FormalConjectures/Wikipedia/RationalDistanceProblem.lean
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2 declarations, 1 contain sorry, 0 declared as axioms
Rational distance problem
References:
- Wikipedia
- mathoverflow/418260 asked by user Yuan Yang
- D19 in Unsolved Problems in Number Theory by Richard K. Guy
Imports (1)
- def
RationalDistanceProblem.UnitSquareCornersline 37 sourcestandard axioms: Classical.choice, Quot.sound, propext what this means
Statement uses:
Fin,OfNat.ofNat,Nat,EuclideanSpace,RealProof uses:
Matrix.vecCons,WithLp.toLp,ENNReal,Matrix.vecEmpty11 instances, coercions and auxiliary constants left out.
- theorem
RationalDistanceProblem.rational_distance_problemDoes there exist a point in the plane at rational distance from all four vertices of the unit square? sorry line 44 sourceSource documentation
Does there exist a point in the plane at rational distance from all four vertices of the unit square?
depends on sorry what this means
Statement uses:
Iff,True,Exists,EuclideanSpace,Real,Fin,OfNat.ofNat,Nat,Not,Irrational,Dist.dist,ENNReal, RationalDistanceProblem.UnitSquareCornersProof uses:
sorryAx,Lean.Name,Bool.false,Lean.Name.num,Lean.Name.str,Lean.Name.anonymous20 instances, coercions and auxiliary constants left out.
Tactic trace: 1 steps
Open to load the checked before-and-after goal states.
theorem rational_distance_problem : answer(sorry) ↔ ∃ P : ℝ² , ∀ i, ¬ Irrational (dist P (UnitSquareCorners i)) := by …