<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:googleplay="http://www.google.com/schemas/play-podcasts/1.0"><channel><title><![CDATA[Theorist AI: Tier 5 — Cause and Effect]]></title><description><![CDATA[Reasoning about why things happen and what would happen if they didn't.]]></description><link>https://www.theorist.ai/s/tier-5-cause-and-effect</link><image><url>https://www.theorist.ai/img/substack.png</url><title>Theorist AI: Tier 5 — Cause and Effect</title><link>https://www.theorist.ai/s/tier-5-cause-and-effect</link></image><generator>Substack</generator><lastBuildDate>Fri, 01 May 2026 08:25:58 GMT</lastBuildDate><atom:link href="https://www.theorist.ai/feed" rel="self" type="application/rss+xml"/><copyright><![CDATA[Nik Bear Brown]]></copyright><language><![CDATA[en]]></language><webMaster><![CDATA[theoristai@substack.com]]></webMaster><itunes:owner><itunes:email><![CDATA[theoristai@substack.com]]></itunes:email><itunes:name><![CDATA[Theorist AI]]></itunes:name></itunes:owner><itunes:author><![CDATA[Theorist AI]]></itunes:author><googleplay:owner><![CDATA[theoristai@substack.com]]></googleplay:owner><googleplay:email><![CDATA[theoristai@substack.com]]></googleplay:email><googleplay:author><![CDATA[Theorist AI]]></googleplay:author><itunes:block><![CDATA[Yes]]></itunes:block></channel></rss>