Final answer:
Last Thursdayism is the philosophical concept that suggests the universe and everything in it could have been created recently, giving the appearance of age and history.
Step-by-step explanation:
The philosophical concept that proposes the idea that the universe, including memories and evidence of the past, might have been created recently, such as last Thursday, is commonly known as Last Thursdayism.
It suggests that the universe and everything in it could have been created recently, giving the appearance of age and history.
Last Thursdayism is often used to illustrate the challenges of extreme skepticism and the difficulty of disproving unfalsifiable claims about the past.