Step
*
of Lemma
rmin_strict_lb
∀x,y,z:ℝ. ((x < z) ∨ (y < z)
⇐⇒ rmin(x;y) < z)
BY
{ (Auto
THEN SplitOrHyps
THEN Try ((RepeatFor 2 (ParallelLast) THEN RepUR ``rmin`` 0 THEN (RWO "imin_unfold" 0 THENA Auto) THEN AutoSplit))) }
1
1. x : ℝ
2. y : ℝ
3. z : ℝ
4. rmin(x;y) < z
⊢ (x < z) ∨ (y < z)
Latex:
Latex:
\mforall{}x,y,z:\mBbbR{}. ((x < z) \mvee{} (y < z) \mLeftarrow{}{}\mRightarrow{} rmin(x;y) < z)
By
Latex:
(Auto
THEN SplitOrHyps
THEN Try ((RepeatFor 2 (ParallelLast)
THEN RepUR ``rmin`` 0
THEN (RWO "imin\_unfold" 0 THENA Auto)
THEN AutoSplit)))
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