Step
*
of Lemma
rmin-i-member
∀I:Interval. ∀a,b:ℝ. ((a ∈ I)
⇒ (b ∈ I)
⇒ (rmin(a;b) ∈ I))
BY
{ ((D 0 THENA Auto) THEN D 1 THEN DProdsAndUnions THEN RepUR ``i-member`` 0 THEN Auto THEN EAuto 1) }
Latex:
Latex:
\mforall{}I:Interval. \mforall{}a,b:\mBbbR{}. ((a \mmember{} I) {}\mRightarrow{} (b \mmember{} I) {}\mRightarrow{} (rmin(a;b) \mmember{} I))
By
Latex:
((D 0 THENA Auto) THEN D 1 THEN DProdsAndUnions THEN RepUR ``i-member`` 0 THEN Auto THEN EAuto 1)
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