Four 1s Make 5?

Do there exist operations that can be performed to make this equation true?

1  1  1  1 = 5

Note: Any operations can be used, so get creative!

Answer

Yes.

(1 + 1 + 1)! – 1 = 5

Note: 1 + 1 + 1 + 1 ≠ 5 is not equation.

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