---

Step * of Lemma rmin3-rmax3-subinterval

∀I:Interval. ∀a,b,c:ℝ.  ((a ∈ I) ⇒ (b ∈ I) ⇒ (c ∈ I) ⇒ [rmin(a;rmin(b;c)), rmax(a;rmax(b;c))] ⊆ I )
BY
{ (Auto THEN BLemma `rcc-subinterval` THEN EAuto 2) }

---

Latex:

---

Latex:
\mforall{}I:Interval.  \mforall{}a,b,c:\mBbbR{}.
    ((a  \mmember{}  I)  {}\mRightarrow{}  (b  \mmember{}  I)  {}\mRightarrow{}  (c  \mmember{}  I)  {}\mRightarrow{}  [rmin(a;rmin(b;c)),  rmax(a;rmax(b;c))]  \msubseteq{}  I  )


By

---

Latex:
(Auto  THEN  BLemma  `rcc-subinterval`  THEN  EAuto  2)

---

Home Index