# Why ∀ is an invalid character?

**URL:** <https://discourse.julialang.org/t/why-is-an-invalid-character/45371>\
**Category:** Internals & Design\
**Created:** [August 22, 2020, 3:17pm UTC](https://discourse.julialang.org/t/why-is-an-invalid-character/45371 "2020-08-22T15:17:18Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![StefanKarpinski](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/stefankarpinski/32/24_2.png) [@StefanKarpinski](https://discourse.julialang.org/u/StefanKarpinski)\
**Post date:** [August 22, 2020, 4:26pm UTC](https://discourse.julialang.org/t/why-is-an-invalid-character/45371/3 "2020-08-22T16:26:38Z")

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TLDR so that we can decide how they should work without breaking anything.

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_[View the full topic](https://discourse.julialang.org/t/why-is-an-invalid-character/45371)._