---

Step * of Lemma ravg_comm

∀[x,y:ℝ].  (ravg(x;y) = ravg(y;x))
BY
{ (Auto THEN Unfold `ravg` 0 THEN nRMul ⌜r(2)⌝ 0⋅ THEN Auto) }

---

Latex:

---

Latex:
\mforall{}[x,y:\mBbbR{}].    (ravg(x;y)  =  ravg(y;x))


By

---

Latex:
(Auto  THEN  Unfold  `ravg`  0  THEN  nRMul  \mkleeneopen{}r(2)\mkleeneclose{}  0\mcdot{}  THEN  Auto)

---

Home Index