The extremities of a surface are lines.
Father of geometry
Found in 2 providers: deepseek,grok
Cross Reference
2 sources
"That all right angles are equal to one another."
Shocking"A line is breadthless length."
Strange & Unusual"Magnitudes which can be made to coincide are equal."
Strange & Unusual"If a number be the least that is measured by any prime numbers, it will not be measured by any other prime number except those originally measuring it."
Strange & Unusual"To cut off from the greater of two given unequal straight lines a straight line equal to the less."
Strange & Unusual