For every line x and for every point o not lying on x, there exists a unique line y passing through o and parallel to x. This statement is __________

For every line x and for every point o not lying on x, there exists a

1.	For every line x and for every point o not lying on x, there exists a unique line y passing through o and parallel to x. This statement is __________
A.	Pythagoras theorem
B.	Heron s theorem
C.	Thales theorem
D.	Playfair s axiom
Answer» E.