MMW Flashcards
facilitates communication and clarifies meaning. It allows people to express themselves and maintain their identity
Language
if the ratio between the sum of those quantities and the larger one is the same as the ratio between the larger one and the smaller.
golden ratio
is constructed by placing together rectangles of relative side lengths equaling Fibonacci numbers.
Fibonacci spiral
“The beautiful never lacks proportion.” -
Plato
If it contains the golden ratio
Euclid
discovered the sequence. The sequence begins with number is the sum of the two preceding numbers.
Leonardo Fibonacci
Characteristics of the language of Mathematics
- Precise -accurate
- Concise - brief
- Powerful - strong
is the science of correct reasoning.
Logic
A statement is a ______ that is either true or false but not both.
declarative sentence
is a statement that conveys a single idea.
Simple statement
A ___ statement is a statement that conveys two or more ideas. Use words or phrases such as “and”, “or”, “if-then”, and “if and only if” to create a compound statement.
compound
If not P then not Q
Inverse
If Q then P
Converse
If not Q then not P
Contapositive
is a table that shows the truth value of a compound statement for all possible truth values of its simple statements.
Truth table
is the mathematical analogue of an English noun.
expression
is the analogue of an English sentences.
mathematical sentence
Equal sign and inequality signs are “___”
verbs
operations and logical symbols are “____”.
connectives
are the numbers 1, 2, 3, 4, 5 and so on, obtained by adding 1 over and over again. It is denoted by the symbol N.
natural numbers
The set of natural numbers together with zero is called the set of _____, denoted by W.
whole numbers
The set of numbers whose elements are the positive integers, the negative integers and zero is called the set of ____, denoted by Z.
integers
Let p and q to be an integer and q 0. The set of numbers that are expressed a quotient of p and q, i.e., is called the set of ____, denoted by Q.
rational numbers
The set of numbers whose decimal representations are non- terminating & non-repeating and cannot be expressed as ratio of two integers is called the set of _____
irrational numbers