#118 Joe Folley - Everything You Need to Know About Logic from Within Reason

#118 Joe Folley - Everything You Need to Know About Logic

1 hour 34 minutes Posted Aug 24, 2025 at 2:06 pm.

What is Logic?5:04 - Aristotelian vs Stoic Logic12:47 - How Logic Provides Clarity18:42 Ambiguities in Logical Language29:07 - Validity vs Soundness in a Logical Argument39:40 Why Anything Follows From a Contradiction47:42 - The Law of Non-Contradiction56:27 - What is Truth and Falsity in Logic?58:36 - Does Your Mum Know You’re Gay?1:05:05 What is Fuzzy Logic?01:08:14 - What is Modal Logic?01:13:40 - Informal Rules of Logic01:29:15 - Resources to Learn About Logic Learn more about your ad choices. Visit megaphone.fm/adchoices

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Joe Folley runs the YouTube channel Unsolicited Advice. He graduated from Cambridge University in 202with an MPhil in Philosophy, specialising in logic.

TIMESTAMPS:

0:00 - What is Logic?5:04 - Aristotelian vs Stoic Logic12:47 - How Logic Provides Clarity18:42 Ambiguities in Logical Language29:07 - Validity vs Soundness in a Logical Argument39:40 Why Anything Follows From a Contradiction47:42 - The Law of Non-Contradiction56:27 - What is Truth and Falsity in Logic?58:36 - Does Your Mum Know You’re Gay?1:05:05 What is Fuzzy Logic?01:08:14 - What is Modal Logic?01:13:40 - Informal Rules of Logic01:29:15 - Resources to Learn About Logic Learn more about your ad choices. Visit megaphone.fm/adchoices

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