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https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
use y
case h r x y z : ℝ h₀ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2 ⊢ ∃ ry rz, (r = 2⁻¹ ∧ x = x ∧ y = ry ∧ z = rz) ∧ x ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4
case h r x y z : ℝ h₀ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2 ⊢ ∃ rz, (r = 2⁻¹ ∧ x = x ∧ y = y ∧ z = rz) ∧ x ^ 2 + y ^ 2 + rz ^ 2 = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h r x y z : ℝ h₀ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2 ⊢ ∃ ry rz, (r = 2⁻¹ ∧ x = x ∧ y = ry ∧ z = rz) ∧ x ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
use z
case h r x y z : ℝ h₀ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2 ⊢ ∃ rz, (r = 2⁻¹ ∧ x = x ∧ y = y ∧ z = rz) ∧ x ^ 2 + y ^ 2 + rz ^ 2 = 3 / 4
case h r x y z : ℝ h₀ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2 ⊢ (r = 2⁻¹ ∧ x = x ∧ y = y ∧ z = z) ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h r x y z : ℝ h₀ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2 ⊢ ∃ rz, (r = 2⁻¹ ∧ x = x ∧ y = y ∧ z = rz) ∧ x ^ 2 + y ^ 2 + rz ^ 2 = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
simp only [and_self, and_true]
case h r x y z : ℝ h₀ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2 ⊢ (r = 2⁻¹ ∧ x = x ∧ y = y ∧ z = z) ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
case h r x y z : ℝ h₀ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2 ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h r x y z : ℝ h₀ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2 ⊢ (r = 2⁻¹ ∧ x = x ∧ y = y ∧ z = z) ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
rcases h₀ with ⟨h₁, hx, hy, hz⟩
case h r x y z : ℝ h₀ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2 ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h r x y z : ℝ h₀ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2 ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
have EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → (x₀ = 0 ∨ r = 1 / 2) := by intro x₀ h have hFactored : x₀ * (1 - r * 2) = 0 := by linarith simp at hFactored apply hFactored.imp_right intro h field_simp linarith
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
let hx₂ := EqSplit x hx
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
let hy₂ := EqSplit y hy
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
let hz₂ := EqSplit z hz
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
have hr₀ : (¬ r = 1/2) → False := by intros hrn0 simp only [one_div] at hrn0 simp only [one_div, hrn0, or_false] at hx₂ simp only [one_div, hrn0, or_false] at hy₂ simp only [one_div, hrn0, or_false] at hz₂ simp [hx₂, hy₂, hz₂] at h₁ let h₂ := congrArg (λ (x₀ : ℝ) => x₀ - r + 1) h₁ simp only [add_sub_cancel, add_left_neg] at h₂ have hSquareNn := mul_self_nonneg (r - 1 / 2) linarith
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hr₀ : ¬r = 1 / 2 → False ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
have hr₁ : r = 1/2 := by_contra hr₀
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hr₀ : ¬r = 1 / 2 → False ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hr₀ : ¬r = 1 / 2 → False hr₁ : r = 1 / 2 ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hr₀ : ¬r = 1 / 2 → False ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
rw [hr₁]
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hr₀ : ¬r = 1 / 2 → False hr₁ : r = 1 / 2 ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hr₀ : ¬r = 1 / 2 → False hr₁ : r = 1 / 2 ⊢ 1 / 2 = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hr₀ : ¬r = 1 / 2 → False hr₁ : r = 1 / 2 ⊢ r = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
simp only [one_div, true_and]
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hr₀ : ¬r = 1 / 2 → False hr₁ : r = 1 / 2 ⊢ 1 / 2 = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hr₀ : ¬r = 1 / 2 → False hr₁ : r = 1 / 2 ⊢ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hr₀ : ¬r = 1 / 2 → False hr₁ : r = 1 / 2 ⊢ 1 / 2 = 2⁻¹ ∧ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
rw [hr₁] at h₁
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hr₀ : ¬r = 1 / 2 → False hr₁ : r = 1 / 2 ⊢ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + 1 / 2 = (1 / 2) ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hr₀ : ¬r = 1 / 2 → False hr₁ : r = 1 / 2 ⊢ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h.intro.intro.intro r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hr₀ : ¬r = 1 / 2 → False hr₁ : r = 1 / 2 ⊢ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
let hSphere := congrArg (λ (x₀ : ℝ) => 1 / 4 - x₀) h₁
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + 1 / 2 = (1 / 2) ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hr₀ : ¬r = 1 / 2 → False hr₁ : r = 1 / 2 ⊢ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + 1 / 2 = (1 / 2) ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hr₀ : ¬r = 1 / 2 → False hr₁ : r = 1 / 2 hSphere : (fun x₀ => 1 / 4 - x₀) (-1 + 1 / 2) = (fun x₀ => 1 / 4 - x₀) ((1 / 2) ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2)) := congrArg (fun x₀ => 1 / 4 - x₀) h₁ ⊢ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h.intro.intro.intro r x y z : ℝ h₁ : -1 + 1 / 2 = (1 / 2) ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hr₀ : ¬r = 1 / 2 → False hr₁ : r = 1 / 2 ⊢ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
ring_nf at hSphere
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + 1 / 2 = (1 / 2) ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hr₀ : ¬r = 1 / 2 → False hr₁ : r = 1 / 2 hSphere : (fun x₀ => 1 / 4 - x₀) (-1 + 1 / 2) = (fun x₀ => 1 / 4 - x₀) ((1 / 2) ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2)) := congrArg (fun x₀ => 1 / 4 - x₀) h₁ ⊢ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + 1 / 2 = (1 / 2) ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hr₀ : ¬r = 1 / 2 → False hr₁ : r = 1 / 2 hSphere : 3 / 4 = x ^ 2 + y ^ 2 + z ^ 2 ⊢ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h.intro.intro.intro r x y z : ℝ h₁ : -1 + 1 / 2 = (1 / 2) ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hr₀ : ¬r = 1 / 2 → False hr₁ : r = 1 / 2 hSphere : (fun x₀ => 1 / 4 - x₀) (-1 + 1 / 2) = (fun x₀ => 1 / 4 - x₀) ((1 / 2) ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2)) := congrArg (fun x₀ => 1 / 4 - x₀) h₁ ⊢ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
rw [←hSphere]
case h.intro.intro.intro r x y z : ℝ h₁ : -1 + 1 / 2 = (1 / 2) ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hr₀ : ¬r = 1 / 2 → False hr₁ : r = 1 / 2 hSphere : 3 / 4 = x ^ 2 + y ^ 2 + z ^ 2 ⊢ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.intro.intro.intro r x y z : ℝ h₁ : -1 + 1 / 2 = (1 / 2) ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hr₀ : ¬r = 1 / 2 → False hr₁ : r = 1 / 2 hSphere : 3 / 4 = x ^ 2 + y ^ 2 + z ^ 2 ⊢ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
intro x₀ h
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 ⊢ ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 x₀ : ℝ h : x₀ = r * x₀ * 2 ⊢ x₀ = 0 ∨ r = 1 / 2
Please generate a tactic in lean4 to solve the state. STATE: r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 ⊢ ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
have hFactored : x₀ * (1 - r * 2) = 0 := by linarith
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 x₀ : ℝ h : x₀ = r * x₀ * 2 ⊢ x₀ = 0 ∨ r = 1 / 2
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 x₀ : ℝ h : x₀ = r * x₀ * 2 hFactored : x₀ * (1 - r * 2) = 0 ⊢ x₀ = 0 ∨ r = 1 / 2
Please generate a tactic in lean4 to solve the state. STATE: r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 x₀ : ℝ h : x₀ = r * x₀ * 2 ⊢ x₀ = 0 ∨ r = 1 / 2 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
simp at hFactored
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 x₀ : ℝ h : x₀ = r * x₀ * 2 hFactored : x₀ * (1 - r * 2) = 0 ⊢ x₀ = 0 ∨ r = 1 / 2
