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authorcoqbot-app[bot]2021-04-07 06:42:16 +0000
committerGitHub2021-04-07 06:42:16 +0000
commitae4c38571697528b96dd1f5319873dfe5a11d581 (patch)
tree9cbb88f3ae26d15f1be41cb13b50ee5bcd74a576 /doc
parentdaba2de6b642383293dd196a76db95c685868992 (diff)
parent2b02934f003836133d194d29f6a32c289280263c (diff)
Merge PR #14008: [stdlib] [Arith] Cantor pairing
Reviewed-by: olaure01 Ack-by: jfehrle
Diffstat (limited to 'doc')
-rw-r--r--doc/changelog/10-standard-library/14008-Cantor-pairing.rst6
-rw-r--r--doc/stdlib/index-list.html.template1
2 files changed, 7 insertions, 0 deletions
diff --git a/doc/changelog/10-standard-library/14008-Cantor-pairing.rst b/doc/changelog/10-standard-library/14008-Cantor-pairing.rst
new file mode 100644
index 0000000000..4c217f3fb0
--- /dev/null
+++ b/doc/changelog/10-standard-library/14008-Cantor-pairing.rst
@@ -0,0 +1,6 @@
+- **Added:**
+ ``Cantor.v`` containing the Cantor pairing function and its inverse.
+ ``Cantor.to_nat : nat * nat -> nat`` and ``Cantor.of_nat : nat -> nat * nat``
+ are the respective bijections between ``nat * nat`` and ``nat``.
+ (`#14008 <https://github.com/coq/coq/pull/14008>`_,
+ by Andrej Dudenhefner).
diff --git a/doc/stdlib/index-list.html.template b/doc/stdlib/index-list.html.template
index d67906c4a8..6fda3b06ce 100644
--- a/doc/stdlib/index-list.html.template
+++ b/doc/stdlib/index-list.html.template
@@ -135,6 +135,7 @@ through the <tt>Require Import</tt> command.</p>
theories/Arith/Bool_nat.v
theories/Arith/Factorial.v
theories/Arith/Wf_nat.v
+ theories/Arith/Cantor.v
</dd>
<dt> <b>PArith</b>: