...point is that which has no parts and which has no magnitude; (2) a line is length without breadth; (15) a circle is a plane figure contained by one line,...figure to the circumference are equal to one another; (16) and this point is called the centre of the circle. Also it began with Axioms or Common Notions:...

...point is that which has no parts and which has no magnitude; (2) a line is length without breadth; (15) a circle is a plane figure contained by one line,...figure to the circumference are equal to one another; (16) and this point is called the centre of the circle. Also it began with Axioms or Common Notions:...

...property for an axiom ? Will Mr Whewell reason as follows? — ' A circle ' is defined by Euclid to be " a plane figure contained by one ' line, which is called...drawn from a certain point within the figure to the circumfe' rence, are equal to one another." How does it appear that ' any line can have such a character...

...circle is a plane figure contained by one line, which is called the circumference and is such that all lines drawn from a certain point within the figure to the circumference are equal to one another: 16. And this point is called the center of the circle. It is evident that in the first of these statements,...

...extremity of anything. 11. A figure is that Fig. 3. which is enclosed by one or more boundaries. 12. A. circle is a plane figure contained by one line,...point within the figure to the circumference are equal (Fig. 4). 13. And this point is called the centre of the circle (Fig. 4,0). 14. A diameter of a circle...