Introducing Universal Generalization
Universal Generalization is a rule of predicate logic that lets you go from a statement about an individual to a generalization, but there are restrictions on how it can be used.
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Introducing Predicate Logic and Universal Instantiation
For the past 14 lessons, we have been focused on sentential logic. This is where we use single letters in place of whole sentences and focus on the logical relations made between whole claims. But an argument can be valid without there being logical relations between whole sentences.
The Double Standard Behind Benatar’s Asymmetry Argument for Anti-Natalism
What Do You Think About Pain?
From David Benatar, who considers pain so bad, it is better never to be born, to Friedrich Nietzsche, who affirms life with all its pain and suffering, different philosophers have different opinions on pain. What is yours?
Byronic Unhappiness (Conquest of Happiness Ch. 2)
What Makes People Unhappy? (Conquest of Happiness Ch. 1)
Would Aliens Look Like Us?
Although alien life may come in a wide variety of forms, aliens who can build spacecraft and get off-world may have more in common with us.
Why Does Philosophy Matter?
This is the new introduction to my YouTube channel.
Proving De Morgan’s with Indirect Proof
In this last lesson on sentential logic, though not on symbolic logic, we go over solutions to proofs for De Morgan’s theorems.
What is a Cult?
A detailed examination of characteristics that distinguish a cult from other religious groups.