---

Step * of Lemma predicate_or_idempotent

∀[T:Type]. ∀[P:T ⟶ ℙ].  P ∨ P ⇐⇒ P
BY
{ (RepUR ``predicate_or predicate_equivalent`` 0 THEN Auto) }

---

Latex:

---

Latex:
\mforall{}[T:Type].  \mforall{}[P:T  {}\mrightarrow{}  \mBbbP{}].    P  \mvee{}  P  \mLeftarrow{}{}\mRightarrow{}  P


By

---

Latex:
(RepUR  ``predicate\_or  predicate\_equivalent``  0  THEN  Auto)

---

Home Index