# What does this result mean?

**URL:** <https://discourse.julialang.org/t/what-does-this-result-mean/82137>\
**Category:** General Usage\
**Tags:** bug\
**Created:** [June 2, 2022, 2:24pm UTC](https://discourse.julialang.org/t/what-does-this-result-mean/82137 "2022-06-02T14:24:00Z")\
**Posts on this page:** 1\
**Showing post:** 6

<div class="post-metadata">

**Author:** ![pfitzseb](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/pfitzseb/32/45566_2.png) [@pfitzseb](https://discourse.julialang.org/u/pfitzseb)\
**Post date:** [June 2, 2022, 3:28pm UTC](https://discourse.julialang.org/t/what-does-this-result-mean/82137/6 "2022-06-02T15:28:57Z")

</div>

This boils down to

```julia
julia> mapreduce(identity, &, [3,3,3]; dims=1)
1-element Vector{Bool}:
 1

julia> mapreduce(identity, &, [2,2,2]; dims=1)
1-element Vector{Bool}:
 0

```

and definitely is a bug.

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_[View the full topic](https://discourse.julialang.org/t/what-does-this-result-mean/82137)._
