---

Step * of Lemma le_antisymmetry_iff

∀[x,y:ℤ].  uiff(x = y ∈ ℤ;{(x ≤ y) ∧ (y ≤ x)})
BY
{ (Unfold `guard` 0 THEN Auto) }

---

Latex:

---

Latex:
\mforall{}[x,y:\mBbbZ{}].    uiff(x  =  y;\{(x  \mleq{}  y)  \mwedge{}  (y  \mleq{}  x)\})


By

---

Latex:
(Unfold  `guard`  0  THEN  Auto)

---

Home Index