First principles of Euclid: an introduction to the study of the first book of Euclid's Elements |
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Σελίδα 3
INTRODUCTION A SYLLOGISM A GEOMETRICAL SYLLOGISM A PROPOSITION • • AXIOMS A CHAIN OF SYLLOGISMS DEFINITION OF A CIRCLE DEFINITIONS OF TRIANGLES DEFINITION OF AN ANGLE DEFINITION OF RIGHT ANGLES METHODS OF DEMONSTRATION EXPLANATION OF ...
INTRODUCTION A SYLLOGISM A GEOMETRICAL SYLLOGISM A PROPOSITION • • AXIOMS A CHAIN OF SYLLOGISMS DEFINITION OF A CIRCLE DEFINITIONS OF TRIANGLES DEFINITION OF AN ANGLE DEFINITION OF RIGHT ANGLES METHODS OF DEMONSTRATION EXPLANATION OF ...
Σελίδα 4
INDEX TO EUCLID'S PROPOSITIONS . ........ PAGE 248 2 2 1 2 2 1 ∞ ∞ 158 20 43 18 70 88 92 94 75 29 32 35 38 48 51 54 56 59 61 63 65 66 23 41 79 PAGE 82 83 102 104 106 108 IIO 112 115 118 121 124 126 126 127 128 128 129 131 133 135 137 ...
INDEX TO EUCLID'S PROPOSITIONS . ........ PAGE 248 2 2 1 2 2 1 ∞ ∞ 158 20 43 18 70 88 92 94 75 29 32 35 38 48 51 54 56 59 61 63 65 66 23 41 79 PAGE 82 83 102 104 106 108 IIO 112 115 118 121 124 126 126 127 128 128 129 131 133 135 137 ...
Σελίδα 5
But the rest of the class know the proposition by frequent repetition only , and thus unconsciously they come to say it and to write it by heart . ... " The percentage of boys who are capable of correctly proving a simple geometrical ...
But the rest of the class know the proposition by frequent repetition only , and thus unconsciously they come to say it and to write it by heart . ... " The percentage of boys who are capable of correctly proving a simple geometrical ...
Σελίδα 6
Thus a child beginning the study of Euclid , while he may contrive to get some notion of the first three propositions of the first book , finds himself hopelessly lost in the mazes of the fourth , fifth , and seventh .
Thus a child beginning the study of Euclid , while he may contrive to get some notion of the first three propositions of the first book , finds himself hopelessly lost in the mazes of the fourth , fifth , and seventh .
Σελίδα 7
Part I. treats only of the Problems of Euclid as far as proposition 23. This is done by assuming as axioms , for the present , Euclid's fourth and eighth propositions . The problems , being much easier than the theorems , and for the ...
Part I. treats only of the Problems of Euclid as far as proposition 23. This is done by assuming as axioms , for the present , Euclid's fourth and eighth propositions . The problems , being much easier than the theorems , and for the ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
ABC is equal ABCD angle A CD angle ABC angle B A C angle BAC angle contained angle EDF angles BGH angles equal assumed Axiom Axiom 2a base base B C bisected called centre circle circumference coincide Construction definition describe diameter double draw enunciations of Euc equal angles equal to angle equilateral triangle EXERCISE EXERCISES.-I exterior angle fall figure given point given straight line greater than angle Hence included angle interior opposite angle Join less Let us suppose letters line A B line AB line CD major premiss meet parallel parallelogram Particular Enunciation perpendicular produced Proof proposition prove that angle Repeat Required right angles side A C sides equal square standing Syllogism THEOREM Euclid thing third triangle ABC unequal
Δημοφιλή αποσπάσματα
Σελίδα 83 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz. either the sides adjacent to the equal...
Σελίδα 18 - A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another.
Σελίδα 66 - If, from the ends of the side of a triangle, there be drawn two straight lines to a point within the triangle, these shall be less than, the other two sides of the triangle, but shall contain a greater angle. Let...
Σελίδα 34 - When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a Right Angle; and the straight line which stands on the other is called a Perpendicular to it.
Σελίδα 94 - Upon the same base, and on the same side of it, there cannot be two triangles that have their sides which are terminated in one extremity of' the base, equal to one another, and likewise those which are terminated in the other extremity.
Σελίδα 88 - THE angles at the base of an isosceles triangle are equal to one another : and, if the equal sides be produced, the angles upon the other side of the base shall be equal.
Σελίδα 104 - If a straight line falling upon two other straight lines, make the exterior angle equal to the interior and opposite upon the same side of the line ; or make the interior angles upon the same side together equal to two right angles ; the two straight lines shall be parallel to one another.
Σελίδα 140 - If the square described upon one of the sides of a triangle, be equal to the squares described upon the other two sides of it ; the angle contained by these two sides is a right angle.
Σελίδα 51 - If, at a point in a straight line, two other straight lines, upon the opposite sides of it, make the adjacent angles together equal to two right angles, these two straight lines shall be in one and the same straight line.
Σελίδα 132 - To a given straight line to apply a parallelogram, which shall be equal to a given triangle, and have one of its angles equal to a given rectilineal angle.
Πληροφορίες βιβλιογραφίας
| Τίτλος | First principles of Euclid: an introduction to the study of the first book of Euclid's Elements |
| Συγγραφέας | T S. Taylor |
| Εκδόθηκε | 1880 |
| Πρωτότυπο από | Πανεπιστήμιο Οξφόρδης |
| Ψηφιοποιήθηκε στις | 7 Σεπτ. 2006 |
| Εξαγωγή αναφοράς | BiBTeX EndNote RefMan |