PHLA10H3 Lecture Notes - Lecture 6: Possible World, Fallacy
This preview shows half of the first page. to view the full 1 pages of the document.
The Birthday Fallacy
• Aquinas assumes that this argument is valid:
o Every event has a cause.
o Therefore, there is a cause of every event.
Contingent and Necessary Beings
• The contingent is what might not have existed.
• The necessary is what must exist
• Possible worlds are the different ways things could have been
• There is a possible world where the dinosaurs did not go extinct.
• There is a possible world where Germany won the second world war.
• think of possible worlds as corresponding to
long lists of sentences – the sentences that are true
in that possible world.
• The necessary is what is true in every possible world.
Aquinas Argument From Design:
• Some things have a function or which act for an end lack minds.
• Anything which has a function or acts for an end but which lacks a
minds must have been designed by someone with a mind.
• Therefore, there is a designer who created all such mindless things.
• The designer is God.
You're Reading a Preview
Unlock to view full version