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 x₀ : ℝ h : x₀ = r * x₀ * 2 hFactored : x₀ = 0 ∨ 1 - r * 2 = 0 ⊢ x₀ = 0 ∨ r = 1 / 2
Please generate a tactic in lean4 to solve the state. STATE: r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 x₀ : ℝ h : x₀ = r * x₀ * 2 hFactored : x₀ * (1 - r * 2) = 0 ⊢ x₀ = 0 ∨ r = 1 / 2 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
apply hFactored.imp_right
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 x₀ : ℝ h : x₀ = r * x₀ * 2 hFactored : x₀ = 0 ∨ 1 - r * 2 = 0 ⊢ x₀ = 0 ∨ r = 1 / 2
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 x₀ : ℝ h : x₀ = r * x₀ * 2 hFactored : x₀ = 0 ∨ 1 - r * 2 = 0 ⊢ 1 - r * 2 = 0 → r = 1 / 2
Please generate a tactic in lean4 to solve the state. STATE: r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 x₀ : ℝ h : x₀ = r * x₀ * 2 hFactored : x₀ = 0 ∨ 1 - r * 2 = 0 ⊢ x₀ = 0 ∨ r = 1 / 2 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
intro h
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 x₀ : ℝ h : x₀ = r * x₀ * 2 hFactored : x₀ = 0 ∨ 1 - r * 2 = 0 ⊢ 1 - r * 2 = 0 → r = 1 / 2
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 x₀ : ℝ h✝ : x₀ = r * x₀ * 2 hFactored : x₀ = 0 ∨ 1 - r * 2 = 0 h : 1 - r * 2 = 0 ⊢ r = 1 / 2
Please generate a tactic in lean4 to solve the state. STATE: r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 x₀ : ℝ h : x₀ = r * x₀ * 2 hFactored : x₀ = 0 ∨ 1 - r * 2 = 0 ⊢ 1 - r * 2 = 0 → r = 1 / 2 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
field_simp
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 x₀ : ℝ h✝ : x₀ = r * x₀ * 2 hFactored : x₀ = 0 ∨ 1 - r * 2 = 0 h : 1 - r * 2 = 0 ⊢ r = 1 / 2
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 x₀ : ℝ h✝ : x₀ = r * x₀ * 2 hFactored : x₀ = 0 ∨ 1 - r * 2 = 0 h : 1 - r * 2 = 0 ⊢ r * 2 = 1
Please generate a tactic in lean4 to solve the state. STATE: r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 x₀ : ℝ h✝ : x₀ = r * x₀ * 2 hFactored : x₀ = 0 ∨ 1 - r * 2 = 0 h : 1 - r * 2 = 0 ⊢ r = 1 / 2 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
linarith
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 x₀ : ℝ h✝ : x₀ = r * x₀ * 2 hFactored : x₀ = 0 ∨ 1 - r * 2 = 0 h : 1 - r * 2 = 0 ⊢ r * 2 = 1
no goals
Please generate a tactic in lean4 to solve the state. STATE: r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 x₀ : ℝ h✝ : x₀ = r * x₀ * 2 hFactored : x₀ = 0 ∨ 1 - r * 2 = 0 h : 1 - r * 2 = 0 ⊢ r * 2 = 1 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
linarith
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 x₀ : ℝ h : x₀ = r * x₀ * 2 ⊢ x₀ * (1 - r * 2) = 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 x₀ : ℝ h : x₀ = r * x₀ * 2 ⊢ x₀ * (1 - r * 2) = 0 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
intros hrn0
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz ⊢ ¬r = 1 / 2 → False
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hrn0 : ¬r = 1 / 2 ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz ⊢ ¬r = 1 / 2 → False TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
simp only [one_div] at hrn0
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hrn0 : ¬r = 1 / 2 ⊢ False
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hrn0 : ¬r = 2⁻¹ ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hrn0 : ¬r = 1 / 2 ⊢ False TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
simp only [one_div, hrn0, or_false] at hx₂
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hrn0 : ¬r = 2⁻¹ ⊢ False
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hrn0 : ¬r = 2⁻¹ hx₂ : x = 0 ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hx₂ : x = 0 ∨ r = 1 / 2 := EqSplit x hx hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hrn0 : ¬r = 2⁻¹ ⊢ False TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
simp only [one_div, hrn0, or_false] at hy₂
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hrn0 : ¬r = 2⁻¹ hx₂ : x = 0 ⊢ False
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hrn0 : ¬r = 2⁻¹ hx₂ : x = 0 hy₂ : y = 0 ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hy₂ : y = 0 ∨ r = 1 / 2 := EqSplit y hy hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hrn0 : ¬r = 2⁻¹ hx₂ : x = 0 ⊢ False TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
simp only [one_div, hrn0, or_false] at hz₂
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hrn0 : ¬r = 2⁻¹ hx₂ : x = 0 hy₂ : y = 0 ⊢ False
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hrn0 : ¬r = 2⁻¹ hx₂ : x = 0 hy₂ : y = 0 hz₂ : z = 0 ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hz₂ : z = 0 ∨ r = 1 / 2 := EqSplit z hz hrn0 : ¬r = 2⁻¹ hx₂ : x = 0 hy₂ : y = 0 ⊢ False TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
simp [hx₂, hy₂, hz₂] at h₁
r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hrn0 : ¬r = 2⁻¹ hx₂ : x = 0 hy₂ : y = 0 hz₂ : z = 0 ⊢ False
r x y z : ℝ hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hrn0 : ¬r = 2⁻¹ hx₂ : x = 0 hy₂ : y = 0 hz₂ : z = 0 h₁ : -1 + r = r ^ 2 ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: r x y z : ℝ h₁ : -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hrn0 : ¬r = 2⁻¹ hx₂ : x = 0 hy₂ : y = 0 hz₂ : z = 0 ⊢ False TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
let h₂ := congrArg (λ (x₀ : ℝ) => x₀ - r + 1) h₁
r x y z : ℝ hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hrn0 : ¬r = 2⁻¹ hx₂ : x = 0 hy₂ : y = 0 hz₂ : z = 0 h₁ : -1 + r = r ^ 2 ⊢ False
r x y z : ℝ hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hrn0 : ¬r = 2⁻¹ hx₂ : x = 0 hy₂ : y = 0 hz₂ : z = 0 h₁ : -1 + r = r ^ 2 h₂ : (fun x₀ => x₀ - r + 1) (-1 + r) = (fun x₀ => x₀ - r + 1) (r ^ 2) := congrArg (fun x₀ => x₀ - r + 1) h₁ ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: r x y z : ℝ hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hrn0 : ¬r = 2⁻¹ hx₂ : x = 0 hy₂ : y = 0 hz₂ : z = 0 h₁ : -1 + r = r ^ 2 ⊢ False TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
simp only [add_sub_cancel, add_left_neg] at h₂
r x y z : ℝ hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hrn0 : ¬r = 2⁻¹ hx₂ : x = 0 hy₂ : y = 0 hz₂ : z = 0 h₁ : -1 + r = r ^ 2 h₂ : (fun x₀ => x₀ - r + 1) (-1 + r) = (fun x₀ => x₀ - r + 1) (r ^ 2) := congrArg (fun x₀ => x₀ - r + 1) h₁ ⊢ False
r x y z : ℝ hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hrn0 : ¬r = 2⁻¹ hx₂ : x = 0 hy₂ : y = 0 hz₂ : z = 0 h₁ : -1 + r = r ^ 2 h₂ : -1 + r - r + 1 = r ^ 2 - r + 1 := congrArg (fun x₀ => x₀ - r + 1) h₁ ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: r x y z : ℝ hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hrn0 : ¬r = 2⁻¹ hx₂ : x = 0 hy₂ : y = 0 hz₂ : z = 0 h₁ : -1 + r = r ^ 2 h₂ : (fun x₀ => x₀ - r + 1) (-1 + r) = (fun x₀ => x₀ - r + 1) (r ^ 2) := congrArg (fun x₀ => x₀ - r + 1) h₁ ⊢ False TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
have hSquareNn := mul_self_nonneg (r - 1 / 2)
r x y z : ℝ hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hrn0 : ¬r = 2⁻¹ hx₂ : x = 0 hy₂ : y = 0 hz₂ : z = 0 h₁ : -1 + r = r ^ 2 h₂ : -1 + r - r + 1 = r ^ 2 - r + 1 := congrArg (fun x₀ => x₀ - r + 1) h₁ ⊢ False
r x y z : ℝ hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hrn0 : ¬r = 2⁻¹ hx₂ : x = 0 hy₂ : y = 0 hz₂ : z = 0 h₁ : -1 + r = r ^ 2 h₂ : -1 + r - r + 1 = r ^ 2 - r + 1 := congrArg (fun x₀ => x₀ - r + 1) h₁ hSquareNn : 0 ≤ (r - 1 / 2) * (r - 1 / 2) ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: r x y z : ℝ hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hrn0 : ¬r = 2⁻¹ hx₂ : x = 0 hy₂ : y = 0 hz₂ : z = 0 h₁ : -1 + r = r ^ 2 h₂ : -1 + r - r + 1 = r ^ 2 - r + 1 := congrArg (fun x₀ => x₀ - r + 1) h₁ ⊢ False TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
linarith
r x y z : ℝ hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hrn0 : ¬r = 2⁻¹ hx₂ : x = 0 hy₂ : y = 0 hz₂ : z = 0 h₁ : -1 + r = r ^ 2 h₂ : -1 + r - r + 1 = r ^ 2 - r + 1 := congrArg (fun x₀ => x₀ - r + 1) h₁ hSquareNn : 0 ≤ (r - 1 / 2) * (r - 1 / 2) ⊢ False
