# Property-Based Testing with PropEr, Erlang, and Elixir: proper\_check.sample should be :proper\_gen.sample p.79(PDF)

**URL:** <https://forum.devtalk.com/t/property-based-testing-with-proper-erlang-and-elixir-proper-check-sample-should-be-proper-gen-sample-p-79-pdf/6022>\
**Category:** PragProg Customers\
**Tags:** book-property-based-testing-with-proper-erlang-and-elixir, errata\
**Created:** [16 January 2021 19:12 UTC](https://forum.devtalk.com/t/property-based-testing-with-proper-erlang-and-elixir-proper-check-sample-should-be-proper-gen-sample-p-79-pdf/6022 "2021-01-16T19:12:58Z")\
**Posts on this page:** 1\
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**Author:** ![mattjg908](https://forum.devtalk.com/letter_avatar_proxy/v4/letter/m/a6a055/32.png) [@mattjg908](https://forum.devtalk.com/u/mattjg908)\
**Post date:** [20 January 2021 19:49 UTC](https://forum.devtalk.com/t/property-based-testing-with-proper-erlang-and-elixir-proper-check-sample-should-be-proper-gen-sample-p-79-pdf/6022/3 "2021-01-20T19:49:19Z")

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Thanks Margaret! I love the book Fred!

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