---

Step * of Lemma uimplies_functionality_wrt_uiff

∀[P1,P2,Q1,Q2:ℙ].  ({uiff(P1;P2)} ⇒ {uiff(Q1;Q2)} ⇒ {uiff(Q1 supposing P1;Q2 supposing P2)})
BY
{ (Unfold `guard` 0 THEN Auto) }

---

Latex:

---

Latex:
\mforall{}[P1,P2,Q1,Q2:\mBbbP{}].    (\{uiff(P1;P2)\}  {}\mRightarrow{}  \{uiff(Q1;Q2)\}  {}\mRightarrow{}  \{uiff(Q1  supposing  P1;Q2  supposing  P2)\})


By

---

Latex:
(Unfold  `guard`  0  THEN  Auto)

---

Home Index