no goals
Please generate a tactic in lean4 to solve the state. STATE: r x y z : ℝ hx : x = r * x * 2 hy : y = r * y * 2 hz : z = r * z * 2 EqSplit : ∀ (x₀ : ℝ), x₀ = r * x₀ * 2 → x₀ = 0 ∨ r = 1 / 2 hrn0 : ¬r = 2⁻¹ hx₂ : x = 0 hy₂ : y = 0 hz₂ : z = 0 h₁ : -1 + r = r ^ 2 h₂ : -1 + r - r + 1 = r ^ 2 - r + 1 := congrArg (fun x₀ => x₀ - r + 1) h₁ hSquareNn : 0 ≤ (r - 1 / 2) * (r - 1 / 2) ⊢ False TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
intros h₀
case h.mk.mpr r x y z : ℝ ⊢ (∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4) → -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2
case h.mk.mpr r x y z : ℝ h₀ : ∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4 ⊢ -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mpr r x y z : ℝ ⊢ (∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4) → -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
rcases h₀ with ⟨rx, ry, rz, hx, hSphere⟩
case h.mk.mpr r x y z : ℝ h₀ : ∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4 ⊢ -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2
case h.mk.mpr.intro.intro.intro.intro r x y z rx ry rz : ℝ hx : r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz hSphere : rx ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4 ⊢ -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mpr r x y z : ℝ h₀ : ∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4 ⊢ -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
rcases hx with ⟨hr, hx, hy, hz⟩
case h.mk.mpr.intro.intro.intro.intro r x y z rx ry rz : ℝ hx : r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz hSphere : rx ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4 ⊢ -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2
case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : rx ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mpr.intro.intro.intro.intro r x y z rx ry rz : ℝ hx : r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz hSphere : rx ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4 ⊢ -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
simp_rw [hr]
case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : rx ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2
case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : rx ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ -1 + 2⁻¹ = 2⁻¹ ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = 2⁻¹ * x * 2 ∧ y = 2⁻¹ * y * 2 ∧ z = 2⁻¹ * z * 2
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : rx ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ -1 + r = r ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = r * x * 2 ∧ y = r * y * 2 ∧ z = r * z * 2 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
ring_nf
case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : rx ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ -1 + 2⁻¹ = 2⁻¹ ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = 2⁻¹ * x * 2 ∧ y = 2⁻¹ * y * 2 ∧ z = 2⁻¹ * z * 2
case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : rx ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ -1 / 2 = 1 / 4 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ True ∧ True ∧ True
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : rx ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ -1 + 2⁻¹ = 2⁻¹ ^ 2 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ x = 2⁻¹ * x * 2 ∧ y = 2⁻¹ * y * 2 ∧ z = 2⁻¹ * z * 2 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
simp only [Int.cast_negOfNat, Nat.cast_one, Int.ofNat_eq_coe, Int.cast_one, Nat.cast_ofNat, one_div, neg_mul, one_mul, and_self, and_true]
case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : rx ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ -1 / 2 = 1 / 4 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ True ∧ True ∧ True
case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : rx ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ -1 / 2 = 4⁻¹ - x ^ 2 + (-y ^ 2 - z ^ 2)
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : rx ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ -1 / 2 = 1 / 4 - x ^ 2 + (-y ^ 2 - z ^ 2) ∧ True ∧ True ∧ True TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
rw [←hx, ←hy, ←hz] at hSphere
case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : rx ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ -1 / 2 = 4⁻¹ - x ^ 2 + (-y ^ 2 - z ^ 2)
case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ -1 / 2 = 4⁻¹ - x ^ 2 + (-y ^ 2 - z ^ 2)
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : rx ^ 2 + ry ^ 2 + rz ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ -1 / 2 = 4⁻¹ - x ^ 2 + (-y ^ 2 - z ^ 2) TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
let hXSquare := congrArg (λ (x₀ : ℝ) => x₀ - y ^ 2 - z ^ 2) hSphere
case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ -1 / 2 = 4⁻¹ - x ^ 2 + (-y ^ 2 - z ^ 2)
case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hXSquare : (fun x₀ => x₀ - y ^ 2 - z ^ 2) (x ^ 2 + y ^ 2 + z ^ 2) = (fun x₀ => x₀ - y ^ 2 - z ^ 2) (3 / 4) := congrArg (fun x₀ => x₀ - y ^ 2 - z ^ 2) hSphere ⊢ -1 / 2 = 4⁻¹ - x ^ 2 + (-y ^ 2 - z ^ 2)
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ -1 / 2 = 4⁻¹ - x ^ 2 + (-y ^ 2 - z ^ 2) TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
ring_nf at hXSquare
case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hXSquare : (fun x₀ => x₀ - y ^ 2 - z ^ 2) (x ^ 2 + y ^ 2 + z ^ 2) = (fun x₀ => x₀ - y ^ 2 - z ^ 2) (3 / 4) := congrArg (fun x₀ => x₀ - y ^ 2 - z ^ 2) hSphere ⊢ -1 / 2 = 4⁻¹ - x ^ 2 + (-y ^ 2 - z ^ 2)
case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hXSquare : x ^ 2 = 3 / 4 + (-y ^ 2 - z ^ 2) ⊢ -1 / 2 = 4⁻¹ - x ^ 2 + (-y ^ 2 - z ^ 2)
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hXSquare : (fun x₀ => x₀ - y ^ 2 - z ^ 2) (x ^ 2 + y ^ 2 + z ^ 2) = (fun x₀ => x₀ - y ^ 2 - z ^ 2) (3 / 4) := congrArg (fun x₀ => x₀ - y ^ 2 - z ^ 2) hSphere ⊢ -1 / 2 = 4⁻¹ - x ^ 2 + (-y ^ 2 - z ^ 2) TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
rw [hXSquare]
case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hXSquare : x ^ 2 = 3 / 4 + (-y ^ 2 - z ^ 2) ⊢ -1 / 2 = 4⁻¹ - x ^ 2 + (-y ^ 2 - z ^ 2)
case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hXSquare : x ^ 2 = 3 / 4 + (-y ^ 2 - z ^ 2) ⊢ -1 / 2 = 4⁻¹ - (3 / 4 + (-y ^ 2 - z ^ 2)) + (-y ^ 2 - z ^ 2)
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hXSquare : x ^ 2 = 3 / 4 + (-y ^ 2 - z ^ 2) ⊢ -1 / 2 = 4⁻¹ - x ^ 2 + (-y ^ 2 - z ^ 2) TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₀AndSoqqtstqm1₁
[99, 1]
[154, 9]
ring
case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hXSquare : x ^ 2 = 3 / 4 + (-y ^ 2 - z ^ 2) ⊢ -1 / 2 = 4⁻¹ - (3 / 4 + (-y ^ 2 - z ^ 2)) + (-y ^ 2 - z ^ 2)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mpr.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hXSquare : x ^ 2 = 3 / 4 + (-y ^ 2 - z ^ 2) ⊢ -1 / 2 = 4⁻¹ - (3 / 4 + (-y ^ 2 - z ^ 2)) + (-y ^ 2 - z ^ 2) TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
ext ⟨r, x, y, z⟩
⊢ Soqqtstqm1₁ = Soqqtstqm1₂
case h.mk r x y z : ℝ ⊢ { re := r, imI := x, imJ := y, imK := z } ∈ Soqqtstqm1₁ ↔ { re := r, imI := x, imJ := y, imK := z } ∈ Soqqtstqm1₂
Please generate a tactic in lean4 to solve the state. STATE: ⊢ Soqqtstqm1₁ = Soqqtstqm1₂ TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
dsimp [Soqqtstqm1₁, Soqqtstqm1₂]
case h.mk r x y z : ℝ ⊢ { re := r, imI := x, imJ := y, imK := z } ∈ Soqqtstqm1₁ ↔ { re := r, imI := x, imJ := y, imK := z } ∈ Soqqtstqm1₂
case h.mk r x y z : ℝ ⊢ (∃ rx ry rz, { re := r, imI := x, imJ := y, imK := z } = { re := 1 / 2, imI := rx, imJ := ry, imK := rz } ∧ rx * rx + ry * ry + rz * rz = 3 / 4) ↔ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 1 / 2
Please generate a tactic in lean4 to solve the state. STATE: case h.mk r x y z : ℝ ⊢ { re := r, imI := x, imJ := y, imK := z } ∈ Soqqtstqm1₁ ↔ { re := r, imI := x, imJ := y, imK := z } ∈ Soqqtstqm1₂ TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
