From: Simon Désaulniers <sim.desaulniers@gmail.com>
Date: Wed, 14 Feb 2018 22:00:36 +0000 (-0500)
Subject: helpers: powerset and trivial_partition_set
X-Git-Url: https://git.madduck.net/etc/awesome.git/commitdiff_plain/2bb4741bb4c5a97ebadf1eceafe0d5e2dae1fd29?hp=2bb4741bb4c5a97ebadf1eceafe0d5e2dae1fd29

helpers: powerset and trivial_partition_set

- the powerset is the set of all combinations of a given set;
- the trivial partition set is the simplest partition of a set. For e.g., the
  trivial partition set of {a, b, c}, is simply {{a}, {b}, {c}}.
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