Undefined Terms, Axioms, and Theorems

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Questions and Answers

Which terms in a mathematical system are descriptive but do not necessitate a formal definition?

  • Theorems
  • Axioms / Postulates
  • Undefined Terms (correct)
  • Defined Terms

In a mathematical framework, what kind of terms gain their meaning from the fundamental undefined terms?

  • Axioms
  • Undefined Terms
  • Defined Terms (correct)
  • Postulates

What type of statements are considered self-evident truths within a mathematical system, requiring no further demonstration?

  • Theorems
  • Undefined Terms
  • Defined Terms
  • Axioms / Postulates (correct)

Which type of mathematical statement requires a rigorous demonstration to confirm its validity?

<p>Theorem (B)</p> Signup and view all the answers

The equation $a + b = b + a$ demonstrates which fundamental property of real numbers?

<p>Commutative Property (B)</p> Signup and view all the answers

Which property is exemplified by the equation $a + (b + c) = (a + b) + c$?

<p>Associative Property (C)</p> Signup and view all the answers

Which postulate ensures that a line can be constructed if it contains at least two points?

<p>Postulate 2 (C)</p> Signup and view all the answers

What principle guarantees the uniqueness of a line drawn through any two distinct points?

<p>Postulate 2 (D)</p> Signup and view all the answers

Which postulate confirms that exactly one plane can be defined by any three points that are not aligned on a single line?

<p>Postulate 3 (D)</p> Signup and view all the answers

What foundational statement asserts that a plane requires a minimum number of non-collinear points to be defined?

<p>Postulate 3 (B)</p> Signup and view all the answers

Given two points situated on a plane, which postulate asserts that the line connecting these points also lies entirely within that plane?

<p>Postulate 5 (D)</p> Signup and view all the answers

Which postulate establishes the minimum requirements for defining a three-dimensional space?

<p>Postulate 6 (B)</p> Signup and view all the answers

If two lines intersect, which theorem states the characteristic of their intersection?

<p>Theorem 2 (B)</p> Signup and view all the answers

According to geometric principles, if two lines intersect, what does the relevant theorem state about the plane containing these lines?

<p>Theorem 3 (D)</p> Signup and view all the answers

What does the theorem state about the relationship between a line and a point external to it in defining a plane?

<p>Theorem 2 (B)</p> Signup and view all the answers

Flashcards

Undefined Terms

Terms that don't require a formal definition but can be described through examples or properties.

Defined Terms

Terms that are precisely explained and based on undefined terms, axioms, and postulates.

Axioms/Postulates

Statements assumed to be true without requiring proof.

Theorem

A mathematical statement that has been proven true.

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Commutative Property

Changing the order of the terms does not change the result. a+b=b+a

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Associative Property

Grouping of terms does not change the result. a+(b+c) = (a+b)+c

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Postulate 2

Postulate stating any line contains at least two points.

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Postulate 1

Through any two points, there is exactly one line.

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Postulate 4

Through any three non-collinear points, there is exactly one plane.

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Postulate 5

If two points lie in a plane, then the line joining them lies in that plane.

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Postulate 6

A space contains at least four non-coplanar points.

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Theorem 2

If two lines intersect, then they intersect in exactly one point.

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Theorem 3

If two lines intersect, then exactly one plane contains both lines.

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Theorem 4

If a point lies outside a line, then exactly one plane contains both the line and the point.

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Congruence

A relationship where 2 items are of the same shape and size

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Study Notes

  • Terms that do not require a definition but can be described are axioms/postulates.
  • Defined terms can be described using undefined terms
  • Axioms/Postulates are statements assumed to be true without proof.
  • Theorems are mathematical statements that are true and have a proof.
  • a+b=b+a describes the commutative property.
  • a+(b+c) = (a+b)+c illustrates the associative property.
  • Postulate 2 states that a line contains at least two points.
  • Postulate 1 says that through any two points, there is exactly one line.
  • Postulate 2 states that through any three non-collinear points, there is exactly one plane.
  • Postulate 3 says that a plane contains at least three non-collinear points.
  • Postulate 4 states that if two points lie in a plane, then the line joining them lies in that plane.
  • Postulate 5 states that a space contains four non-coplanar points.
  • Theorem 3 states that if two lines intersect, then they intersect in exactly one point.
  • Theorem 2 states that if two lines intersect, then exactly one plane contains both lines.
  • Theorem 1 states that if a point lies outside a line, then exactly one plane contains both the line and the point.
  • For every real number x, y, and z, where x<y and y<z then x<z this applies to the transitive property.
  • x+2 = 2+x applies to the commutative property.
  • Parallel lines are always coplanar.
  • Two planes never intersect in exactly one point.
  • Two points are sometimes collinear.
  • A point and plane are undefined terms that do not lie on the line and are always coplanar.
  • A line contains 2 points
  • Three non-collinear points determine exactly one plane.
  • The intersection of two distinct planes is a line.
  • The intersection of two coplanar lines is a point.
  • A plane has a line and a point not on the line.
  • Theorem 1 states that line AC intersects line BD at point E, where point E is the point of intersection.
  • Postulate 1 states through points A, B and C, there is exactly one plane (plane D). Plane D contains at least three non-collinear points.
  • Theorem 2 states that plane l contains line AB and point D.
  • Theorem 3 states that the intersection of line a and b contains in plane 1.
  • A triangle is a closed, two-dimensional shape with three straight sides.
  • A triangle is a type of polygon that has three sides, three vertices and three angles.
  • Congruence is having the same shape and size.
  • An included side is a segment when the vertices of the two angles are the endpoints of the segment.
  • An included angle is the angle whose sides are the two sides of the triangle.
  • CPCTC means Corresponding Parts of Congruent Triangles are Congruent.
  • Side Angle Side Congruence Postulate states that if two sides and an included angle of one triangle are congruent to two sides and the included angle of another triangle, then two triangles are congruent.
  • Side Side Side Congruence Postulate is where the sides of one triangle are congruent to three sides of another triangle, then the two triangles are congruent.
  • Angle Angle Side Congruence Postulate is where two angles of a triangle and a side opposite one of its angles are congruent to two angles and a side opposite one of the angles of another triangle, then the two triangles are congruent.
  • For ADRY = ∆SOT, line segment RD corresponds to line segment SO.
  • For ADRY = ∆SOT, line segment RY corresponds to line segment OT.
  • For ADRY = ∆SOT, line segment DY corresponds to line segment RY.
  • For ADRY = ∆SOT, angle Y corresponds to angle T.
  • For ADRY = ∆SOT, angle O corresponds to angle S.
  • For ADRY = ∆SOT, angle D corresponds to angle R.
  • For ASET = AKEN, line segment SE is congruent to KE.
  • For ASET = AKEN, line segment TE is congruent to KE.
  • For ASET = AKEN, line segment TS is congruent to KN.
  • For ASET = AKEN, angle T is congruent to angle N.
  • For ASET = AKEN, angle S is congruent to angle K.
  • Triangle SET is congruent to triangle KEN.
  • In the image provided, 1 pairs of corresponding congruent sides are there.
  • In the image provided, 1 pairs of corresponding congruent angles are there.
  • In the image provided, 5 pairs of corresponding congruent parts are there.
  • In the image provided, 1 pairs of corresponding congruent sides are there.
  • In the image provided, 2 pairs of corresponding congruent angles are there.
  • In the image provided, 6 pairs of corresponding congruent parts are there.
  • In the image provided, 2 pairs of corresponding congruent sides are there.
  • In the image provided, 1 pair of corresponding congruent angles are there.
  • In the image provided, 6 pairs of corresponding congruent parts are there.

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