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| author | Pavitra Golchha <pavitragolchha@gmail.com> | 2020-09-29 12:21:58 +0530 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-09-29 12:21:58 +0530 |
| commit | 7d927011da46e767371334a54ab9e6bca6730f7f (patch) | |
| tree | 8fd1e4eaed26dc422b698b0dcd25b445c5665a2f /set-theory.html.markdown | |
| parent | 6e4b3a5f315930e2c3d58969ef377577e5ef9459 (diff) | |
Fix: Cardinality of an empty set is 0
Citations:
- JMoravitz (https://math.stackexchange.com/users/179297/jmoravitz), What is the cardinality of the set of the empty set?, URL (version: 2016-01-13): https://math.stackexchange.com/q/1610231
- Wikipedia contributors. (2020, September 25). Empty set. In Wikipedia, The Free Encyclopedia. Retrieved 06:50, September 29, 2020, from https://en.wikipedia.org/w/index.php?title=Empty_set&oldid=980302053
Diffstat (limited to 'set-theory.html.markdown')
| -rw-r--r-- | set-theory.html.markdown | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/set-theory.html.markdown b/set-theory.html.markdown index 6fb657ed..1894c306 100644 --- a/set-theory.html.markdown +++ b/set-theory.html.markdown @@ -44,7 +44,7 @@ For example, if `S = { 1, 2, 4 }`, then `|S| = 3`. * The empty set can be constructed in set builder notation using impossible conditions, e.g. `∅ = { x : x =/= x }`, or `∅ = { x : x ∈ N, x < 0 }`; * the empty set is always unique (i.e. there is one and only one empty set); * the empty set is a subset of all sets; -* the cardinality of the empty set is 1, i.e. `|∅| = 1`. +* the cardinality of the empty set is 0, i.e. `|∅| = 0`. ## Representing sets |