---

Step * of Lemma cubical-pi-context-subset

∀[X,phi,A,B:Top].  (X, phi ⊢ ΠA B ~ X ⊢ ΠA B)
BY
{ ((UnivCD THENA Auto) THEN RepUR ``cubical-pi cubical-pi-family context-subset cube-context-adjoin`` 0 THEN Auto) }

---

Latex:

---

Latex:
\mforall{}[X,phi,A,B:Top].    (X,  phi  \mvdash{}  \mPi{}A  B  \msim{}  X  \mvdash{}  \mPi{}A  B)


By

---

Latex:
((UnivCD  THENA  Auto)
  THEN  RepUR  ``cubical-pi  cubical-pi-family  context-subset  cube-context-adjoin``  0
  THEN  Auto)

---

Home Index