The difference between defined and undefined terms is that the defined terms can be combined with each other and with undefined terms to define still more terms.
These are undefined terms:
1.plane
2.point
3.line
These are defined terms:
1.ray
2.union of sets
3.space
4.subset
5.set
6.proper subset
7.opposite rays
8.postulate
9.betweenness of points
10.bisector of a segment
11.midpoint of a segment
12.line segment
13.lenght of a segment
14.collinear points
15.complement of a set
16.coplanar points
17.disjoint sets
18.element
19.empy set
20.finite set
21.geometry
22.infinite set
23.intersection of sets
It is a very basic concept which cannot be defined. Undefined terms are used to define other concepts. In Euclidean geometry, for example, point, line and plane are not defined.
"Defined items" are defined in terms of "undefined terms".
Psycho-Geometry is defined as measurement of the earth together with consciousness of the reciprocal relationship between man and the objects of the environment and between the objects themselves.- Dr.MARIA MONTESSORI
The relationship between the two shafts is actually defined by the helix ....Racks also feature in the theory of gear geometry, where, for instance, the tooth shape ...
Point is not an undefined term. It can be defined as a mathematically precise location, or as the place where two lines intersect.
It is a very basic concept which cannot be defined. Undefined terms are used to define other concepts. In Euclidean geometry, for example, point, line and plane are not defined.
In Euclidean geometry point, line and plane are not defined.
Undefined.
A term that is undefined mean simply that it is not defined. The prefix un means not, and if you add it to the word defined, ta da, you get undefined.
"Defined items" are defined in terms of "undefined terms".
they are not defined
A set can be defined or undefined.
"Defined items" are defined in terms of "undefined terms".
A point is an undefined term. But given two points, they can be joined using a line segment.
In mathematics infinity is a defined numeric quantity greater in magnitude than any finite numeric quantity, whereas undefined refers simply to something lacking a definition (e.g. the result of division by zero is undefined, not infinity). If you study set theory, you will find there are many different infinities some greater in magnitude than others. Infinity though defined is not a simple concept.
Zero is pretty well defined. Division by zero is undefined.
geometry means