Comment on Some Junk Theorems in LeanparentComments−sebzim45008moRight but there isn't a theorem saying `(sqrt x)^2 = x`, there's a theorem saying `x >= 0 -> (sqrt x)^2 = x`−munchler8moAh, that makes sense. Thank you. As long as every use of sqrt has such a condition.
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Right but there isn't a theorem saying `(sqrt x)^2 = x`, there's a theorem saying `x >= 0 -> (sqrt x)^2 = x`
Ah, that makes sense. Thank you. As long as every use of sqrt has such a condition.