Proportional To vs Z Notation Bag Membership
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://symbolfyi.com/iframe/entity//" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://symbolfyi.com/entity//Add a dynamic SVG badge to your README or docs.
[](https://symbolfyi.com/entity//)Use the native HTML custom element.
VS
Property Comparison
| Property | ∝ 221D | ⋿ 22FF |
|---|---|---|
| Name | Proportional To | Z Notation Bag Membership |
| Category | Math Symbols | Math Symbols |
| Block | Mathematical Operators | Mathematical Operators |
| Script | Zyyy | Zyyy |
| General Category | Math Symbol (Sm) | Math Symbol (Sm) |
| Bidirectional | ON | ON |
Encoding Comparison
| Format | 221D | 22FF |
|---|---|---|
| Unicode | U+221D | U+22FF |
| HTML Decimal | ∝ | ⋿ |
| HTML Hex | ∝ | ⋿ |
| CSS | \221D | \22FF |
| JavaScript | \u{221D} | \u{22FF} |
| Python | \u221d | \u22ff |
| UTF-8 | e2 88 9d | e2 8b bf |
How to Distinguish
Both Proportional To and Z Notation Bag Membership belong to the Math Symbols category and the Mathematical Operators block. Compare their codepoints and visual rendering to distinguish them.
Tip: Paste the character into a hex editor or use
charCodeAt()
in JavaScript to check the actual codepoint.