simp only [one_div, ext_iff]
case h.mk r x y z : ℝ ⊢ (∃ rx ry rz, { re := r, imI := x, imJ := y, imK := z } = { re := 1 / 2, imI := rx, imJ := ry, imK := rz } ∧ rx * rx + ry * ry + rz * rz = 3 / 4) ↔ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 1 / 2
case h.mk r x y z : ℝ ⊢ (∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4) ↔ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
Please generate a tactic in lean4 to solve the state. STATE: case h.mk r x y z : ℝ ⊢ (∃ rx ry rz, { re := r, imI := x, imJ := y, imK := z } = { re := 1 / 2, imI := rx, imJ := ry, imK := rz } ∧ rx * rx + ry * ry + rz * rz = 3 / 4) ↔ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 1 / 2 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
constructor
case h.mk r x y z : ℝ ⊢ (∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4) ↔ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
case h.mk.mp r x y z : ℝ ⊢ (∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4) → ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ case h.mk.mpr r x y z : ℝ ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ → ∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h.mk r x y z : ℝ ⊢ (∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4) ↔ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
intros h₀
case h.mk.mp r x y z : ℝ ⊢ (∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4) → ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
case h.mk.mp r x y z : ℝ h₀ : ∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4 ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp r x y z : ℝ ⊢ (∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4) → ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
rcases h₀ with ⟨rx, ry, rz, hx, hSphere⟩
case h.mk.mp r x y z : ℝ h₀ : ∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4 ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
case h.mk.mp.intro.intro.intro.intro r x y z rx ry rz : ℝ hx : r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp r x y z : ℝ h₀ : ∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4 ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
rcases hx with ⟨hr, hx, hy, hz⟩
case h.mk.mp.intro.intro.intro.intro r x y z rx ry rz : ℝ hx : r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp.intro.intro.intro.intro r x y z rx ry rz : ℝ hx : r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
rw [←hx, ←hy, ←hz] at hSphere
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
have hrSquare := congrArg (λ (x₀ : ℝ) => x₀ ^ 2) hr
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : (fun x₀ => x₀ ^ 2) r = (fun x₀ => x₀ ^ 2) 2⁻¹ ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
simp only [inv_pow] at hrSquare
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : (fun x₀ => x₀ ^ 2) r = (fun x₀ => x₀ ^ 2) 2⁻¹ ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : (fun x₀ => x₀ ^ 2) r = (fun x₀ => x₀ ^ 2) 2⁻¹ ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
have hNormSq := congrArg (λ (x₀ : ℝ) => x₀ + r ^ 2) hSphere
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : (fun x₀ => x₀ + r ^ 2) (x * x + y * y + z * z) = (fun x₀ => x₀ + r ^ 2) (3 / 4) ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
nth_rewrite 2 [hrSquare] at hNormSq
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : (fun x₀ => x₀ + r ^ 2) (x * x + y * y + z * z) = (fun x₀ => x₀ + r ^ 2) (3 / 4) ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : (fun x₀ => x₀ + r ^ 2) (x * x + y * y + z * z) = (fun x₀ => x₀ + (2 ^ 2)⁻¹) (3 / 4) ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : (fun x₀ => x₀ + r ^ 2) (x * x + y * y + z * z) = (fun x₀ => x₀ + r ^ 2) (3 / 4) ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
simp only at hNormSq
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : (fun x₀ => x₀ + r ^ 2) (x * x + y * y + z * z) = (fun x₀ => x₀ + (2 ^ 2)⁻¹) (3 / 4) ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x * x + y * y + z * z + r ^ 2 = 3 / 4 + (2 ^ 2)⁻¹ ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : (fun x₀ => x₀ + r ^ 2) (x * x + y * y + z * z) = (fun x₀ => x₀ + (2 ^ 2)⁻¹) (3 / 4) ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
ring_nf at hNormSq
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x * x + y * y + z * z + r ^ 2 = 3 / 4 + (2 ^ 2)⁻¹ ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x * x + y * y + z * z + r ^ 2 = 3 / 4 + (2 ^ 2)⁻¹ ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
let hSqrtNormSquare := congrArg Real.sqrt (Quaternion.normSq_eq_norm_mul_self (@QuaternionAlgebra.mk ℝ (-1) (-1) r x y z))
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 hSqrtNormSquare : √(normSq { re := r, imI := x, imJ := y, imK := z }) = √(‖{ re := r, imI := x, imJ := y, imK := z }‖ * ‖{ re := r, imI := x, imJ := y, imK := z }‖) := congrArg Real.sqrt (normSq_eq_norm_mul_self { re := r, imI := x, imJ := y, imK := z }) ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
simp only [norm_nonneg, Real.sqrt_mul_self] at hSqrtNormSquare
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 hSqrtNormSquare : √(normSq { re := r, imI := x, imJ := y, imK := z }) = √(‖{ re := r, imI := x, imJ := y, imK := z }‖ * ‖{ re := r, imI := x, imJ := y, imK := z }‖) := congrArg Real.sqrt (normSq_eq_norm_mul_self { re := r, imI := x, imJ := y, imK := z }) ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 hSqrtNormSquare : √(normSq { re := r, imI := x, imJ := y, imK := z }) = ‖{ re := r, imI := x, imJ := y, imK := z }‖ ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 hSqrtNormSquare : √(normSq { re := r, imI := x, imJ := y, imK := z }) = √(‖{ re := r, imI := x, imJ := y, imK := z }‖ * ‖{ re := r, imI := x, imJ := y, imK := z }‖) := congrArg Real.sqrt (normSq_eq_norm_mul_self { re := r, imI := x, imJ := y, imK := z }) ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
rw [←hSqrtNormSquare, Quaternion.normSq_def']
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 hSqrtNormSquare : √(normSq { re := r, imI := x, imJ := y, imK := z }) = ‖{ re := r, imI := x, imJ := y, imK := z }‖ ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 hSqrtNormSquare : √(normSq { re := r, imI := x, imJ := y, imK := z }) = ‖{ re := r, imI := x, imJ := y, imK := z }‖ ⊢ √({ re := r, imI := x, imJ := y, imK := z }.re ^ 2 + { re := r, imI := x, imJ := y, imK := z }.imI ^ 2 + { re := r, imI := x, imJ := y, imK := z }.imJ ^ 2 + { re := r, imI := x, imJ := y, imK := z }.imK ^ 2) = 1 ∧ r = 2⁻¹
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 hSqrtNormSquare : √(normSq { re := r, imI := x, imJ := y, imK := z }) = ‖{ re := r, imI := x, imJ := y, imK := z }‖ ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
simp only [Real.sqrt_eq_one]
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 hSqrtNormSquare : √(normSq { re := r, imI := x, imJ := y, imK := z }) = ‖{ re := r, imI := x, imJ := y, imK := z }‖ ⊢ √({ re := r, imI := x, imJ := y, imK := z }.re ^ 2 + { re := r, imI := x, imJ := y, imK := z }.imI ^ 2 + { re := r, imI := x, imJ := y, imK := z }.imJ ^ 2 + { re := r, imI := x, imJ := y, imK := z }.imK ^ 2) = 1 ∧ r = 2⁻¹
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 hSqrtNormSquare : √(normSq { re := r, imI := x, imJ := y, imK := z }) = ‖{ re := r, imI := x, imJ := y, imK := z }‖ ⊢ r ^ 2 + x ^ 2 + y ^ 2 + z ^ 2 = 1 ∧ r = 2⁻¹
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 hSqrtNormSquare : √(normSq { re := r, imI := x, imJ := y, imK := z }) = ‖{ re := r, imI := x, imJ := y, imK := z }‖ ⊢ √({ re := r, imI := x, imJ := y, imK := z }.re ^ 2 + { re := r, imI := x, imJ := y, imK := z }.imI ^ 2 + { re := r, imI := x, imJ := y, imK := z }.imJ ^ 2 + { re := r, imI := x, imJ := y, imK := z }.imK ^ 2) = 1 ∧ r = 2⁻¹ TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
constructor
