Positive numbers are positive real numbers, including positive integers, positive fractions (including positive decimals) and positive irrational numbers. And positive integers are only a small part of positive numbers. There is neither a maximum number nor a minimum number in positive numbers.
If all negative numbers are less than zero, then all negative numbers are less than positive numbers. There is neither a minimum number nor a maximum number in negative numbers.
Positive number is a mathematical term. Numbers greater than 0 are called positive numbers, and 0 itself is not a positive number.
Negative number is a mathematical term. Numbers less than 0 are called negative numbers, and negative numbers and positive numbers represent quantities with opposite meanings.
Extended data:
The addition and subtraction of positive and negative numbers is: the subtraction of two numbers with the same sign is equal to the subtraction of their absolute values, and the subtraction of two numbers with different signs is equal to the addition of their absolute values. Zero minus a positive number is a negative number, and zero minus a positive number.
The addition of two numbers with different signs equals the subtraction of their absolute values, and the addition of two numbers with the same sign equals the addition of their absolute values. Zero plus positive equals positive, zero plus negative equals negative. "
References:
Baidu encyclopedia-positive number
References:
Baidu encyclopedia-negative number