---

Step * 2 1 1 1 of Lemma rcos-nonneg


1. x : {x:ℝ| x ∈ [-(π/2), π/2]} 
2. x < (r1/r(1000))
3. (r(-1)/r(1000)) < x
4. -((r1/r(1000))) = (r(-1)/r(1000))
⊢ -((r1/r(1000))) < x
BY
{ Auto }

---

Latex:

---

Latex:

1.  x  :  \{x:\mBbbR{}|  x  \mmember{}  [-(\mpi{}/2),  \mpi{}/2]\} 
2.  x  <  (r1/r(1000))
3.  (r(-1)/r(1000))  <  x
4.  -((r1/r(1000)))  =  (r(-1)/r(1000))
\mvdash{}  -((r1/r(1000)))  <  x


By

---

Latex:
Auto

---

Home Index