Quantifier/Examples/Equation involving Square
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Example of Use of Existential Quantifier
- $\exists x: x \in \Z: x^2 + 2 = 11$
means:
Sources
- 1972: A.G. Howson: A Handbook of Terms used in Algebra and Analysis ... (previous) ... (next): $\S 1$: Some mathematical language: Variables and quantifiers