Introduction to Mathematics

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Questions and Answers

Which of the following is a focus of mathematical study?

  • Quantity
  • Structure
  • Space
  • All of the above (correct)

What do mathematicians use to verify the truth of conjectures?

  • Observations
  • Surveys
  • Experiments
  • Mathematical proofs (correct)

Which field uses mathematical tools to solve real-world problems?

  • Applied mathematics (correct)
  • Pure mathematics
  • Abstract philosophy
  • Theoretical physics

What is the primary concern of statistics?

<p>Data analysis and interpretation (B)</p> Signup and view all the answers

From where do the oldest mathematical texts originate?

<p>Ancient Egypt and Mesopotamia (B)</p> Signup and view all the answers

In which era did mathematical development accelerate rapidly?

<p>The Renaissance (A)</p> Signup and view all the answers

Who developed infinitesimal calculus in the 17th century?

<p>Newton and Leibniz (A)</p> Signup and view all the answers

What set of numbers includes negative numbers?

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

The quotients of natural numbers gives rise to what kind of numbers?

<p>Rational numbers (D)</p> Signup and view all the answers

What area of mathematics studies algebraic structures, such as groups and rings?

<p>Abstract algebra (D)</p> Signup and view all the answers

What is studied in geometry?

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

What does trigonometry study?

<p>Relationships between sides and angles of triangles (C)</p> Signup and view all the answers

What is investigated by calculus?

<p>Change (A)</p> Signup and view all the answers

What does chaos theory deal with?

<p>Dynamical systems sensitive to initial conditions (C)</p> Signup and view all the answers

What field studies the implications of an axiomatic framework?

<p>Mathematical logic (A)</p> Signup and view all the answers

Which theory studies sets or collections of objects?

<p>Set theory (C)</p> Signup and view all the answers

What does combinatorics study?

<p>Ways of enumerating objects (A)</p> Signup and view all the answers

When was most of the mathematical notation in use today invented?

<p>16th century (B)</p> Signup and view all the answers

What is pure mathematics developed for?

<p>Its own sake (B)</p> Signup and view all the answers

What is applied mathematics used for?

<p>Solving practical problems (A)</p> Signup and view all the answers

Flashcards

What is Mathematics?

The study of quantity, structure, space, and change, lacking a universally accepted definition.

What is Applied Mathematics?

Using mathematical tools to solve real-world problems in science, engineering, and other fields.

What is Statistics?

Concerned with the collection, analysis, interpretation, and presentation of data.

What is Computational Mathematics?

Includes numerical analysis, symbolic computation, and computer algebra.

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What is Quantity (in math)?

Numbers, including natural, integer, rational, real, complex, and hypercomplex numbers.

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What is Set Theory?

A field of mathematics that studies sets or collections of objects.

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What is Discrete Mathematics?

A field of mathematics which deals with discrete objects.

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What is Category Theory?

Deals in an abstract way with mathematical structures and relations between them.

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What is Trigonometry?

Studies the relationships between the sides and angles of triangles.

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What is Topology?

Studies properties that are invariant under continuous transformations.

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What is Differential Geometry?

Studies curves and surfaces using calculus.

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What is Abstract Algebra?

Studies algebraic structures, such as groups, rings, and fields.

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What is Pure Mathematics?

Mathematics developed primarily for its own sake, without regard to application.

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What is Applied Mathematics?

Mathematics with substantial applications in other areas, used to solve practical problems.

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What is Chaos Theory?

Deals with dynamical systems that exhibit significant sensitivity to initial conditions.

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What is Combinatorics?

Studies ways of enumerating certain objects.

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What is Graph Theory?

Studies graphs and networks.

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What are Rational Numbers?

Arise as quotients of natural numbers (e.g., 3/4).

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What are Real Numbers?

All numbers that can be represented by a decimal, including rational and irrational numbers.

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What are Hypercomplex Numbers?

Extend the complex numbers.

