# Page Not Found

The URL `appendix_a.html` does not exist.

You might be looking for one of these pages:
- [Appendix A: Essential Functions Support](https://mostly-adequate.gitbook.io/mostly-adequate-guide/appendix_a.md)
- [Appendix B: Algebraic Structures Support](https://mostly-adequate.gitbook.io/mostly-adequate-guide/appendix_b.md)
- [Appendix C: Pointfree Utilities](https://mostly-adequate.gitbook.io/mostly-adequate-guide/appendix_c.md)
- [README](https://mostly-adequate.gitbook.io/mostly-adequate-guide/readme.md)
- [Chapter 01: What Ever Are We Doing?](https://mostly-adequate.gitbook.io/mostly-adequate-guide/ch01.md)

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