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 hSqrtNormSquare : √(normSq { re := r, imI := x, imJ := y, imK := z }) = ‖{ re := r, imI := x, imJ := y, imK := z }‖ ⊢ r ^ 2 + x ^ 2 + y ^ 2 + z ^ 2 = 1 ∧ r = 2⁻¹
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro.left r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 hSqrtNormSquare : √(normSq { re := r, imI := x, imJ := y, imK := z }) = ‖{ re := r, imI := x, imJ := y, imK := z }‖ ⊢ r ^ 2 + x ^ 2 + y ^ 2 + z ^ 2 = 1 case h.mk.mp.intro.intro.intro.intro.intro.intro.intro.right r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 hSqrtNormSquare : √(normSq { re := r, imI := x, imJ := y, imK := z }) = ‖{ re := r, imI := x, imJ := y, imK := z }‖ ⊢ r = 2⁻¹
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 hSqrtNormSquare : √(normSq { re := r, imI := x, imJ := y, imK := z }) = ‖{ re := r, imI := x, imJ := y, imK := z }‖ ⊢ r ^ 2 + x ^ 2 + y ^ 2 + z ^ 2 = 1 ∧ r = 2⁻¹ TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
rw [←hNormSq]
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro.left r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 hSqrtNormSquare : √(normSq { re := r, imI := x, imJ := y, imK := z }) = ‖{ re := r, imI := x, imJ := y, imK := z }‖ ⊢ r ^ 2 + x ^ 2 + y ^ 2 + z ^ 2 = 1
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro.left r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 hSqrtNormSquare : √(normSq { re := r, imI := x, imJ := y, imK := z }) = ‖{ re := r, imI := x, imJ := y, imK := z }‖ ⊢ r ^ 2 + x ^ 2 + y ^ 2 + z ^ 2 = x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp.intro.intro.intro.intro.intro.intro.intro.left r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 hSqrtNormSquare : √(normSq { re := r, imI := x, imJ := y, imK := z }) = ‖{ re := r, imI := x, imJ := y, imK := z }‖ ⊢ r ^ 2 + x ^ 2 + y ^ 2 + z ^ 2 = 1 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
ring_nf
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro.left r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 hSqrtNormSquare : √(normSq { re := r, imI := x, imJ := y, imK := z }) = ‖{ re := r, imI := x, imJ := y, imK := z }‖ ⊢ r ^ 2 + x ^ 2 + y ^ 2 + z ^ 2 = x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp.intro.intro.intro.intro.intro.intro.intro.left r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 hSqrtNormSquare : √(normSq { re := r, imI := x, imJ := y, imK := z }) = ‖{ re := r, imI := x, imJ := y, imK := z }‖ ⊢ r ^ 2 + x ^ 2 + y ^ 2 + z ^ 2 = x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
exact hr
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro.right r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 hSqrtNormSquare : √(normSq { re := r, imI := x, imJ := y, imK := z }) = ‖{ re := r, imI := x, imJ := y, imK := z }‖ ⊢ r = 2⁻¹
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp.intro.intro.intro.intro.intro.intro.intro.right r x y z rx ry rz : ℝ hSphere : x * x + y * y + z * z = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz hrSquare : r ^ 2 = (2 ^ 2)⁻¹ hNormSq : x ^ 2 + y ^ 2 + z ^ 2 + r ^ 2 = 1 hSqrtNormSquare : √(normSq { re := r, imI := x, imJ := y, imK := z }) = ‖{ re := r, imI := x, imJ := y, imK := z }‖ ⊢ r = 2⁻¹ TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
intros h₀
case h.mk.mpr r x y z : ℝ ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ → ∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4
case h.mk.mpr r x y z : ℝ h₀ : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ ⊢ ∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mpr r x y z : ℝ ⊢ ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ → ∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
use x
case h.mk.mpr r x y z : ℝ h₀ : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ ⊢ ∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4
case h r x y z : ℝ h₀ : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ ⊢ ∃ ry rz, (r = 2⁻¹ ∧ x = x ∧ y = ry ∧ z = rz) ∧ x * x + ry * ry + rz * rz = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mpr r x y z : ℝ h₀ : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ ⊢ ∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
use y
case h r x y z : ℝ h₀ : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ ⊢ ∃ ry rz, (r = 2⁻¹ ∧ x = x ∧ y = ry ∧ z = rz) ∧ x * x + ry * ry + rz * rz = 3 / 4
case h r x y z : ℝ h₀ : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ ⊢ ∃ rz, (r = 2⁻¹ ∧ x = x ∧ y = y ∧ z = rz) ∧ x * x + y * y + rz * rz = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h r x y z : ℝ h₀ : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ ⊢ ∃ ry rz, (r = 2⁻¹ ∧ x = x ∧ y = ry ∧ z = rz) ∧ x * x + ry * ry + rz * rz = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
use z
case h r x y z : ℝ h₀ : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ ⊢ ∃ rz, (r = 2⁻¹ ∧ x = x ∧ y = y ∧ z = rz) ∧ x * x + y * y + rz * rz = 3 / 4
case h r x y z : ℝ h₀ : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ ⊢ (r = 2⁻¹ ∧ x = x ∧ y = y ∧ z = z) ∧ x * x + y * y + z * z = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h r x y z : ℝ h₀ : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ ⊢ ∃ rz, (r = 2⁻¹ ∧ x = x ∧ y = y ∧ z = rz) ∧ x * x + y * y + rz * rz = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
rcases h₀ with ⟨hNorm, hr⟩
case h r x y z : ℝ h₀ : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ ⊢ (r = 2⁻¹ ∧ x = x ∧ y = y ∧ z = z) ∧ x * x + y * y + z * z = 3 / 4
case h.intro r x y z : ℝ hNorm : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 hr : r = 2⁻¹ ⊢ (r = 2⁻¹ ∧ x = x ∧ y = y ∧ z = z) ∧ x * x + y * y + z * z = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h r x y z : ℝ h₀ : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 ∧ r = 2⁻¹ ⊢ (r = 2⁻¹ ∧ x = x ∧ y = y ∧ z = z) ∧ x * x + y * y + z * z = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
simp only [hr, and_self, true_and]
case h.intro r x y z : ℝ hNorm : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 hr : r = 2⁻¹ ⊢ (r = 2⁻¹ ∧ x = x ∧ y = y ∧ z = z) ∧ x * x + y * y + z * z = 3 / 4
case h.intro r x y z : ℝ hNorm : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 hr : r = 2⁻¹ ⊢ x * x + y * y + z * z = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h.intro r x y z : ℝ hNorm : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 hr : r = 2⁻¹ ⊢ (r = 2⁻¹ ∧ x = x ∧ y = y ∧ z = z) ∧ x * x + y * y + z * z = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
have hNormSqMr := congrArg (λ (x₀ : ℝ) => x₀ * x₀ - 1 / 4) hNorm
case h.intro r x y z : ℝ hNorm : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 hr : r = 2⁻¹ ⊢ x * x + y * y + z * z = 3 / 4
case h.intro r x y z : ℝ hNorm : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 hr : r = 2⁻¹ hNormSqMr : (fun x₀ => x₀ * x₀ - 1 / 4) ‖{ re := r, imI := x, imJ := y, imK := z }‖ = (fun x₀ => x₀ * x₀ - 1 / 4) 1 ⊢ x * x + y * y + z * z = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h.intro r x y z : ℝ hNorm : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 hr : r = 2⁻¹ ⊢ x * x + y * y + z * z = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
simp only [one_div, mul_one, ←Quaternion.normSq_eq_norm_mul_self, Quaternion.normSq_def'] at hNormSqMr
case h.intro r x y z : ℝ hNorm : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 hr : r = 2⁻¹ hNormSqMr : (fun x₀ => x₀ * x₀ - 1 / 4) ‖{ re := r, imI := x, imJ := y, imK := z }‖ = (fun x₀ => x₀ * x₀ - 1 / 4) 1 ⊢ x * x + y * y + z * z = 3 / 4
case h.intro r x y z : ℝ hNorm : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 hr : r = 2⁻¹ hNormSqMr : r ^ 2 + x ^ 2 + y ^ 2 + z ^ 2 - 4⁻¹ = 1 - 4⁻¹ ⊢ x * x + y * y + z * z = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h.intro r x y z : ℝ hNorm : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 hr : r = 2⁻¹ hNormSqMr : (fun x₀ => x₀ * x₀ - 1 / 4) ‖{ re := r, imI := x, imJ := y, imK := z }‖ = (fun x₀ => x₀ * x₀ - 1 / 4) 1 ⊢ x * x + y * y + z * z = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
