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Results tagged with beginner
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user 67
Questions asked by a beginner user of proof assistants. We make an effort to be extra kind to such users.
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Accepted
Representing $\Bbb RP^2$ in Lean: building a type representing a particular set
Let me answer your immediate question first with the following code snippet (which relies on mathlib):
import data.real.basic
import data.matrix.notation
def X := { v : fin 2 → ℝ // v ≠ 0 }
-- The f …
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