Library Genesis is down. Maybe for good
Yes you can. Mathematicians do it all the time.
Here’s a fun list: dailywritingtips.com/75-contronyms-words-with-con…
It literally includes literally 😉

75 Contronyms (Words with Contradictory Meanings) - DAILY WRITING TIPS
The English language includes an interesting category of words and phrases called contronyms (also spelled contranyms, or referred to as autoantonyms) --
Daily Writing TipsThe dictionary is descriptive, not proscriptive. Language evolves
Literally has been used as an intensifier for over 200 years. The Oxford English Dictionary includes the definition of figuratively. Jane Austen, F. Scott Fitzgerald, Henry David Thoreau, James Fenimore Cooper, James Joyce, Charles Dickens, and Mark Twain all used it that way in their writing.
When I was at Qualcomm we had an experimental, internally developed mobile OS that embraced the ubiquity of the browser and the power of apps written for the browser. The code name was b2f, which stood for “boot to Firefox”
Mfw my sophomore year in HS is “ancient”
Those automats had a fully staffed kitchen behind them, cooking and placing the food in slots to be bought
Unix
Minix
AIX
Irix
HP/UX
Ultrix
OSF/1
Linux
Those are just the ones I remember because I’ve used them