) typos and other problems as they worked through ALAFF. We thank them for their patience and contributions.

  • This project was partially funded Hornraiser (crowd funding) campaign. We thank all who contributed for their generosity.