Step
*
of Lemma
rmin-classical-cases
∀a,b:ℝ. (¬¬((rmin(a;b) = a) ∨ (rmin(a;b) = b)))
BY
{ (Auto THEN (D 0 THENA Auto)) }
1
1. a : ℝ
2. b : ℝ
3. ¬((rmin(a;b) = a) ∨ (rmin(a;b) = b))
⊢ False
Latex:
Latex:
\mforall{}a,b:\mBbbR{}. (\mneg{}\mneg{}((rmin(a;b) = a) \mvee{} (rmin(a;b) = b)))
By
Latex:
(Auto THEN (D 0 THENA Auto))
Home
Index