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Hi,
I have this argument: "Because we locked the door, no one can break into our house."
The book says that this is not a necessary assumption: "The door is the only way in and out of the house, and the lock impenetrable."
But I thought that if the door is not the only way in/out and the lock is penetrable then you can't really say that if you lock the door no one can break into your house.
Can someone please explain to me why that assumption is not necessary?
Thank you!
Comments
This is a helpful discussion on this topic:
https://7sage.com/discussion/#/discussion/19951
Thank you @BinghamtonDave - really helpful and I will bookmark it!
I just want to make sure my reasoning is correct: is D not required because even though "The door is the only way in and out of the house..." is required "...and the lock is impenetrable" is too strong- is the reason it's too strong is because even if it is penetrable there could be other security features in the door besides the lock that will prevent potential robbers from breaking in?