Because they become invisible in LaTeX
The Spanish notation makes the parentheses around n-k obsolete, clearly saving one symbol in some formulas is worth introducing a new one in others.
The image is a cropped xkcd with the text replaced but the same joke.
Vermutlich für faschistische.
Wasn't that near the Israel-Lebanon border? Those are blue helmet soldiers coming from many nations to observe that the border is not crossed.
UNRWA is a civil organization largely staffed by Palestinians to provide necessities like food and schools to the Palestinians.
Let's not mix up the crimes Israel commits.
The attempt on my life has left me scarred and deformed, but I assure you my resolve has never been stronger.
~~Palpatine~~ Trump
A yes, the two genders of binary file formats: renamed sqlite file and renamed zip folder.
Well, apart from the free movement of people and goods, the common currency, the gdpr, the international students and the consumer protection what has the EU ever done for us?
Brought peace.
Uh peace, shut up.
He already published his information and was in the process of repeating it in front of a court.
His death prevented him from giving his information as sworn testimony which a dead man switch could not do.
Hummingbirds make for bad spys as they are an hour away from starvation for large parts of their lives.
A faschist with a red flag.
The term origenaly referred to lefties that supported the Soviet Union rolling tanks into nations protesting for democracy.
Modern tankies defend historical "communist" states and their successer states like Russia. They can often be seen glorifying dictators and denying genocides.
But the atomic priesthood is inherently hierarchical.