## The American Mathematical Monthly: The Official Journal of the Mathematical Association of America, Bind 27Mathematical Association of America, 1920 Includes articles, as well as notes and other features, about mathematics and the profession. |

### Fra bogen

Resultater 1-5 af 98

Side 13

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**equal**to zero , we would have Similarly - [ 1 , 4 ] 6 — [ 1 , 5 ] 2 + [ 1 , 2 ] 1 = 0 . [ 1 , 3 ] 6 + [ 1 , 5 ] 2 — [ 1 , 2 ] 3 = 0 . ( 2 ) ( 3 ) From ( 2 ) and ( 3 ) we get [ 1 , 3 ] [ 1 , 2 ] 3 + [ 1 , 4 ] 5 + [ 1 , 2 ] 1 = 0 , ― ... Side 15

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**equal**radii are congruent ? To the poor student the proof brings no added conviction ; while the good student wonders why , if this proof is logically necessary , it is not even more essential to show that no arc of a circle is a ... Side 16

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**equal**, were accepted , while the postulate of parallels was scrutinized and admitted at best with reluctance . Proclus , writing in the fifth century A. D. , gives some of the reasons for this attitude , and we may surmise others . The ... Side 17

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**equal**, will the same statement hold when the rôles of the two lines are reversed ? Will a perpendicular to one of two non - intersecting lines necessarily be perpendicular to the other ? Of course the answers to these questions are ... Side 18

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**equal**to , or less than two right angles , the same holds in every triangle , and that accordingly Euclid's postulate or one of its contradictories will hold . He makes three hypotheses which were recognized later to correspond 18 [ Jan ...### Andre udgaver - Se alle

### Almindelige termer og sætninger

algebra American Mathematical Society analytic geometry angle application April Association of America calculus Chicago circle circumcenters coefficients College conic construction coördinates course curve derivative determine differential equations discussion E. H. MOORE edition elementary equal formula functions G. A. BLISS G. D. BIRKHOFF given gives Hence high school instructor in mathematics integral intersection J. W. YOUNG L. E. DICKSON logarithms logical mathe Mathematical Association mathematicians MATHEMATICS CLUB mathématiques matics maxima and minima meeting method MONTHLY National Committee nine-point circle orthocentric paper perpendicular physics plane polyconic projection positive present problem Prof professor of mathematics projection proof Proposed r₁ radius result Review roots Section sides solution straight line surface tangent teachers teaching theorem theory tion triangle trigonometry Univ University variable vector vertices volume zero

### Populære passager

Side 409 - Until the phenomena of any branch of knowledge have been submitted to measurement and number it cannot assume the status and dignity of a science.

Side 16 - That, if a straight line falling on two straight lines makes the interior angles on the same side less than two right angles, the two straight lines, if produced indefinitely, meet on that side on which are the angles less than the two right angles.

Side 191 - our astronomical observer" at a salary of £100 per annum, his duty being " forthwith to apply himself with the most exact care and diligence to the rectifying the tables of the motions of the heavens and the places of the fixed stars, so as to find out the so much desired longitude of places for the perfecting the art of navigation.

Side 104 - Drill in algebraic manipulation should be limited to those processes and to the degree of complexity required for a thorough understanding of principles and for probable applications either in common life or in subsequent courses which a substantial proportion of the pupils will take.

Side 146 - Louis in connection with the meeting of the Department of superintendence of the National education association, February 27-29, 1912.

Side 146 - York (representing the Association of Teachers of Mathematics in the Middle States and Maryland...

Side 191 - Royal was established in 1765, the duty of the incumbent was declared to be " to apply himself with the most exact care and diligence to the rectifying the Tables of the Motions of the Heavens, and the places of the Fixed Stars in order to find out the so much desired Longitude at Sea for the perfecting -the Art of Navigation.

Side 221 - The great attraction of the theory is its logical consistency. If any deduction from it should prove untenable, it must be given up. A modification of it seems impossible without destruction of the whole. No one must think that Newton's great creation can be overthrown in any real sense by this or by any other theory. His clear and wide ideas will for ever retain their significance as the foundation on which our modern conceptions of physics have been built.

Side 52 - The squares on two sides of a triangle are together equal to twice the square on half the third side and twice the square on the median to that side. If ABC be a...

Side 178 - AFTER the lamentable breach in the former international relations existing among men of science, it is with joy and gratefulness that I accept this opportunity of communication with English astronomers and physicists.