simp only [hr, inv_pow] at hNormSqMr
case h.intro r x y z : ℝ hNorm : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 hr : r = 2⁻¹ hNormSqMr : r ^ 2 + x ^ 2 + y ^ 2 + z ^ 2 - 4⁻¹ = 1 - 4⁻¹ ⊢ x * x + y * y + z * z = 3 / 4
case h.intro r x y z : ℝ hNorm : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 hr : r = 2⁻¹ hNormSqMr : (2 ^ 2)⁻¹ + x ^ 2 + y ^ 2 + z ^ 2 - 4⁻¹ = 1 - 4⁻¹ ⊢ x * x + y * y + z * z = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h.intro r x y z : ℝ hNorm : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 hr : r = 2⁻¹ hNormSqMr : r ^ 2 + x ^ 2 + y ^ 2 + z ^ 2 - 4⁻¹ = 1 - 4⁻¹ ⊢ x * x + y * y + z * z = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
ring_nf at hNormSqMr
case h.intro r x y z : ℝ hNorm : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 hr : r = 2⁻¹ hNormSqMr : (2 ^ 2)⁻¹ + x ^ 2 + y ^ 2 + z ^ 2 - 4⁻¹ = 1 - 4⁻¹ ⊢ x * x + y * y + z * z = 3 / 4
case h.intro r x y z : ℝ hNorm : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 hr : r = 2⁻¹ hNormSqMr : x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 ⊢ x * x + y * y + z * z = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h.intro r x y z : ℝ hNorm : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 hr : r = 2⁻¹ hNormSqMr : (2 ^ 2)⁻¹ + x ^ 2 + y ^ 2 + z ^ 2 - 4⁻¹ = 1 - 4⁻¹ ⊢ x * x + y * y + z * z = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
ring_nf
case h.intro r x y z : ℝ hNorm : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 hr : r = 2⁻¹ hNormSqMr : x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 ⊢ x * x + y * y + z * z = 3 / 4
case h.intro r x y z : ℝ hNorm : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 hr : r = 2⁻¹ hNormSqMr : x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 ⊢ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h.intro r x y z : ℝ hNorm : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 hr : r = 2⁻¹ hNormSqMr : x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 ⊢ x * x + y * y + z * z = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₂
[156, 1]
[190, 19]
rw [hNormSqMr]
case h.intro r x y z : ℝ hNorm : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 hr : r = 2⁻¹ hNormSqMr : x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 ⊢ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.intro r x y z : ℝ hNorm : ‖{ re := r, imI := x, imJ := y, imK := z }‖ = 1 hr : r = 2⁻¹ hNormSqMr : x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 ⊢ x ^ 2 + y ^ 2 + z ^ 2 = 3 / 4 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₃
[192, 1]
[234, 12]
ext ⟨r, x, y, z⟩
⊢ Soqqtstqm1₁ = Soqqtstqm1₃
case h.mk r x y z : ℝ ⊢ { re := r, imI := x, imJ := y, imK := z } ∈ Soqqtstqm1₁ ↔ { re := r, imI := x, imJ := y, imK := z } ∈ Soqqtstqm1₃
Please generate a tactic in lean4 to solve the state. STATE: ⊢ Soqqtstqm1₁ = Soqqtstqm1₃ TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₃
[192, 1]
[234, 12]
dsimp [Soqqtstqm1₁, Soqqtstqm1₃, Soqtstn1₁]
case h.mk r x y z : ℝ ⊢ { re := r, imI := x, imJ := y, imK := z } ∈ Soqqtstqm1₁ ↔ { re := r, imI := x, imJ := y, imK := z } ∈ Soqqtstqm1₃
case h.mk r x y z : ℝ ⊢ (∃ rx ry rz, { re := r, imI := x, imJ := y, imK := z } = { re := 1 / 2, imI := rx, imJ := ry, imK := rz } ∧ rx * rx + ry * ry + rz * rz = 3 / 4) ↔ ∃ qim, (∃ rx ry rz, qim = { re := 0, imI := rx, imJ := ry, imK := rz } ∧ rx * rx + ry * ry + rz * rz = 1) ∧ { re := r, imI := x, imJ := y, imK := z } = 1 / 2 + qim * ↑√3 / 2
Please generate a tactic in lean4 to solve the state. STATE: case h.mk r x y z : ℝ ⊢ { re := r, imI := x, imJ := y, imK := z } ∈ Soqqtstqm1₁ ↔ { re := r, imI := x, imJ := y, imK := z } ∈ Soqqtstqm1₃ TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₃
[192, 1]
[234, 12]
simp only [one_div, ext_iff, add_re, add_imI, add_imJ, add_imK]
case h.mk r x y z : ℝ ⊢ (∃ rx ry rz, { re := r, imI := x, imJ := y, imK := z } = { re := 1 / 2, imI := rx, imJ := ry, imK := rz } ∧ rx * rx + ry * ry + rz * rz = 3 / 4) ↔ ∃ qim, (∃ rx ry rz, qim = { re := 0, imI := rx, imJ := ry, imK := rz } ∧ rx * rx + ry * ry + rz * rz = 1) ∧ { re := r, imI := x, imJ := y, imK := z } = 1 / 2 + qim * ↑√3 / 2
case h.mk r x y z : ℝ ⊢ (∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4) ↔ ∃ qim, (∃ rx ry rz, (qim.re = 0 ∧ qim.imI = rx ∧ qim.imJ = ry ∧ qim.imK = rz) ∧ rx * rx + ry * ry + rz * rz = 1) ∧ r = 2⁻¹.re + (qim * ↑√3 / 2).re ∧ x = 2⁻¹.imI + (qim * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + (qim * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + (qim * ↑√3 / 2).imK
Please generate a tactic in lean4 to solve the state. STATE: case h.mk r x y z : ℝ ⊢ (∃ rx ry rz, { re := r, imI := x, imJ := y, imK := z } = { re := 1 / 2, imI := rx, imJ := ry, imK := rz } ∧ rx * rx + ry * ry + rz * rz = 3 / 4) ↔ ∃ qim, (∃ rx ry rz, qim = { re := 0, imI := rx, imJ := ry, imK := rz } ∧ rx * rx + ry * ry + rz * rz = 1) ∧ { re := r, imI := x, imJ := y, imK := z } = 1 / 2 + qim * ↑√3 / 2 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₃
[192, 1]
[234, 12]
constructor
case h.mk r x y z : ℝ ⊢ (∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4) ↔ ∃ qim, (∃ rx ry rz, (qim.re = 0 ∧ qim.imI = rx ∧ qim.imJ = ry ∧ qim.imK = rz) ∧ rx * rx + ry * ry + rz * rz = 1) ∧ r = 2⁻¹.re + (qim * ↑√3 / 2).re ∧ x = 2⁻¹.imI + (qim * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + (qim * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + (qim * ↑√3 / 2).imK
case h.mk.mp r x y z : ℝ ⊢ (∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4) → ∃ qim, (∃ rx ry rz, (qim.re = 0 ∧ qim.imI = rx ∧ qim.imJ = ry ∧ qim.imK = rz) ∧ rx * rx + ry * ry + rz * rz = 1) ∧ r = 2⁻¹.re + (qim * ↑√3 / 2).re ∧ x = 2⁻¹.imI + (qim * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + (qim * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + (qim * ↑√3 / 2).imK case h.mk.mpr r x y z : ℝ ⊢ (∃ qim, (∃ rx ry rz, (qim.re = 0 ∧ qim.imI = rx ∧ qim.imJ = ry ∧ qim.imK = rz) ∧ rx * rx + ry * ry + rz * rz = 1) ∧ r = 2⁻¹.re + (qim * ↑√3 / 2).re ∧ x = 2⁻¹.imI + (qim * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + (qim * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + (qim * ↑√3 / 2).imK) → ∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4
Please generate a tactic in lean4 to solve the state. STATE: case h.mk r x y z : ℝ ⊢ (∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4) ↔ ∃ qim, (∃ rx ry rz, (qim.re = 0 ∧ qim.imI = rx ∧ qim.imJ = ry ∧ qim.imK = rz) ∧ rx * rx + ry * ry + rz * rz = 1) ∧ r = 2⁻¹.re + (qim * ↑√3 / 2).re ∧ x = 2⁻¹.imI + (qim * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + (qim * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + (qim * ↑√3 / 2).imK TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₃
[192, 1]
[234, 12]
intros h₀
case h.mk.mp r x y z : ℝ ⊢ (∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4) → ∃ qim, (∃ rx ry rz, (qim.re = 0 ∧ qim.imI = rx ∧ qim.imJ = ry ∧ qim.imK = rz) ∧ rx * rx + ry * ry + rz * rz = 1) ∧ r = 2⁻¹.re + (qim * ↑√3 / 2).re ∧ x = 2⁻¹.imI + (qim * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + (qim * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + (qim * ↑√3 / 2).imK
case h.mk.mp r x y z : ℝ h₀ : ∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4 ⊢ ∃ qim, (∃ rx ry rz, (qim.re = 0 ∧ qim.imI = rx ∧ qim.imJ = ry ∧ qim.imK = rz) ∧ rx * rx + ry * ry + rz * rz = 1) ∧ r = 2⁻¹.re + (qim * ↑√3 / 2).re ∧ x = 2⁻¹.imI + (qim * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + (qim * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + (qim * ↑√3 / 2).imK
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp r x y z : ℝ ⊢ (∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4) → ∃ qim, (∃ rx ry rz, (qim.re = 0 ∧ qim.imI = rx ∧ qim.imJ = ry ∧ qim.imK = rz) ∧ rx * rx + ry * ry + rz * rz = 1) ∧ r = 2⁻¹.re + (qim * ↑√3 / 2).re ∧ x = 2⁻¹.imI + (qim * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + (qim * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + (qim * ↑√3 / 2).imK TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₃
