## Upside down “A” in mathematics: Meaning of “∀” explained

In maths, in the beginning, the only things that aren’t numbers are +,-, ÷, ×, and =. But the more you study maths, the more symbols seem to pop up. Today, we’ll be talking about ∀, also known as the “Universal Quantifier”. What does the upside-down A mean? The universal quantifier symbol “∀” means “for …

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