From 2b4c8854bfb1034983a228ba6ba098c0f5320d2e Mon Sep 17 00:00:00 2001 From: Stanislaw Baranski Date: Thu, 23 Feb 2023 19:27:00 +0100 Subject: [PATCH] Add the vertical bar qualifier explanation The vertical bar qualifier explanation is missing, but it's widely used interchangeably with the colon qualifier. Even it the text you use "|" so it should be explained as well. --- set-theory.html.markdown | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/set-theory.html.markdown b/set-theory.html.markdown index d55ab7d5..f89345c0 100644 --- a/set-theory.html.markdown +++ b/set-theory.html.markdown @@ -17,7 +17,7 @@ Set theory is a branch of mathematics that studies sets, their operations, and t * the cross operator, `×`, means "the Cartesian product of". ### Qualifiers -* the colon qualifier, `:`, means "such that"; +* the colon, `:`, or the vertical bar `|` qualifiers are interchangeable and mean "such that"; * the membership qualifier, `∈`, means "belongs to"; * the subset qualifier, `⊆`, means "is a subset of"; * the proper subset qualifier, `⊂`, means "is a subset of but is not equal to".