What is the difference between the 2 expressions(adsbygoogle = window.adsbygoogle || []).push({});

1) for all x belongs to ℝ there exists y belongs to ℝ such that f(x)=y

2) there exists y belongs to ℝ such that for all x belongs to ℝ , f(x)=y

I want to know the exact difference.

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# Problem in understanding the meaning

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