GE 4 - Mathematics in the Modern World Vocabulary

Vocabulary flashcards covering core definitions, set notation, mathematical expressions, equations, and translation terminology from Lesson 1 and Lesson 2 of GE 4 Mathematics in the Modern World.

Mathematics

An art, a study of patterns, a language, a process of thinking, and a set of problem solving tools.

Digits

The basic numeric symbols used in mathematical language, specifically 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.

Element Notation ($\in$)

A mathematical symbol used to denote membership in a set; for example, $2 \in A$ means that 2 is found in set $A$.

Subset Notation ($\subset$)

A mathematical symbol indicating containment; for example, $A \subset U$ means that all the elements of set $A$ are found in set $U$.

Union

The joining together of all elements from two sets without duplication.

Intersection

The process of identifying the common elements between two sets.

Disjoint Sets

Two or more sets that have no common elements.

Expression

Numbers, symbols, and operators grouped together that show the value of something.

Equation

A mathematical statement that asserts the equality of two expressions.

Inequality

A relation which makes a non-equal comparison between two numbers or other mathematical expressions.

Open Sentences

Mathematical sentences that have solutions and can be solved.

Parenthesis Words

Phrases in English translations—such as 'The Quantity of', 'Twice the sum of', 'Times the sum of', and 'Times the difference of'—that signal structural grouping in mathematical expressions.