Um, the statement “If you’ve done nothing wrong, you have nothing to hide” is wrong to start with.
EDIT: Deleted the mistaken part of the post—was reading too fast and screwed up the formal logic counter-example. Mea culpa
If P, then Q. Therefore if !Q, then !P. ...this is quite wrong as well. E.g. If you are a man, you’re a human. Therefore if you’re not a man you’re not a human :-P
If P, then Q. Therefore if !Q, then !P.
...this is quite wrong as well. E.g. If you are a man, you’re a human. Therefore if you’re not a man you’re not a human :-P
No, it would be “Therefore if you’re not a human you’re not a man”, which does follow. The formal logic is fine.
Um, the statement “If you’ve done nothing wrong, you have nothing to hide” is wrong to start with.
EDIT: Deleted the mistaken part of the post—was reading too fast and screwed up the formal logic counter-example. Mea culpa
No, it would be “Therefore if you’re not a human you’re not a man”, which does follow. The formal logic is fine.