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Use in your agent

Stroke1.25 px

Corner radius2.00

Preview size24 px

Colour

If and only if icon

Shapes & symbols · Math & operators

if-and-only-if

iff · equivalence · double arrow · logic

UIUXIcon · 6,863 icons · MIT licence · MCP server · llms.txt

Icon artwork © 2026 UI8, from the IconMCP library, MIT. A few hand icons follow shapes from Phosphor, Tabler (MIT) and Lucide (ISC).