Elements of Geometry: Containing the First Six Books of Euclid: With a Supplement on the Quadrature of the Circle, and the Geometry of Solids: to which are Added, Elements of Plane and Spherical TrigonometryLippincott, Grambo & Company, 1854 - 317 σελίδες |
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Σελίδα 4
... definition , except that of EUCLID , has ever been given , from which the properties of proportionals can be deduced ... definitions in the first Book , and particularly on that of a straight line . A new axiom is also introduced in the ...
... definition , except that of EUCLID , has ever been given , from which the properties of proportionals can be deduced ... definitions in the first Book , and particularly on that of a straight line . A new axiom is also introduced in the ...
Σελίδα 5
... Definitions , Propositions , Axioms , Theorems , Problems , Lemmas , Scho- liums , Corollaries , & c . 3. A Definition ... definition ought to be clear , and expressed in words that are common and perfectly well understood . 4. An Axiom ...
... Definitions , Propositions , Axioms , Theorems , Problems , Lemmas , Scho- liums , Corollaries , & c . 3. A Definition ... definition ought to be clear , and expressed in words that are common and perfectly well understood . 4. An Axiom ...
Σελίδα 7
... first book , and so on . In like manner , ( 3. Ax . ) designates the third axiom ; ( 2. Post . ) the second postulate ; ( Def . 3. ) the third definition , and so on . 29. The word , therefore , or hence , frequently OF GEOMETRY . BOOK 1 .
... first book , and so on . In like manner , ( 3. Ax . ) designates the third axiom ; ( 2. Post . ) the second postulate ; ( Def . 3. ) the third definition , and so on . 29. The word , therefore , or hence , frequently OF GEOMETRY . BOOK 1 .
Σελίδα 8
... DEFINITIONS . 1. " A POINT is that which has position , but not magnitude * . " ( See Notes . ) 2. A line is length without breadth . " COROLLARY . The extremities of a line are points ; and the intersections " of one line with another ...
... DEFINITIONS . 1. " A POINT is that which has position , but not magnitude * . " ( See Notes . ) 2. A line is length without breadth . " COROLLARY . The extremities of a line are points ; and the intersections " of one line with another ...
Σελίδα 12
... Definition ) to AB ; and because the point B is the centre of the cir- cle ACE , BC is equal to AB : But it has been proved that CA is equal to AB ; therefore CA , CB are each of them equal to AB ; now things which are equal to the same ...
... Definition ) to AB ; and because the point B is the centre of the cir- cle ACE , BC is equal to AB : But it has been proved that CA is equal to AB ; therefore CA , CB are each of them equal to AB ; now things which are equal to the same ...
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ABC is equal ABCD adjacent angles altitude angle ABC angle ACB angle BAC base BC bisected centre chord circle ABC circumference cosine cylinder demonstrated described diameter divided draw equal and similar equal angles equiangular equilateral equilateral polygon equimultiples Euclid exterior angle fore four right angles given rectilineal given straight line greater Hence hypotenuse inscribed join less Let ABC Let the straight magnitudes meet multiple opposite angle parallel parallelogram parallelopiped perpendicular polygon prism PROB PROP proportional proposition quadrilateral radius ratio rectangle contained rectilineal figure remaining angle right angled triangle SCHOLIUM segment semicircle shewn side BC sine solid angle solid parallelopiped spherical angle spherical triangle square straight line BC THEOR touches the circle triangle ABC triangle DEF wherefore