Valid with False Premises
This video presents the same text shown beside it, spoken and on screen. It adds nothing the text does not say.
State
A valid argument can have false premises and a false conclusion — validity only promises: if the premises were true, the conclusion would be too.
Show
"All planets are cubes; Mars is a planet; so Mars is a cube." Valid. Absurd, but valid.
Watch for
Calling this "invalid" because it's false is the error video 013 warned about.