In mathematics.
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A strict inequality. The word "strict" is used to distinguish these from "greater than or equal to" and"less than or equal to".
In math, an equal sign with a diagonal line through it is normally used. In computer languages or spreadsheets, since this symbol is not available, the less-than, followed by the greater-than, symbol are often used instead; or, in some programming languages, the combination "!=".
A commonly used abbreviation is: 0 < x < 1 That means that "x" can be between these values. This is actually a shortcut for the combination: 0 < x AND x < 1. If you want to include the extremes, 0 and 1, replace the less-than symbol with the less-than-or-equal-to symbol.
"Less than or equal to" is a mathematical relation represented by the symbol "≤." It indicates that one value is either smaller than or equal to another value. For example, if (x ≤ y), it means that (x) can be either less than (y) or equal to (y). This concept is commonly used in inequalities to compare numbers, quantities, or expressions.
The less than sign is used to show one item is less equal that another item. For example four is less than six and is written as 4