Maths for ML / Notation

∃\exists

there exists

LogicBeginner

Say it “there exists”

At least one value makes the statement true.

Example

∃ θ: L(θ)=0\exists\,\theta:\ L(\theta)=0

Some parameters fit the data perfectly.

In code

any(cond(x) for x in X)

Where you’ll see it in ML

Theory papers: existence of solutions, universal approximation.

Don’t confuse it with

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