This is a topological hole argument. 1 hole for both object examples - two openings in the tube, one opening in the vase.
This is a topological hole argument. 1 hole for both object examples - two openings in the tube, one opening in the vase.
My airstream has been stolen by dopers
What about a Klein bottle?
https://www.kleinbottle.com/
O2
YOU are the first responder. Police, fire and medical are SECOND responders.
When seconds count, the police are mere minutes away...
Gun registration is gun confiscation in slow motion.
My feedback: https://www.ar-15.co/threads/53226-O2HeN2