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Study Notes

  • Mathematics is the study of topics such as quantity (numbers), structure, space, and change.
  • It has no generally accepted definition.
  • Mathematicians seek out patterns and formulate new conjectures.
  • They resolve the truth or falsity of conjectures by mathematical proofs.
  • Mathematics is used throughout the world as an essential tool in many fields, including natural science, engineering, medicine, finance, and social sciences.
  • Applied mathematics concerns itself with the use of mathematical tools to solve problems in natural sciences, engineering, medicine, finance, business, computer science, and social sciences.
  • Mathematics is used to model real-world phenomena.
  • Statistics is concerned with the collection, analysis, interpretation, and presentation of data.
  • Computational mathematics includes numerical analysis, symbolic computation, and computer algebra.

History of Mathematics

  • The history of mathematics is an ever-growing series of abstractions.
  • The concept of abstract numbers and the practice of determining the area of a field were developed early in mathematics.
  • The oldest mathematical texts available are from ancient Egypt and Mesopotamia.
  • Rigorous proof first appeared in Greek mathematics.
  • Mathematics developed at a relatively slow pace until the Renaissance, when mathematical innovations interacting with new scientific discoveries led to a rapid increase in the rate of mathematical development.
  • The development of infinitesimal calculus by Newton and Leibniz in the 17th century revolutionized mathematics.
  • Leonhard Euler made numerous contributions to notation, terminology and mathematical formulas.

Areas of Mathematics

Quantity

  • Quantity begins with numbers, first the familiar natural numbers (1, 2, 3, ...).
  • Next are integers which include negative numbers (-1, -2, -3, ...).
  • Rational numbers arise as quotients of natural numbers (e.g., 3/4).
  • Real numbers are all numbers that can be represented by a decimal, and include both the rational numbers and the irrational numbers.
  • Complex numbers allow solutions to equations that have no solutions in real numbers.
  • Hypercomplex numbers extend the complex numbers.
  • The study of numbers is number theory, and includes Fermat's Last Theorem.

Structure

  • Many mathematical objects, such as sets of numbers and functions, exhibit internal structure as a consequence of operations or relations that are defined on the set.
  • Abstract algebra is the study of algebraic structures, such as groups, rings, and fields.
  • Vector spaces are used in linear algebra.
  • Analysis studies structures that include a notion of closeness.

Space

  • Space is studied in geometry.
  • Trigonometry studies the relationships between the sides and angles of triangles.
  • Differential geometry studies curves and surfaces.
  • Topology studies properties that are invariant under continuous transformations.

Change

  • Understanding and describing change is a common theme in the natural sciences.
  • Calculus was developed to investigate change.
  • Functions arise here, as central to describing a changing quantity.
  • Differential equations describe the relationship between a function and its derivatives.
  • Chaos theory deals with dynamical systems that exhibit significant sensitivity to initial conditions.

Foundations and Philosophy

  • In order to clarify the foundations of mathematics, the fields of mathematical logic and set theory were developed.
  • Mathematical logic deals with putting mathematics on a solid axiomatic framework, and studies the implications of that framework.
  • Set theory is the branch of mathematics that studies sets or collections of objects.
  • Category theory deals in an abstract way with mathematical structures and relations between them.

Discrete Mathematics

  • Discrete mathematics groups together the fields of mathematics which deal with discrete objects.
  • Combinatorics studies ways of enumerating certain objects.
  • Graph theory studies graphs and networks.

Mathematical Notation, Language, and Rigor

  • Most of the mathematical notation in use today was not invented until the 16th century.
  • Before that, mathematics was written out in words.
  • Mathematical notation makes mathematics easier for the professional to manipulate, but beginners often find it daunting.
  • A mathematical proof is sufficient to convince other mathematicians of the truth of the statement.
  • The need for mathematical rigor led to the development of mathematical logic and set theory.
  • Mathematical rigor differs somewhat from rigor in other sciences.

Pure and Applied Mathematics

  • Pure mathematics is mathematics that is developed primarily for its own sake.
  • Applied mathematics is mathematics with substantial applications in other areas.
  • Many branches of mathematics that began as pure mathematics have later become applied mathematics.
  • Applied mathematics is often used to solve practical problems.
  • There is no sharp division between pure and applied mathematics.

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