Questioned Equal To Symbol
≟ is the “questioned equal to” symbol, used to indicate an uncertain or conditional equality in math and logic.
U+225F
The symbol “≟” (Unicode U+225F) looks like an equality sign with a question mark. It’s commonly used where you want to express “is this equal?” or an uncertain equality. This page helps you understand its meaning and copy it reliably.
Questioned Equal To Symbol Meaning
The symbol ≟ is named “QUESTIONED EQUAL TO” and is written as a variant of the equality sign with a question mark. In mathematical writing and related logic notation, it’s often used to express an expected or proposed equality that may need verification (e.g., comparing two expressions and asking whether they match). Depending on the context, it can also communicate uncertainty about equality rather than a definitive “=” (equal to). When typesetting, it’s useful for problems, proofs, or documentation where equality is being checked, proposed, or treated as conditional.
Common uses
- •Checking whether two expressions are equal in homework, worksheets, or proofs
- •Labeling interactive math exercises like “Is this equal to…?”
- •Writing conditional or tentative comparisons in technical documentation
- •Annotating code or pseudocode comments where equality needs confirmation
- •Formatting “compare/verify” steps in tutorials and guides
Examples
≟ Questioned Equal To Symbol
- ≟Compute whether a ≟ b given the values.
- ≟Does 2x + 1 ≟ 9 for x = 4?
- ≟Test if f(n) ≟ n² for the first few cases.
- ≟In this derivation, we ask: LHS ≟ RHS.
- ≟Verify whether the two sets satisfy S ≟ T.
Variations
Ready to copy
Technical codes
| Unicode | U+225F | |
| HTML Entity | ≟ | |
| HTML Code | ≟ | |
| CSS | \225F |
FAQ
What does the Questioned Equal To symbol mean?
The symbol ≟ is named “QUESTIONED EQUAL TO” and is written as a variant of the equality sign with a question mark. In mathematical writing and related logic notation, it’s often used to express an expected or proposed equality that may need verification (e.g., comparing two expressions and asking whether they match). Depending on the context, it can also communicate uncertainty about equality rather than a definitive “=” (equal to). When typesetting, it’s useful for problems, proofs, or documentation where equality is being checked, proposed, or treated as conditional.
What is the Unicode code point for ≟?
The symbol ≟ has Unicode code point U+225F (HTML entity: ≟).
How do I type ≟ in common programming environments?
You can use Unicode escapes such as CSS \\225F or JavaScript \\u{225F} (as provided).
Is ≟ the same as the equals sign (=)?
No. ≟ is “questioned equal to” and is typically used to express uncertainty or a check (“is it equal?”) rather than a definitive equality.
Where is ≟ usually found or supported?
It’s used in math-related text and notation. Availability depends on the font and platform, but it should render correctly where the Unicode character is supported.