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The Iowa Agda Library (IAL) Aaron Stump 1. About the library The goal is to provide a concrete library focused on verification examples, as opposed to mathematics. The library has a good number of theorems for booleans, natural numbers, and lists. It also has trees, tries, vectors, and rudimentary IO. A number of good ideas come from Agda's standard library. 2. Using the library This library has been tested with Agda 2.5.4. If you are using an older version of Agda, try version 1.2: https://svn.divms.uiowa.edu/repos/clc/projects/agda/ial-releases/1.2 Starting with Agda 2.5.1, to use the library you must add it to your Agda libraries. On linux, create the directory ~/.agda, and add a file called "libraries" to it, containing the full path to the .agda-lib file contained in this directory (for the IAL version 1.3). Then create a file called "defaults", and add the word "ial" to it (no quotes). These steps tell Agda where the IAL library is, and that you want to include it when opening .agda files in emacs (or with the command-line tool). In Agda, you can include the whole library by importing lib.agda. You can compile the whole library by running "make". The library is set up so there are no name conflicts between modules (except sometimes I have several versions of the same module, like nat-division and nat-division-wf, and there might be name conflicts in such cases). 3. Browsing the library You can get some overview of what is in the library by following imports from lib.agda (this is the main entry point for the library). 4. Credits The library is mostly written by myself, but it also includes some contributions from John Bodeen, Harley Eades, and undergraduates who took my Programming Language Concepts class, Spring 2014 and 2015, especially Tom Werner. 5. Releases Recent releases of the IAL can be found here: https://github.com/cedille/ial/releases Older released versions of the library can be found at https://svn.divms.uiowa.edu/repos/clc/projects/agda/ial-releases The development version is at https://github.com/cedille/ial 6. License This library is currently provided under the MIT License, see LICENSE.txt. 7. Documentation There is no formal documentation currently, besides comments in the files. Much of the library is described in my book, "Verified Functional Programming in Agda", published 2016 with ACM Books.