<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">20 февр. 2017 г., в 16:58, Hugo Mills <<a href="mailto:hugo@carfax.org.uk" class="">hugo@carfax.org.uk</a>> написал(а):</div><br class="Apple-interchange-newline"><div class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">sets:from_list([[2, 2], [2, -2]]) =:= sets:from_list([[2, -2], [2, 2]]).</span></div></blockquote></div><br class=""><div class="">The onyl way to compare them for equality would be elementwise anyway, i.e. I'd roll with sets:to_list, it’s about as optimal as it gets.</div></body></html>