[192, 1]
[234, 12]
rcases h₀ with ⟨rx, ry, rz, hx, hSphere⟩
case h.mk.mp r x y z : ℝ h₀ : ∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4 ⊢ ∃ qim, (∃ rx ry rz, (qim.re = 0 ∧ qim.imI = rx ∧ qim.imJ = ry ∧ qim.imK = rz) ∧ rx * rx + ry * ry + rz * rz = 1) ∧ r = 2⁻¹.re + (qim * ↑√3 / 2).re ∧ x = 2⁻¹.imI + (qim * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + (qim * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + (qim * ↑√3 / 2).imK
case h.mk.mp.intro.intro.intro.intro r x y z rx ry rz : ℝ hx : r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 ⊢ ∃ qim, (∃ rx ry rz, (qim.re = 0 ∧ qim.imI = rx ∧ qim.imJ = ry ∧ qim.imK = rz) ∧ rx * rx + ry * ry + rz * rz = 1) ∧ r = 2⁻¹.re + (qim * ↑√3 / 2).re ∧ x = 2⁻¹.imI + (qim * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + (qim * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + (qim * ↑√3 / 2).imK
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp r x y z : ℝ h₀ : ∃ rx ry rz, (r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz) ∧ rx * rx + ry * ry + rz * rz = 3 / 4 ⊢ ∃ qim, (∃ rx ry rz, (qim.re = 0 ∧ qim.imI = rx ∧ qim.imJ = ry ∧ qim.imK = rz) ∧ rx * rx + ry * ry + rz * rz = 1) ∧ r = 2⁻¹.re + (qim * ↑√3 / 2).re ∧ x = 2⁻¹.imI + (qim * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + (qim * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + (qim * ↑√3 / 2).imK TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₃
[192, 1]
[234, 12]
rcases hx with ⟨hr, hx, hy, hz⟩
case h.mk.mp.intro.intro.intro.intro r x y z rx ry rz : ℝ hx : r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 ⊢ ∃ qim, (∃ rx ry rz, (qim.re = 0 ∧ qim.imI = rx ∧ qim.imJ = ry ∧ qim.imK = rz) ∧ rx * rx + ry * ry + rz * rz = 1) ∧ r = 2⁻¹.re + (qim * ↑√3 / 2).re ∧ x = 2⁻¹.imI + (qim * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + (qim * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + (qim * ↑√3 / 2).imK
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ ∃ qim, (∃ rx ry rz, (qim.re = 0 ∧ qim.imI = rx ∧ qim.imJ = ry ∧ qim.imK = rz) ∧ rx * rx + ry * ry + rz * rz = 1) ∧ r = 2⁻¹.re + (qim * ↑√3 / 2).re ∧ x = 2⁻¹.imI + (qim * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + (qim * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + (qim * ↑√3 / 2).imK
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp.intro.intro.intro.intro r x y z rx ry rz : ℝ hx : r = 2⁻¹ ∧ x = rx ∧ y = ry ∧ z = rz hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 ⊢ ∃ qim, (∃ rx ry rz, (qim.re = 0 ∧ qim.imI = rx ∧ qim.imJ = ry ∧ qim.imK = rz) ∧ rx * rx + ry * ry + rz * rz = 1) ∧ r = 2⁻¹.re + (qim * ↑√3 / 2).re ∧ x = 2⁻¹.imI + (qim * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + (qim * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + (qim * ↑√3 / 2).imK TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₃
[192, 1]
[234, 12]
use (@QuaternionAlgebra.mk ℝ (-1) (-1) 0 (rx * 2 / Real.sqrt 3) (ry * 2 / Real.sqrt 3) (rz * 2 / Real.sqrt 3))
case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ ∃ qim, (∃ rx ry rz, (qim.re = 0 ∧ qim.imI = rx ∧ qim.imJ = ry ∧ qim.imK = rz) ∧ rx * rx + ry * ry + rz * rz = 1) ∧ r = 2⁻¹.re + (qim * ↑√3 / 2).re ∧ x = 2⁻¹.imI + (qim * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + (qim * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + (qim * ↑√3 / 2).imK
case h r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ (∃ rx_1 ry_1 rz_1, ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 }.re = 0 ∧ { re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 }.imI = rx_1 ∧ { re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 }.imJ = ry_1 ∧ { re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 }.imK = rz_1) ∧ rx_1 * rx_1 + ry_1 * ry_1 + rz_1 * rz_1 = 1) ∧ r = 2⁻¹.re + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).re ∧ x = 2⁻¹.imI + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).imK
Please generate a tactic in lean4 to solve the state. STATE: case h.mk.mp.intro.intro.intro.intro.intro.intro.intro r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ ∃ qim, (∃ rx ry rz, (qim.re = 0 ∧ qim.imI = rx ∧ qim.imJ = ry ∧ qim.imK = rz) ∧ rx * rx + ry * ry + rz * rz = 1) ∧ r = 2⁻¹.re + (qim * ↑√3 / 2).re ∧ x = 2⁻¹.imI + (qim * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + (qim * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + (qim * ↑√3 / 2).imK TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₃
[192, 1]
[234, 12]
simp only [true_and]
case h r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ (∃ rx_1 ry_1 rz_1, ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 }.re = 0 ∧ { re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 }.imI = rx_1 ∧ { re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 }.imJ = ry_1 ∧ { re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 }.imK = rz_1) ∧ rx_1 * rx_1 + ry_1 * ry_1 + rz_1 * rz_1 = 1) ∧ r = 2⁻¹.re + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).re ∧ x = 2⁻¹.imI + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).imK
case h r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ (∃ rx_1 ry_1 rz_1, (rx * 2 / √3 = rx_1 ∧ ry * 2 / √3 = ry_1 ∧ rz * 2 / √3 = rz_1) ∧ rx_1 * rx_1 + ry_1 * ry_1 + rz_1 * rz_1 = 1) ∧ r = 2⁻¹.re + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).re ∧ x = 2⁻¹.imI + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).imK
Please generate a tactic in lean4 to solve the state. STATE: case h r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ (∃ rx_1 ry_1 rz_1, ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 }.re = 0 ∧ { re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 }.imI = rx_1 ∧ { re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 }.imJ = ry_1 ∧ { re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 }.imK = rz_1) ∧ rx_1 * rx_1 + ry_1 * ry_1 + rz_1 * rz_1 = 1) ∧ r = 2⁻¹.re + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).re ∧ x = 2⁻¹.imI + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).imK TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₃
[192, 1]
[234, 12]
constructor
case h r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ (∃ rx_1 ry_1 rz_1, (rx * 2 / √3 = rx_1 ∧ ry * 2 / √3 = ry_1 ∧ rz * 2 / √3 = rz_1) ∧ rx_1 * rx_1 + ry_1 * ry_1 + rz_1 * rz_1 = 1) ∧ r = 2⁻¹.re + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).re ∧ x = 2⁻¹.imI + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).imK
case h.left r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ ∃ rx_1 ry_1 rz_1, (rx * 2 / √3 = rx_1 ∧ ry * 2 / √3 = ry_1 ∧ rz * 2 / √3 = rz_1) ∧ rx_1 * rx_1 + ry_1 * ry_1 + rz_1 * rz_1 = 1 case h.right r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ r = 2⁻¹.re + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).re ∧ x = 2⁻¹.imI + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).imK
Please generate a tactic in lean4 to solve the state. STATE: case h r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ (∃ rx_1 ry_1 rz_1, (rx * 2 / √3 = rx_1 ∧ ry * 2 / √3 = ry_1 ∧ rz * 2 / √3 = rz_1) ∧ rx_1 * rx_1 + ry_1 * ry_1 + rz_1 * rz_1 = 1) ∧ r = 2⁻¹.re + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).re ∧ x = 2⁻¹.imI + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).imI ∧ y = 2⁻¹.imJ + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).imJ ∧ z = 2⁻¹.imK + ({ re := 0, imI := rx * 2 / √3, imJ := ry * 2 / √3, imK := rz * 2 / √3 } * ↑√3 / 2).imK TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₃
[192, 1]
[234, 12]
use rx * 2 / Real.sqrt 3
case h.left r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ ∃ rx_1 ry_1 rz_1, (rx * 2 / √3 = rx_1 ∧ ry * 2 / √3 = ry_1 ∧ rz * 2 / √3 = rz_1) ∧ rx_1 * rx_1 + ry_1 * ry_1 + rz_1 * rz_1 = 1
