CylindricalDecompositionFunction
CylindricalDecompositionFunction[data][x1,x2,…] represents a cylindrical algebraic formula in x1,x2,….
Examples
Create a cylindrical decomposition function:
CylindricalDecomposition[x^2 + y^2 < 1, {x, y}, "Function"]Please visit the official Wolfram Language Reference for more details.