Forces
Part of Math Symbols
Forces has no standard Windows Alt code. Copy the character directly, or use its HTML entity or Unicode value instead.
- Alt code
- None
- HTML entity
- ⊩
- Unicode
- U+22A9
About this symbol
⊩ means “forces” in set theory. Paul Cohen invented forcing in 1963 to prove that the continuum hypothesis, Cantor’s question about the sizes of infinite sets, can be neither proved nor disproved from the usual axioms, a result that won him the Fields Medal.
Unicode facts
- Official name
- FORCES
- Type
- Maths symbol
- Unicode block
- Mathematical Operators
- Unicode group
- Relations
- Added in
- Unicode 1.1 (1993)
Click the symbol or any value at the top of the page to copy it. See the full Math Symbols chart for related characters.