# Mathematics and Mathematicians

## Transcrição

Mathematics and Mathematicians
```Mathematics and Mathematicians
Mathematics, or math (sometimes also shortened as "maths"), is the study of numbers, shapes
and patterns. Mathematicians are people whose job is to learn and discover such things in
mathematics. The biggest part of mathematics is useful for solving problems that occur in the
real world, so many people besides mathematicians study and use these parts of mathematics.
Today in many kinds of jobs—in business, science, engineering, and construction, for
example—knowledge about certain aspects of mathematics is needed.
Mathematicians solve problems by using logic. Mathematicians often use deduction.
Deduction is a special way of thinking to discover and prove new truths using old truths. To a
mathematician, the reasons you know something is true are just as important as the fact that it
is true. Using deduction is what makes mathematical thinking different from normal thinking.
Mathematics uses logic to study these things and to create general rules, which are an
important part of mathematics. These rules leave out information that isn't important so that a
single rule can cover many situations. By finding general rules, mathematics solves many
problems at the same time.
A proof gives a reason why a rule in mathematics is correct. This is done by using certain
other rules that everyone agrees are correct, which are called axioms. A rule that has a proof is
sometimes called a theorem. Experts in mathematics perform research to create new
theorems. Sometimes experts find an idea that they think is a theorem but can not find a proof
for it. That idea is called a conjecture until they find a proof.
Sometimes, mathematics finds and studies rules or ideas that have not yet been found in the
real world. Often in mathematics, ideas and rules are chosen because they are considered
simple or beautiful. Sometimes these ideas and rules are found in the real world after they are
studied in mathematics. This has happened many times in the past. This means that studying
the rules and ideas of mathematics can help us know the world better.
The evolution of mathematics might be seen as an ever-increasing series of abstractions, or
alternatively an expansion of subject matter. The first abstraction, which is shared by many
animals, was probably that of numbers: the realization that two apples and two oranges (for
example) have something in common.
In addition to recognizing how to count physical objects, prehistoric peoples also recognized
how to count abstract quantities, like time – days, seasons, years. Elementary arithmetic
(addition, subtraction, multiplication and division) naturally followed.
Further steps needed writing or some other system for recording numbers such as tallies or the
knotted strings called quipu used by the Inca to store numerical data. Numeral systems have
been many and diverse, with the first known written numerals created by Egyptians in Middle
Kingdom texts such as the Rhind Mathematical Papyrus. The Indus Valley civilization
developed the modern decimal system, including the concept of zero.
The word "mathematics" comes from the Greek word "μάθημα" (máthema). The Greek word
"μάθημα" means "science, knowledge, or learning". Often, the word "mathematics" is made
shorter into maths (in British English) or math (in American English). The short words math
or maths are often used for arithmetic, geometry or simple algebra by young students and
their schools.
```

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