---

Step * of Lemma rabs-rminus

∀[x:ℝ]. (|-(x)| = |x| ∈ ℝ)
BY
{ (Auto THEN EqTypeCD THEN Auto) }

1
1. x : ℝ
⊢ |-(x)| = |x| ∈ (ℕ+ ⟶ ℤ)

---

Latex:

---

Latex:
\mforall{}[x:\mBbbR{}].  (|-(x)|  =  |x|)


By

---

Latex:
(Auto  THEN  EqTypeCD  THEN  Auto)

---

Home Index