case h r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ ∃ ry_1 rz_1, (rx * 2 / √3 = rx * 2 / √3 ∧ ry * 2 / √3 = ry_1 ∧ rz * 2 / √3 = rz_1) ∧ rx * 2 / √3 * (rx * 2 / √3) + ry_1 * ry_1 + rz_1 * rz_1 = 1
Please generate a tactic in lean4 to solve the state. STATE: case h.left r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ ∃ rx_1 ry_1 rz_1, (rx * 2 / √3 = rx_1 ∧ ry * 2 / √3 = ry_1 ∧ rz * 2 / √3 = rz_1) ∧ rx_1 * rx_1 + ry_1 * ry_1 + rz_1 * rz_1 = 1 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₃
[192, 1]
[234, 12]
use ry * 2 / Real.sqrt 3
case h r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ ∃ ry_1 rz_1, (rx * 2 / √3 = rx * 2 / √3 ∧ ry * 2 / √3 = ry_1 ∧ rz * 2 / √3 = rz_1) ∧ rx * 2 / √3 * (rx * 2 / √3) + ry_1 * ry_1 + rz_1 * rz_1 = 1
case h r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ ∃ rz_1, (rx * 2 / √3 = rx * 2 / √3 ∧ ry * 2 / √3 = ry * 2 / √3 ∧ rz * 2 / √3 = rz_1) ∧ rx * 2 / √3 * (rx * 2 / √3) + ry * 2 / √3 * (ry * 2 / √3) + rz_1 * rz_1 = 1
Please generate a tactic in lean4 to solve the state. STATE: case h r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ ∃ ry_1 rz_1, (rx * 2 / √3 = rx * 2 / √3 ∧ ry * 2 / √3 = ry_1 ∧ rz * 2 / √3 = rz_1) ∧ rx * 2 / √3 * (rx * 2 / √3) + ry_1 * ry_1 + rz_1 * rz_1 = 1 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₃
[192, 1]
[234, 12]
use rz * 2 / Real.sqrt 3
case h r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ ∃ rz_1, (rx * 2 / √3 = rx * 2 / √3 ∧ ry * 2 / √3 = ry * 2 / √3 ∧ rz * 2 / √3 = rz_1) ∧ rx * 2 / √3 * (rx * 2 / √3) + ry * 2 / √3 * (ry * 2 / √3) + rz_1 * rz_1 = 1
case h r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ (rx * 2 / √3 = rx * 2 / √3 ∧ ry * 2 / √3 = ry * 2 / √3 ∧ rz * 2 / √3 = rz * 2 / √3) ∧ rx * 2 / √3 * (rx * 2 / √3) + ry * 2 / √3 * (ry * 2 / √3) + rz * 2 / √3 * (rz * 2 / √3) = 1
Please generate a tactic in lean4 to solve the state. STATE: case h r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ ∃ rz_1, (rx * 2 / √3 = rx * 2 / √3 ∧ ry * 2 / √3 = ry * 2 / √3 ∧ rz * 2 / √3 = rz_1) ∧ rx * 2 / √3 * (rx * 2 / √3) + ry * 2 / √3 * (ry * 2 / √3) + rz_1 * rz_1 = 1 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₃
[192, 1]
[234, 12]
constructor
case h r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ (rx * 2 / √3 = rx * 2 / √3 ∧ ry * 2 / √3 = ry * 2 / √3 ∧ rz * 2 / √3 = rz * 2 / √3) ∧ rx * 2 / √3 * (rx * 2 / √3) + ry * 2 / √3 * (ry * 2 / √3) + rz * 2 / √3 * (rz * 2 / √3) = 1
case h.left r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ rx * 2 / √3 = rx * 2 / √3 ∧ ry * 2 / √3 = ry * 2 / √3 ∧ rz * 2 / √3 = rz * 2 / √3 case h.right r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ rx * 2 / √3 * (rx * 2 / √3) + ry * 2 / √3 * (ry * 2 / √3) + rz * 2 / √3 * (rz * 2 / √3) = 1
Please generate a tactic in lean4 to solve the state. STATE: case h r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ (rx * 2 / √3 = rx * 2 / √3 ∧ ry * 2 / √3 = ry * 2 / √3 ∧ rz * 2 / √3 = rz * 2 / √3) ∧ rx * 2 / √3 * (rx * 2 / √3) + ry * 2 / √3 * (ry * 2 / √3) + rz * 2 / √3 * (rz * 2 / √3) = 1 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₃
[192, 1]
[234, 12]
simp only [and_self]
case h.left r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ rx * 2 / √3 = rx * 2 / √3 ∧ ry * 2 / √3 = ry * 2 / √3 ∧ rz * 2 / √3 = rz * 2 / √3
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.left r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ rx * 2 / √3 = rx * 2 / √3 ∧ ry * 2 / √3 = ry * 2 / √3 ∧ rz * 2 / √3 = rz * 2 / √3 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₃
[192, 1]
[234, 12]
ring_nf
case h.right r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ rx * 2 / √3 * (rx * 2 / √3) + ry * 2 / √3 * (ry * 2 / √3) + rz * 2 / √3 * (rz * 2 / √3) = 1
case h.right r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ rx ^ 2 * (√3)⁻¹ ^ 2 * 4 + (√3)⁻¹ ^ 2 * ry ^ 2 * 4 + (√3)⁻¹ ^ 2 * rz ^ 2 * 4 = 1
Please generate a tactic in lean4 to solve the state. STATE: case h.right r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ rx * 2 / √3 * (rx * 2 / √3) + ry * 2 / √3 * (ry * 2 / √3) + rz * 2 / √3 * (rz * 2 / √3) = 1 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₃
[192, 1]
[234, 12]
have h3g0 : (0 : ℝ) ≤ 3 := by linarith
case h.right r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ rx ^ 2 * (√3)⁻¹ ^ 2 * 4 + (√3)⁻¹ ^ 2 * ry ^ 2 * 4 + (√3)⁻¹ ^ 2 * rz ^ 2 * 4 = 1
case h.right r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz h3g0 : 0 ≤ 3 ⊢ rx ^ 2 * (√3)⁻¹ ^ 2 * 4 + (√3)⁻¹ ^ 2 * ry ^ 2 * 4 + (√3)⁻¹ ^ 2 * rz ^ 2 * 4 = 1
Please generate a tactic in lean4 to solve the state. STATE: case h.right r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz ⊢ rx ^ 2 * (√3)⁻¹ ^ 2 * 4 + (√3)⁻¹ ^ 2 * ry ^ 2 * 4 + (√3)⁻¹ ^ 2 * rz ^ 2 * 4 = 1 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₃
[192, 1]
[234, 12]
simp only [inv_pow, Real.sq_sqrt h3g0]
case h.right r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz h3g0 : 0 ≤ 3 ⊢ rx ^ 2 * (√3)⁻¹ ^ 2 * 4 + (√3)⁻¹ ^ 2 * ry ^ 2 * 4 + (√3)⁻¹ ^ 2 * rz ^ 2 * 4 = 1
case h.right r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz h3g0 : 0 ≤ 3 ⊢ rx ^ 2 * 3⁻¹ * 4 + 3⁻¹ * ry ^ 2 * 4 + 3⁻¹ * rz ^ 2 * 4 = 1
Please generate a tactic in lean4 to solve the state. STATE: case h.right r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz h3g0 : 0 ≤ 3 ⊢ rx ^ 2 * (√3)⁻¹ ^ 2 * 4 + (√3)⁻¹ ^ 2 * ry ^ 2 * 4 + (√3)⁻¹ ^ 2 * rz ^ 2 * 4 = 1 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₃
[192, 1]
[234, 12]
have hSphere₂ := congrArg (λ (x₀ : ℝ) => x₀ * 4 / 3) hSphere
case h.right r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz h3g0 : 0 ≤ 3 ⊢ rx ^ 2 * 3⁻¹ * 4 + 3⁻¹ * ry ^ 2 * 4 + 3⁻¹ * rz ^ 2 * 4 = 1
case h.right r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz h3g0 : 0 ≤ 3 hSphere₂ : (fun x₀ => x₀ * 4 / 3) (rx * rx + ry * ry + rz * rz) = (fun x₀ => x₀ * 4 / 3) (3 / 4) ⊢ rx ^ 2 * 3⁻¹ * 4 + 3⁻¹ * ry ^ 2 * 4 + 3⁻¹ * rz ^ 2 * 4 = 1
Please generate a tactic in lean4 to solve the state. STATE: case h.right r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz h3g0 : 0 ≤ 3 ⊢ rx ^ 2 * 3⁻¹ * 4 + 3⁻¹ * ry ^ 2 * 4 + 3⁻¹ * rz ^ 2 * 4 = 1 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₃
[192, 1]
[234, 12]
simp only [isUnit_iff_ne_zero, ne_eq, OfNat.ofNat_ne_zero, not_false_eq_true, IsUnit.div_mul_cancel, div_self] at hSphere₂
case h.right r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz h3g0 : 0 ≤ 3 hSphere₂ : (fun x₀ => x₀ * 4 / 3) (rx * rx + ry * ry + rz * rz) = (fun x₀ => x₀ * 4 / 3) (3 / 4) ⊢ rx ^ 2 * 3⁻¹ * 4 + 3⁻¹ * ry ^ 2 * 4 + 3⁻¹ * rz ^ 2 * 4 = 1
case h.right r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz h3g0 : 0 ≤ 3 hSphere₂ : (rx * rx + ry * ry + rz * rz) * 4 / 3 = 1 ⊢ rx ^ 2 * 3⁻¹ * 4 + 3⁻¹ * ry ^ 2 * 4 + 3⁻¹ * rz ^ 2 * 4 = 1
Please generate a tactic in lean4 to solve the state. STATE: case h.right r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz h3g0 : 0 ≤ 3 hSphere₂ : (fun x₀ => x₀ * 4 / 3) (rx * rx + ry * ry + rz * rz) = (fun x₀ => x₀ * 4 / 3) (3 / 4) ⊢ rx ^ 2 * 3⁻¹ * 4 + 3⁻¹ * ry ^ 2 * 4 + 3⁻¹ * rz ^ 2 * 4 = 1 TACTIC:
https://github.com/Nazgand/NazgandLean4.git
a6c5455a06d14c59786b1c23c2d20dada7598be6
NazgandLean4/quaternionLemma.lean
EqualSetsSoqqtstqm1₁AndSoqqtstqm1₃
[192, 1]
[234, 12]
rw [←hSphere₂]
case h.right r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz h3g0 : 0 ≤ 3 hSphere₂ : (rx * rx + ry * ry + rz * rz) * 4 / 3 = 1 ⊢ rx ^ 2 * 3⁻¹ * 4 + 3⁻¹ * ry ^ 2 * 4 + 3⁻¹ * rz ^ 2 * 4 = 1
case h.right r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz h3g0 : 0 ≤ 3 hSphere₂ : (rx * rx + ry * ry + rz * rz) * 4 / 3 = 1 ⊢ rx ^ 2 * 3⁻¹ * 4 + 3⁻¹ * ry ^ 2 * 4 + 3⁻¹ * rz ^ 2 * 4 = (rx * rx + ry * ry + rz * rz) * 4 / 3
Please generate a tactic in lean4 to solve the state. STATE: case h.right r x y z rx ry rz : ℝ hSphere : rx * rx + ry * ry + rz * rz = 3 / 4 hr : r = 2⁻¹ hx : x = rx hy : y = ry hz : z = rz h3g0 : 0 ≤ 3 hSphere₂ : (rx * rx + ry * ry + rz * rz) * 4 / 3 = 1 ⊢ rx ^ 2 * 3⁻¹ * 4 + 3⁻¹ * ry ^ 2 * 4 + 3⁻¹ * rz ^ 2 * 4 = 1 TACTIC: