---

Step * of Lemma qavg-eq-iff-5

No Annotations
∀[a,b,c:ℚ].  uiff(qavg(b;a) = qavg(a;c) ∈ ℚ;b = c ∈ ℚ)
BY
{ (Unfold `qavg` 0 THEN Auto) }

1
1. a : ℚ
2. b : ℚ
3. c : ℚ
4. (b + a/2) = (a + c/2) ∈ ℚ
⊢ b = c ∈ ℚ

---

Latex:

---

Latex:
No  Annotations
\mforall{}[a,b,c:\mBbbQ{}].    uiff(qavg(b;a)  =  qavg(a;c);b  =  c)


By

---

Latex:
(Unfold  `qavg`  0  THEN  Auto)

---

Home Index